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Atlas Version 1.2 User Guide

1. 63 Contents Edit picks 7 2 2v Piha A a Ai 63 Edit amplitudes llle 64 Editing general Hypoinverse settings llle 64 Allow Hypoinverse edits lille RR Ih 65 Open the Hypoinverse Settings Editor liliis 65 Set files that Hypoinverse will use 2 0 0 00 BI 66 Set the command file 00 000 cee eee 66 Set the station file 2 0 0 0 20 000 66 Set the crustal model file oooooocoocccooooo o 67 Set weighting parameters 2 0 0 eae 67 Set initial conditions for Hypoinverse calculations llle 67 Use the station location of the earliest piCk oooooooooooooooooo 67 Use the initial time location and depth anaana 0 0 es 68 Set the trial depth 0 0 0 2 0 cece eee 68 Fix the initial depth ice ee iaa at ado o 68 Accept Hypoinverse setting changes 0 0 0c cece tee 68 Restore default Hypoinverse settings llle 68 Reset files to the default setup oooooocooooo tees 68 Event bulletins and comments llli 69 Create an HTML event bulletin 2 00000 eee 69 Create or edit an event comment 00 000 cece tee 70 E DR ata batts Sh ee pet Poh eh Ud Ot E 71 Creating and applying filters 0 eee 71 Adda filter group ac eee DATE HUE VERE Ua usc dg 72 Create a new filter group e rosse risi groetet nI e m n 72 Load an existing filter group iile I I 72
2. 5 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 5 Event Data 5 3 3 View Hypoinverse results You can view the Hypoinverse results window for the solution after each locate and at any time during a session gt To view results after each locate choose Tools gt Customize location Figure 5 1 on page 49 and click the Show Hypoiverse Results check box to toggle to show results MJ or to not show results E To view results at any time during a session right click the solution node to open the pop up menu and then choose View the Hypo Display Figure 5 9 on page 56 The solution must have been located during the current event session for this option to be available 5 3 4 View complete solution details gt Right click the solution node to open the pop up menu and then choose View Complete Solution Figure 5 9 on page 56 This will open a solution window showing location details and magnitudes 5 3 5 View a solution on a map You can view the origin of the event on a map see also Chapter 8 Maps for infor mation on refining solutions using map utilities To display the origin of the event use either of these methods Right click the solution node to open the pop up menu and then choose Locate Solution on a Map Figure 5 9 on page 56 Open and select the event and then click the Show map button a in the main toolbar A new map window will open with the view centred arou
3. 7 023114e 003 1 259593e 002 3 905999e 003 1 693529e 002 1 518937e 003 2 042215e 002 9 579908e 003 2 209426e 002 2 060824e 002 2 067742e 002 3 521951e 002 1 417054e 002 5 525585e 002 1 904586e 003 8 790202e 002 4 504146e 002 1 822970e 001 4 105864e 001 usStageNumber response list stage number ro ulStageKey unique database stage key PUE usSeedBlockette 43 4 1 SEED blockette equivalent 44 szName 43 4 4 Unique identifying name SELT S FLIGER chSeedType 43 4 5 type of stage A B C or D tob szInputUnits 43 4 6 input units description COUNTS szOutputUnits 43 4 7 output units description COUNTS rNormFactor 43 8 seed optional to normalize 1 000000 rNormFreq 43 9 seed optional With 43 8 Sol rInSamSec 47 5 input sampling rate 1000 000000 usDecimation 47 6 Sampling decimation factor ES usDecimationOffset 47 7 decimation offset 0 rDelayEstimate 47 8 stage delay time nominal 0 0 rDelayApplied 47 9 applied stage delay 0 0 rGainOrSensitivity 48 5 stage sensitivity or gain 1 000000 rGainFreq 48 6 frequency of stage gain 10 rFrequency meaning depends on NMX type 0 0 usType NMX response type 0 through 8 4 szDesign how filter was designed usNumTerms number of zeros or numerators 24356 usDenTerms number of poles or denominators 2x0 rtmLoadDate date loaded into the database Aug 03 2001 01 29AM pszDBComment database comment Coefficients as specified above 1 278289e 005 4 864359e 005 1 144121e 004 1 910125e 004 2 191873e
4. Table 8 6 Epicenter and Reference Epicenter data types Datatype Description of options Empty Select this option to display no information or to clear the entry of another data type Depth Displays the depth of the epicentre Magnitude Duration Displays the duration magnitude for the solution Local Peak Peak Displays the local peak to peak magnitude for the solu tion Preferred Displays the preferred magnitude for the solution Table 8 7 Epicenter and Reference Epicenter symbol options Option Description Center Color The fill colour for the origin circle will vary between two colours representing a minimum and a maximum value depending on the value of the data being displayed One piece of information per data settings group can be displayed with this symbol option Editable attributes Colour 1 14 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 8 Maps Table 8 7 Epicenter and Reference Epicenter symbol options Continued Option Description Error Color The fill colour for the error circle will vary between two colours representing a minimum and a maximum value depending on the value of the data being displayed One piece of information per data settings group can be displayed with this symbol option Editable attributes Colour Center Size The size of the origin circle varies as a function of the value of the piece of inform
5. Password Atlas will open a connection with the data source and attempt to gather data that meet the criteria If the data source is unavailable or if some of the database connect settings are incorrect a warning will be displayed Once the source has been added to the Catalogs panel it will appear under the Data Sources node as a Nanometrics data source Ep 2 3 4 Create event catalogs 2 3 4 1 Create an Earthworm catalog You can define Earthworm catalogs to contain either unlocated events or located events with specified characteristics An Earthworm unlocated event catalog will contain all unlocated events for the source 14 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 2 Setting Up A New Installation Earthworm located event catalogs can be defined on combinations of temporal epicentre depth and magnitude criteria these events are searched on the basis of their preferred solution 1 Right click the Earthworm data source node and then click New Catalog in the pop up menu Figure 2 8 Figure 2 8 Create an Earthworm catalog F atlas Seismic Data Analysis Tod 17 h 52m 35 2 In the Catalog dialog box select whether the catalog will list all unlocated events or located events that meet some criteria To list all unlocated events select Unlocated events in the Type panel gt To list located events i Select Located events in the Type panel ii S
6. ppp glenns 9 f tes ZZ Al events o ZA EW2days st ale al Right click the Earthworm catalog node and choose a destination data source for the copied events 4 1 2 6 Delete events from an Earthworm event catalog 1 Right click on the catalog node and then choose Delete all events 2 In the Confirm Delete All Events dialog box click Yes to permanently delete all events from the database that are listed in this catalog To retain the events click No 36 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 4 Data Sources and Catalogs 4 1 2 7 Delete an Earthworm event catalog gt Right click on the catalog node and then choose Remove Catalog in the pop up menu The catalog will be removed without prompting for confirmation 4 2 Nanometrics data servers A Nanometrics data server includes the data files generated by Nags including the channel trigger and event files and the DataServer connection utility Nanometrics data servers provide the Atlas client with access to trace data as received from seismic sensors a channel represents trace data for an individual sensor Nanometrics data servers can also provide access to picks and events detected automatically by Nags if Nags is configured to do so You can create and remove connections to the data source and view the data source connection properties You can create catalogs for channel trigger and event data and hide events an
7. Note The options on the map solutions toolbar Figure 8 13 and in the map 9 solutions pop up menu Figure 8 14 are the same as those provided in the Atlas main window These options are reviewed briefly in the sections below with references to additional information in the sections describing Atlas main window options Figure 8 13 Map solution toolbar so lalalala sh Ja 8 4 1 Open the map solution menu gt Right click on the solution to display the solution pop up menu Figure 8 14 Figure 8 14 Open the map solution menu A Lod TDI EL MCV lt gt Right click the solution marker to open opy Solution A 14 35 24 0920 the solution pop up menu View the Hypo Display Set As Prefered Solution Set As Reference Solution Edit Picks Edit Amplitudes View Complete Solution Highlight Solution Set Marker 8 4 2 Move the solution to a trial location Note You can drag the solution only if the current Hypoinverse settings for trial hypocenter are configured to Set initial conditions see Section 5 4 4 on page 64 You can move the solution to a trial location by dragging the current solution symbol for example e The new location will be used as a starting point for calculating the next solution Click and drag the solution to a new location 8 4 3 Move the epicentre marker You can move the epicentre marker 3 to a new location gt Right click on the map at the new location and
8. 58 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 5 Event Data 5 3 11 Rename a solution In an Earthworm database with Atlas extensions you can rename solutions Click on the highlighted solution node type in a new name and then press Enter to accept the changes To discard the changes do not press Enter Click on any other node in the solutions panel 5 3 12 Create or edit a solution comment You can add comments to solutions and edit existing comments 1 In the Solution toolbar click the edit solution button 3l illi and then type or edit comments in the event comment dialog box 2 To place the comment in memory click Ok The comment is not saved to the data base until the event is saved To close the dialog box without editing the com ment click Cancel 5 3 13 Delete a solution Note A preferred solution cannot be deleted until another solution is set as the preferred solution To delete a solution use either of these methods this will delete the solution from the event without prompting for confirmation Right click the solution node to open the pop up menu and then choose Remove Solution Figure 5 9 on page 56 Click the Delete currently active solution button Ll on the Solutions toolbar 5 4 Solution editing options Caution Editing an original solution will cause it to be recalculated before sav A ing and will overwrite the original solution To preserve the original solu
9. Displays settings for each station displayed on the map Epicenter Displays settings for the epicentre for the current active solution Reference epicenter Displays settings for the epicentre for the current reference solution The function buttons include Ok Accepts the changes and exits the dialog box Cancel Ignores all changes and returns to the map window Add Adds a new data settings group to the settings drop down list The group will be called New Settings and it will contain no data settings Copy Creates a new data settings group that is identical to the current active group Delete Deletes the current active settings group without prompting for confir mation 8 5 2 2 Open the seismic event data settings Choose View gt Data Settings to open the Seismic Event Display Settings dialog box Figure 8 18 Figure 8 18 Open the Seismic Event Display Settings dialog box Map for 2001 11 29 1 view 14389R5 2005 01 20 Atlas Version 1 2 User Guide 1 09 Chapter 8 Maps 8 5 2 3 Change a data settings group name 1 In the Settings drop down list choose the data settings group for which you want to change the name Type in a new name and then click Ok to apply the changes to the data settings group Click Ok to close the dialog box with saved changes to the name To discard the changes click Cancel Cancel will also discard any changes made t
10. Events for a specific time period In the Temporal panel use either the Start Time and End Time fields or the Most Recent time period field and drop down list The Start Time oldest event and End Time most recent event are in GMT time The Most Recent option will list all events that occurred in the defined time period For example to list all events in the last five days click on the checkbox beside Most Recent type 5 in the text box and choose days from the drop down list The list updates when refreshed and when Atlas is restarted Events for a specific location of the origin In the Epicenter panel use the four text boxes to enter cutoffs or ranges for latitude and longitude in degrees Vv Events of minimum maximum or ranges of depths for events In the Other panel select and type in the minimum and maximum depth in kilometres w Events of minimum maximum or ranges of magnitudes for events In the Other panel select and type in the minimum and maximum magnitudes w Events of some combined criteria of time period origin depth and magnitude Set the options as appropriate from those listed above 3 In the Catalog Name text box type in a name for the catalog to replace the Unnamed default This is the name of the catalog as it appears on the Catalogs panel 4 Click Ok to create the name of catalog located events catalog To discard the changes click Cancel Atlas will open a connection with th
11. SEED files and Nanometrics data servers Generate trace data packages events using data from Nanometrics data servers picks and analysis results e Access data from Earthworm V6 0 and 6 1 databases and Nanometrics data servers over any network or Internet connection e Save events from one database to another Import export SEED version 2 3 files View and pick events using the intuitive interface e Sort traces by first phase time or by channel name View multiple events simultaneously from several data sources Edit event and solution names Edit existing events create phase duration and amplitude picks create multiple solutions and manipulate trace data Correct for instrument response Do magnitude estimations based on corrected signal amplitude based on duration calculated using Hypoinverse Calculate event location solutions using Hypoinverse Edit the Hypoinverse phase input file e Add comments to solutions and events Usesimple and robust methods to create digital filters and apply them individually or as a group to trace data nstrument deconvolution nstrument simulation Trend removal Ground motion conversion e S plane and Z plane filters using either poles and zeroes or coefficients for the transfer function 14389R5 2005 01 20 Atlas Version 1 2 1 User Guide Chapter 1 Introduction e Butterworth filters Work with fully interactive maps that combine a geograp
12. Select the Poles amp Zeroes tab to access options for editing poles and zeroes Analog poles and zeroes filters are described using this transfer function M I s c F s gx 5 _ EQ 1 I s d j 0 where F s is evaluated at s 2f where fis the desired frequency in hertz 14389R5 Atlas Version 1 2 77 2005 01 20 User Guide Chapter 6 Filters Discrete poles and zeroes filters are described using this transfer function M I Ge c sp eee EQ 2 z dj j 0 J where z is evaluated on the unit circle Zeroes are the complex c of equations 1 and 2 while poles are the complex d of equations 1 and 2 Table 6 2 Poles and zeroes options for Basic filters Option Description Assume Conjugates Causes conjugate poles and zeroes to be added for every pole or zero for which the imaginary part is not 0 Complex Zeroes c Allows adding editing and deleting of the real and imaginary parts of each zero Complex Poles d Allows adding editing and deleting of the real and imaginary parts of each pole 6 2 1 2 2 Coefficient filters Select the Coefficients tab to access options to edit coefficient filters Discrete coefficient filters are described using this transfer function N y C im P 2 gt EQ 3 j D d j 0 where z is evaluated on the unit circle Analog coefficient filters are described using this transfer function N p Ce F s gx G2 EQ 4 Djs j
13. Start Time Date 1970r 1 m i ja Time 0 h 0 Im o s n ms vi End Time Date 2002 Yr 11 m 20 d Time 17jn 46 m ajs 990 ms Cancel 6 3 2 2 Edit instrument response for a data source This option allows you to edit all instrument response found in the data source from which the event was loaded 1 Open the Instrument Response window Figure 6 12 on page 85 a Right click on a trace from the channel for which instrument response is to be edited and then choose Instrument Response in the pop up menu b In the sub menu choose History for data source 2 In the Instrument Response for trace window right click on a node to view the options for Response history see Section 6 3 2 2 1 on page 87 Response see Section 6 3 2 2 2 on page 87 Filters see Section 6 3 2 2 3 on page 87 3 Edit the response using the options appropriate to your task For example to load an instrument response for the trace choose Load Response from the pop up menu Figure 6 14 and then browse for the response file to add 4 Click Save to save the changes to the response history To discard the changes click Close 8 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 6 Filters Figure 6 14 Load instrument response for a data source X Instrument Response for STN02 BHZ xil Response Histo Right click the Response History node and 3 STNO2 BH _NewResponse choose Load
14. The comment is not saved to the data base until the event is saved To close the dialog box without editing the com ment click Cancel Figure 5 18 Create or edit an event comment Event Create Bulletin Edit Comment Catalog Export to Y Files 9 Ga Daj Sort Traces By gt Atlas Version 1 2 7 14389R5 User Guide 2005 01 20 Filters Atlas provides robust methods for applying digital filters to trace data It is designed to make filtering a simple process making key information easily available and automat ing repetitious tasks This chapter contains procedures for working with filters Single filters and groups of filters can be created and saved for immediate or future use Filters or groups of filters can be applied to any trace or to all traces at once in an event The types of filters that can be created in Atlas include Basic S plane and Z plane using either poles and zeroes or coefficients for the transfer function Butterworth Instrument deconvolution IIR filters Instrument simulation Ground motion conversion 9 9 9 Trend removal 6 1 Creating and applying filters When an event is loaded all traces will start unfiltered Each trace has an independent list of applied filters initially this list is empty accessible from the Applied filters panel Figure 6 1 You can create filters in the saved filter groups panel and then apply the filters indi vidually or as a group t
15. provides reference information Appendix A Hypoinverse information on how to install Hypoinverse and an overview of how Atlas uses that application Additional information is provided in the separate Atlas Installation and Maintenance Guide Appendix B Earthworm an overview of the relationship between Atlas and Earthworm Appendix C Response File Format an overview of Nanometrics response file format and an example of a response file Appendix D Troubleshooting answers to some questions that may arise as you use Atlas 14389R5 2005 01 20 Atlas Version 1 2 3 User Guide Chapter 1 Introduction A Atlas Version 1 2 14389R5 User Guide 2005 01 20 Setting Up A New Installation This chapter contains basic interface navigation information an overview of Atlas data storage and initial setup instructions for a new installation of Atlas For information on installing Atlas and setting up Hypoinverse and for information about version compat ibility for Atlas and related software see the separate Atlas Installation and Mainte nance Guide 2 1 Navigating in Atlas This section provides a summary of conventions for navigating within Atlas a brief overview of the main menu options and an overview of the Atlas option settings 2 1 1 User interface conventions Table 2 1 Conventions for keyboard and mouse actions Action Description Click Tap the left mo
16. time period For example to list all triggers for the last five days click on the checkbox beside Most Recent type 5 in the text box and choose days from the drop down list gt Triggers for a specific channel and time period Select the channel from the Channels drop down list 4 Inthe Catalog Name text box type in a name for the catalog This is the name of the catalog as it appears on the Catalogs panel 5 Click Ok to add the trigger catalog To discard the changes click Cancel Atlas will open a connection with the data source and attempt to gather data that meet the criteria If the data source is unavailable or if some of the database connect settings are incorrect a warning will be displayed 4 2 2 3 2 Modify a trigger catalog 1 Right click on the trigger catalog and then choose Modify Catalog in the pop up menu 2 Edit the options for the time period and channel as required to reflect the new selection criteria for the catalog See Section 4 2 2 3 1 Create a trigger catalog for a description of the options 3 Click Ok to save the changes to the catalog To discard the changes click Cancel 4 2 2 8 8 Update a trigger catalog gt Right click on the catalog node and then choose Refresh in the pop up menu New triggers and existing modified triggers that meet the catalog criteria and are not on a hidden list will be added to the catalog 4 2 2 3 4 Hide triggers You can hide single triggers an
17. value Time is in GMT gt Toggle a pick to be active or inactive Click in the Use Pick checkbox An active pick weight of 100 shows a check mark an inactive pick weight of 0 shows an empty field gt Delete a pick Click in any field for the pick and then click Delete Pick 3 Click OK to accept the pick edits To discard the changes click Cancel 14389R5 Atlas Version 1 2 63 2005 01 20 User Guide Chapter 5 Event Data 5 4 3 2 2 Edit amplitudes In the Amplitude Editor dialog box Figure 5 13 you can add edit and delete ampli tude picks for the event and toggle picks on weight of 100 or off weight of 0 All amplitude picks for the solution are listed in the table Figure 5 13 Amplitude Editor dialog box b Amplitude Editor x Netwi Locatio 1 Amp2 STN01 BHZ ON 2002 07 02 16 39 43 5500 GMT 820 0 2002 07 02 16 38 46 2500 GMT 2738 0 STN02 BHZ ON E dn 2002 07 02 16 39 45 2503 GMT 3119 0 2002 07 02 16 39 47 6170 GMT 2736 0 wi tT Wr OK Cancel New Amplitude Delete Amplitude 1 Open the Amplitude Editor dialog box gt Right click on the solution name in the Solutions panel Figure 5 9 on page 56 and then choose Edit Amplitudes Add edit activate or deactivate and delete amplitude picks Adda pick Click New Amplitude and then click in a text field to type in the appropriate value for the field Time is in GMT Edita pic
18. 0 J where F s is evaluated at s 2f where f is the desired frequency in hertz 7 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 6 Filters Table 6 3 Coefficients options for Basic filters Option Description Numerator Symmetry Numerator coefficient symmetry to use where None No symmetry Even Creates a filter with 2N coefficients that is symmetric around the middle For example a list of 1 2 4 would cre ate a filter with a list of 1 2 4 4 2 1 with no symmetry Odd Creates a filter with 2N 1 coefficients that is sym metric around the middle For example a list of 1 2 4 would create a filter with a list of 1 2 4 2 1 with no symmetry Numerator Coefficients C Allows adding editing and deleting of filter numerator coefficients C Denominator Coefficients 6 2 1 2 3 Discrete Filters D Allows adding editing and deleting of filter denominator coefficients D They are not affected by the symmetry settings gt Select the Discrete tab to access options to edit discrete filters Table 6 4 Discrete filter additional settings Discrete filter setting Description Filter offset The filter centre in samples from the right edge This is the coefficient number that is applied at Time 0 with higher coefficients applied to previous samples while lower coefficients are applied to future samples A causal filter has a value of 0 Pa
19. 0 20 rs 49 5 2 Load a recently accessed event es 50 5 3 Open nodes in the catalog tree eh 50 5 4 Load a channel from the catalog tree liiis 51 5 5 Enter Time Period for Channel dialog DOX o ocoooccoccccnoc 51 5 6 Export to Y FIGS 34 4 kind oe alee ala ES 52 5 7 Solution toolbar zi cure REDE RE a Ree Ree Ga dale EA 55 vii Figures 5 6 Solutions panel muii ponds pa a shad waded a Say odd den 55 5 9 Open the Solution pop up menu ooo 56 5 10 Select a different solution liliis 58 5 11 Event window trace panels and toolbars 00 60 5 12 Pick Editor dialog DOX ye e ea a Enean EA E rr 63 5 13 Amplitude Editor dialog bOX nanna auaa aaan 64 5 14 Hypoinverse Settings Editor 0 llli 65 5 15 HypoLocator File Editor 0000 cbc eee RR am 66 5 16 Create or view an event bulletin lille 69 5 17 Creating an Event Bulletin dialog box 0 2 eee 69 5 18 Create or edit an event Comment o 70 6 1 Eilt rs panel 22 22 vw poe ve edet db aiii 72 6 2 Filter group mernu ess eso tees Weed tees Oh qute dta ia wha E qug doe VOR 73 6 3 Select Filter dialog box liiis RR n 73 6 4 Applied filter group MENU 74 6 5 Basic Filter dialog box oooocoooccooooo eR Rh 76 6 6 Filter options dialog box 20 06 RR e eee 81 6 7 Butterworth Filter dialog box 0 0 RR III 81 6 8 Inverse Instrument Response filter dialog box llle 82 6
20. 2 Epicenter and Reference Epicenter display settings Epicentre data display settings are used for the active solution reference epicentre set tings are used for the reference solution The options are the same in both the Epicenter and Reference Epicenter tabbed panels Epicentres are displayed on a map using two circles Theorigin of the event for the current active solution is represented by a dark cir cle that remains the same size at any map zoom The solution error is represented by a circle usually red around the epicentre that covers the same geographical area at any map zoom The reference solution is displayed using a different set of circles on the map 14389R5 2005 01 20 Atlas Version 1 2 User Guide 1 1 3 Chapter 8 Maps Epicenter and Reference Epicenter data display settings include general options Table 8 5 options to select specific data types to display Table 8 6 and settings for the selected data types Table 8 7 Table 8 5 General epicentre display options Option Description Epicenter gt Click this option to select whether the origin circle is displayed HJ or not displayed 7 on the map Epicenter Error Click this option to select whether the error circle is displayed v or not displayed J on the map Figure 8 21 Epicenter data settings xl Q Active Solution O Depth Epicenter Magnitude Duration Local Peak Peak Preferred Ok Cancel
21. Data Settings Projection Identity None v Longitude Min jis0 e we v max fiso jefe y Latitude min oo e s max fo y v Project Image Maps ICE 8 3 7 Print a map 1 In the Map window menu bar choose File gt Print Map Figure 8 12 2 In the Print Map Options dialog box select options to print one or all of these pan els map legend and depth slider 3 Click Ok to open the print dialog box and then print the map Figure 8 12 Print a map Load Map File Map File Settings Print Map Options xj Print Map Print map vi Print Legend li Print Depth Slider vj Ok Cancel 8 3 8 Close a map window gt Toclose the map window either click the close icon X in the upper right corner of the Map window or choose File Exit 8 4 Editing mapped solutions The map window provides options to edit mapped solutions For example you can edit picks for a station or channel move the epicentre marker set trial depths and fix depths These options are available through map objects pop up menus and the solu tion toolbar Directly manipulate map objects such as the depth slider or epicentre marker Use options in a pop up menu associated with a map object such as the epicentre marker solution menu or a station symbol station menu Use options in the map solution toolbar 1 02 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 8 Maps
22. Database where the locked events are located b Type in the name of the computer that locked the events 3 Click OK to unlock the events Figure 4 3 Unlock Database Events dialog box Unlock Database Events xj Database test2 y Computer name HAL OK Cancel 4 1 14 Remove an Earthworm database connection Note Removing a data source connection does not delete the information in the data source just the connection to the information 1 Right click on the Earthworm database node and then click Remove Source in the pop up menu 2 In the Confirm Delete Source dialog box click Yes to delete the source connec tion To retain the data source connection click No 4 1 2 14389R5 Earthworm catalog options Earthworm database catalogs can be defined to contain either unlocated events or located events with a range of characteristics An Earthworm unlocated event catalog will contain all unlocated events for the source Earthworm located event catalogs can be defined on combinations of temporal epicentre depth and magnitude criteria These events are searched on the basis of their preferred solution You can create update modify and remove Earthworm event catalogs You can delete events from a catalog and copy events to another data source 2005 01 20 Atlas Version 1 2 User Guide 33 Chapter 4 Data Sources and Catalogs 4 1 2 1 Create an Earthworm Unlocated events catalog 1 Right click the
23. Earthworm data source node and then choose New Catalog in the pop up menu Figure 4 4 Figure 4 4 Create a new Earthworm catalog Data Sources py glenns Right click the Earthworm data source node and choose New Catalog to open the Catalog dialog box 2 To list all unlocated events choose Unlocated events in the Type panel Figure 4 5 Figure 4 5 Catalog dialog box to create Earthworm catalogs 3 In the Catalog Name text box type in a name for the catalog to replace the Unnamed default This is the name of the catalog as it appears on the Catalogs panel 4 Click Ok to create the name of catalog unlocated events catalog To discard the changes click Cancel 34 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 4 Data Sources and Catalogs Atlas will open a connection with the data source and attempt to gather data that meet the criteria If the data source is unavailable or if some of the database connect settings are incorrect a warning will be displayed 4 1 2 2 Create an Earthworm Located events catalog 1 Right click on the Earthworm database node and then choose New Catalog in the pop up menu Figure 4 4 on page 34 2 To list located events a Choose Located events in the Type panel b Set the criteria for events to be listed using the options in the Temporal Epi center and Other panels Figure 4 5 All located events Leave all options unselected
24. Event window Figure 3 6 Solutions panel for an event atlas Seismic Data Analysis Tool 2001 11 29 14 35 25 SONATE Q Ca Event 2001 11 29 14 35 25 Mag 0 0 Solutions 9 IM p 14 35 25 0360 preferred name 14 35 25 0360 date 2001 11 28 time 14 35 25 0360 GMT location 37 5965 N 118 7903 W depth 6 62 km magnitude y 14 35 24 0920 name 14 35 25 0360 date 2001 11 29 time 14 35 25 0360 GMT location 37 5965 N 118 7903 W depth 6 62 km magnitude By default all picks will have a weight of 100 To disable a pick right click and choose Disable pick from the pop up menu 3 5 Locate solutions Atlas uses Hypoinverse a location program developed by the United States Geological Survey USGS If you have at least four picks and your Hypoinverse configuration files are complete you can locate the solution Click the Locate solutions button E on the Atlas window toolbar The HypoLocator Input Editor window will open providing the option to edit the initial conditions before Hypoinverse runs There are fields for date time latitude longitude and depth as well as a button to set the depth to be fixed If the fields are grey they are set to Hypoinverse default values and are not editable Clicking Ok whether or not you have edited the input file will open the Hypoinverse results window Figure 3 7 14389R5 2005 01 20 Atlas Version 1 2 User Guide 23 Chapter 3 A Quick Tour of Atlas
25. Figure 5 1 2 In the Before event trigger and After event trigger fields type in the number of seconds of extra trace data to load Figure 5 1 Open Customize options Customize x D3 display D events D filters DB location DB directories 14389R5 2005 01 20 Atlas Version 1 2 User Guide 49 Chapter 5 Event Data 5 1 2 Load an existing event You can load events with either the File menu or a catalog 5 1 2 1 Load an existing event using the File menu In the File menu choose the event name in the list of recently accessed events Figure 5 2 Figure 5 2 Load a recently accessed event atlas Seismic Data Analysis Too HZ S Save Save As Save All Close 2002 06 28 12 59 37 Dur 19s 2002 06 13 14 34 09 Mag ooi 2002 06 06 14 22 30 Dur 17s Exit 5 1 2 2 Load an existing event using a catalog 1 Click to open nodes in the catalog tree to see the event you want to use Figure 5 3 Data Sources data source event catalog 2 Double click on the event name or right click on the event name and select Open Event from the pop up menu Figure 5 3 Open nodes in the catalog tree atlas Seismic Data Analysis Tool Jada Catalogs Fitters 9 F Data Sources ppp glenns o testa Diseed_filesisample seed t a ER a Bn P lt gt Click the key icons to toggle the tree nodes to be open or YS closed for example to see t
26. Hypoinverse Settings Editor You can access the Hypoinverse Settings Editor either through location options or dur ing a locate if Allow Hypoinverse Edits is selected in location options gt Open the location options Tools gt Customize location Figure 5 1 on page 49 and then click Edit Hypoinverse Settings gt If Allow Hypoinverse Edits is selected in location options then locating a solution will open the HypoLocator File Editor Figure 5 15 with the option to Edit Hypo Settings 14389R5 Atlas Version 1 2 65 2005 01 20 User Guide Chapter 5 Event Data Figure 5 15 HypoLocator File Editor HypoLocator File Editor x Solution 00 00 00 0000 Initial Conditions Date 2002 07 02 Latitude 48 en y Time 16 39 41 55 Longitude 77 w v Depth km 7 0 Fix Depth Hypoinverse will use default values iffield is uneditable Edit Files Edit HypoSettings Edit Input File Cancel C Don t show this panel again 5 4 4 3 Set files that Hypoinverse will use Options in the Hypoinverse File Chooser panel allow you to set which command sta tion and crustal model files Hypoinverse will use 5 4 4 3 1 Setthe command file The command file contains all the commands that allow Hypoinverse to run and deter mines how several calculations are carried out Changing the command file requires that you also set up the rest of Hypoinverse In addition any other changes m
27. Instrument Response and then choose a specific NC MCM ARE Add traces with triggers from gt P Instrument Response JUA Li 3 Delete trace Add all traces from b 1 P For Trace ID usu Display Trace Information Instrument Response History in wu Spectra 2 In the Instrument Response for trace window right click on a node to view the options Response node options see Section 6 3 2 2 2 on page 87 Filter node options see Section 6 3 2 2 3 on page 87 14389R5 Atlas Version 1 2 85 2005 01 20 User Guide Chapter 6 Filters 3 Edit the response using the options appropriate to your task For example to edit the time period for acquiring instrument response for the trace choose Properties from the pop up menu edit the time period properties and click OK to save the changes Figure 6 13 4 Click Save to save the changes to the response To discard the changes click Close Figure 6 13 Edit instrument response for a trace V Instrument Response for STN02 BHZ from 1970 01 01 to 2002115208 xil 9 E STN02 BHZ from 4970 01 01 t9 2002 11 20 lt gt Right click the Response node and then 6 1 Combined New Filter choose Properties to edit the instrument e 1 continuove Properties h response for the trace 9 DiscRETE FILTER p e E DISCRETE FILTER x
28. Pick Residual s E ipistance From Marker 6 18 km Lat 37 5334 Long 118 7720 8 1 2 Map panel The Map panel displays all currently loaded maps and allows interaction with stations and solutions For example you can move the centre of the view of a map zoom the view in or out and show detailed information about map components such as stations traces and the solution at the epicentre marker 94 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 8 Maps 8 1 3 Depth slider panel The Depth slider panel shows information about the depth of the solution The depth slider shows the depth of the last solution dark line the depth of the reference solution grey line and the extent of the uncertainty pink region The Depth field shows the exact depth indicated on the slider Zoom in zoom out and reset zoom buttons allow you to change the scale of the slider The Fix Depth button allows you to set the depth to be fixed in subsequent Hypoinverse runs 8 1 4 Summary panel The Summary panel shows more detailed information about selected map components For example when the mouse pointer is placed over a station information about that station appears in the Summary panel The information displayed is subject to options you have defined in Data Settings with the selected options shown in the Legend panel For example if there are no data settings for the station just the station name is shown If the data setti
29. Response filter on page 82 Section 6 2 4 Instrument Simulation filter on page 82 and Section 6 1 Creating and applying filters on page 71 8 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Power Spectra Atlas provides methods for calculating and plotting spectra for any trace or trace seg ment Spectra can be plotted on multiple graphs or superimposed on a single graph This chapter contains an overview of how power spectra are calculated and procedures for working with power spectra utilities 7 1 Power spectrum calculation Power spectrum is calculated using a multi window technique The trace is divided into smaller windows with 50 overlap A data window is then applied to the segments to smooth results The power spectrum is then calculated and summed over all segments Smaller window sizes reduce noise at the cost of resolution 7 1 1 Data windows Four data window options have been implemented None Selects a box data window Hanning w j cos 2m N 1 FEN i 5 1 Parzen WEES pre 1 5 N 1 2 2 j 50 1 Welch w p cce nN D 4 See page 442 Numerical Recipes in C William H Press and Co Press Syndicate of the University of Cambridge 1988 14389R5 Atlas Version 1 2 89 2005 01 20 User Guide Chapter 7 Power Spectra 7 2 Power spectral density Power spectral density is displayed on a log log graph with spectral density on the ver tical axis and
30. Used Pick Residual Empty S Phase Duration Magnitude Local Peak Peak Magnitude Reference Solution Ok Cancel Ok Cancel 8 5 2 4 1 Station display settings Station data display settings include general options Table 8 2 options to select spe cific data types to display Table 8 3 and settings for the selected data types Table 8 4 Table 8 2 Station general display options Option Description Station Click this option to select whether station symbols are displayed v or not displayed 7 on the map Show Names Click this option to select whether station names are displayed v or not displayed J on the map Size Use the size slider to change the size of the station symbols displayed on the map Station data types can be Empty no data type is selected or not empty data is either an Active or a Reference solution data type Data types and options are the same for both Active and Reference solutions Table 8 3 Station data types Data type Description of options Empty Select this option to display no information or to clear the entry of another data type 14389R5 Atlas Version 1 2 1 1 1 2005 01 20 User Guide Chapter 8 Maps Table 8 3 Station data types Continued Data type Description of options Trace Data Shows whether trace data are available in the current event for the station A
31. and 0 as well as specifying the cosine taper between time residual and distance See Hypoinverse documentation for details Distance Weights Hypoinverse applies weights based on how far away a station is from the epicentre Edit values in the four numeric fields to set parameters that determine the distance over which the weight is 100 and 0 as well as specify ing the cosine taper between distance and time residual See Hypoinverse docu mentation for details 5 4 4 5 Set initial conditions for Hypoinverse calculations You can set initial conditions for Hypoinverse calculations in the Hypoinverse Settings Editor see Section 5 4 4 2 5 4 4 5 1 Use the station location of the earliest pick gt To set Hypoinverse to use the station location of the earliest pick as the starting location select Use Default Initial Conditions in the Trial Hypocenter Settings sec tion The initial time is 2 seconds before the time of the earliest pick 14389R5 Atlas Version 1 2 67 2005 01 20 User Guide Chapter 5 Event Data 5 4 4 5 2 Use the initial time location and depth To set Hypoinverse to use the initial time location and depth from the summary line of the Hypoinverse input file select Set Initial Conditions in the Trial Hypo center Settings section Atlas will calculate the default values as if the Use Default Initial Conditions button were selected but you will have the option to edit these initial conditions be
32. by edited at will The following commands should be edited with care H71 tells Hypoinverse the format of the input and output files The arguments should be either of 1 1 3o0r1 3 3 only The middle argument tells Hypoinverse to use the initial origin in the header line 3 or not 1 STA tells Hypoinverse what stations to consider Atlas constructs the station file AtlasStations hinv with default parameters from the station information in memory If the location of the stations is not in memory the station will not be written to AtlasStations hinv and Hypoinverse will not be able to use any information from that station You may construct your own station file and have the STA command point to it instead Be sure to use the full path to the file or the relative path from the user directory As an alternative you may edit the file UserStations hinv as a permanent station file If this file is not found Atlas will create it the first time Hypoinverse is run and subsequently will be used in the creation of AtlasStations hinv which is recreated each time Hypoinverse is run This route has the advantage of making data from outside your network useable but still be able to fully define station information from your net work hypoinverse AtlasCrustalModel hyp directs Hypoinverse to the command file listed This command file defines a default crustal model based on a simplified model from the Northern California Seismic Network
33. clearing the hidden list gt Right click on the Nanometrics data server node and then choose Clear hidden list in the pop up menu Nanometrics event trigger and channel data that were moved to the hidden list by any method will be moved back to the appropriate Nanometrics catalogs 4 3 SEED files SEED file data can be imported and exported over a local network connection You can create and remove connections to existing SEED files create a new SEED file and view the connection properties of SEED files Within a SEED data source you can cre ate event catalogs 4 3 1 SEED file data source options This section contains procedures for working with SEED file data sources 4 3 1 1 Create a connection to an existing SEED file 1 Right click on the Data Sources node in the Catalogs panel and then choose New Source in the pop up menu see Figure 4 1 on page 32 2 Inthe Select Data Source dialog box click the SEED tab Figure 4 9 Figure 4 9 Create a connection to a SEED file Select Data Source x SEED File Name Browse pata 44 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 4 Data Sources and Catalogs 3 Type in the path and file name of the SEED file or click the Browse button to search the file system 4 Click Ok to add the SEED file data source to the Catalogs panel tree Atlas will open a connection with the data source and attempt to gather data that meet the criteria If
34. data source and attempt to gather data that meet the criteria If the data source is unavailable or if some of the database connect settings are incorrect a warning will be displayed 4 2 2 2 2 Update a Nanometrics event catalog gt Right click on the Nanometrics event catalog and then click Refresh in the pop up menu New events and existing modified events that meet the catalog criteria and are not cur rently on the hidden list will be added to the catalog 4 2 2 2 3 Modify a Nanometrics event catalog 1 Right click on the Nanometrics event catalog and then choose Modify Catalog in the pop up menu 2 Edit the options for the time period and amplitude as required to reflect the new selection criteria for the catalog gt All events for any time period and all amplitudes Leave all options unselected Events for a time period Use either the Start Time and End Time fields or the Most Recent time period field and drop down list The Start Time oldest event and End Time most recent event options are in GMT time The Most Recent option will list all events that occurred in the defined time period For example to list all events in the last five days click on the checkbox beside Most Recent type 5 in the text box and choose days from the drop down list gt Events of a minimum amplitude for a defined time period Type the limit value in the Minimum Amplitude field 3 Click Ok to save the changes to the catalo
35. frequency in hertz on the horizontal axis Spectral density is in units of 2 Hz where g is the units of the trace Figure 7 1 Power spectra plot window y Spectra 1 xj Spectra 1 1E7 1000000 100000 10000 1000 Traces SWR V 100 Power Spectral Density 10 0 1 1 10 100 Frequency Hertz 7 3 Power spectra plotting options This section contains procedures for plotting power spectra 7 3 1 Plot a spectrum 1 Select a region of a trace for plotting the spectrum If no region is selected the entire trace will be used a Click on the mark tool Win the trace tools toolbar b Shift click on the trace to place the starting marker and then Shift click on the trace to place the ending marker for the spectrum region The marked red region denotes the region for which power spectrum will be calculated To resize the marked region either drag its end markers or Shift click on the trace at the position for the new end marker 2 Right click on the trace and choose Spectra from the pop up menu and then choose a spectra plot window to display the results Figure 7 2 If there is no plot window currently open you have the option to open the results in a new window 9 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 7 Power Spectra e Ifa plot window is open you have the option to open the new graph in a new window or to add the new power spectrum to an existing graph Figure 7 2 Op
36. large P pick residual e m m nomd This quick tour has provided an overview of setting up a database and catalog structure to load and store event data for editing locating and saving events and for refining solutions For more information on working with event data and procedures for using features such as filters event bulletins and maps see the chapters in Part 2 Working with Atlas 2 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Working with Atlas Data Sources and Catalogs Event Data Filters Power Spectra Maps g Data Sources and Catalogs Atlas can read events from three types of data source Earthworm compatible data bases Nanometrics data servers and SEED files Catalogs are necessary for listing events in a data source and provide criteria on which data are sorted into categories See also Chapter 2 Setting Up A New Installation for an overview of Atlas data storage You can create and remove connections to data sources as needed view data source connection properties and create catalogs for working with various types of event data This chapter contains procedures for working with data sources and catalogs Note Before you can save event data from a Nanometrics data source you need to have a connection to a writeable data source either an Earth worm database with Atlas extensions or a SEED file 4 1 Earthworm compatible databases Earthworm compatible databases provide t
37. not of current interest can be moved to catalog hidden lists 4 2 2 1 Channel catalog options Channel catalogs display a list of available channels of trace data You can create mod ify and delete channel catalogs 3 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 4 Data Sources and Catalogs 4 2 2 1 1 Create a channel catalog 1 Right click on the Nanometrics data server node and then choose New Catalog in the pop up menu Figure 4 8 Figure 4 8 Create a catalog for a Nanometrics data source atlas Seismic Data Analysis Tool 5 A Catalogs Filters 0 qa Data Sources e glenn lt gt Right click the Nanometrics data source node and click Me testa New Catalog New Catalog to open the Catalog dialog box E Disee Show hidden events amp triggers 3 Disee Properties Remove Source In the Channels Shown text box specify which channels will be shown in this cat alog The text box should have three characters based on the channel names requested using as a wildcard For example to get all vertical channels use Z assuming that the vertical channel names end with Z If the text box contains fewer than three letters Atlas assumes that the ending letters are asterisks For example if the text is just H then Atlas reads this as H This feature is not case sensitive In the Instruments drop down lists specify which channels to display b
38. that data is decompressed into 32 bit binary integers You can export events into Y files 1 Ensure that the event you want to use is open and selected on the Event desktop 2 Inthe Event menu choose Export to Y Files type or browse for the path to save the Y files for the event and then click Export to export the event Figure 5 6 Export to Y Files lt a 2 Edit Comment Catalog Export to Y Files 9 a Da Sort Traces By gt 5 1 6 Load trigger data in a new event 1 Click to open nodes in the catalog tree to see the trigger you want to use Figure 5 3 on page 50 Data Sources gt Nanometrics data source gt trigger catalog 2 Open a trigger by either of these methods Right click on the trigger name and choose Open in new event gt Click anywhere on the Event desktop to deselect all open events and then dou ble click on the trigger name Atlas will attempt to load the trace data from the channel Triggers detected within this time period will be loaded in a new event with a pick at the start of the anomaly If some or all of the data are unavailable the trace panel may be partially or entirely blank 5 1 7 Add trigger data to an existing event You can add all triggers from a source and add selected trigger data 52 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 5 Event Data 5 1 7 1 Add all triggers from a source gt Right click on the trace and in the pop up m
39. the data source is unavailable or if some of the database connect settings are incorrect a dialog box will open providing the option to create anew SEED source 4 3 1 2 Create a new SEED file 1 Right click on the Databases node in the Catalogs panel and then choose New Source in the pop up menu see Figure 4 1 on page 32 2 In the Select Database dialog box click the SEED tab and type the new file name Figure 4 9 3 Click OK 4 In the Create New Seed File dialog box click Yes to create the new SEED file The new SEED file will appear under the Data Sources node No event has been added to the file at this point and the SEED file will not be visible in the computer file system until an event has been added To add events to the file and to make the file visible in the computer file system copy events from an existing data source to the new SEED file from within Atlas See for example Section 4 1 2 5 Copy events from an Earthworm event cata log on page 36 4 3 1 3 Remove a SEED file connection 1 Right click on the SEED file node and then choose Remove Source in the pop up menu 2 In the Confirm Delete Source dialog box click Yes to delete the connection to the SEED file To retain the connection click No This just removes the Atlas connection to the SEED file it does not remove the SEED file from the file system 4 3 2 SEED file catalog options SEED file catalogs can be defined to contain e
40. the default world map is displayed Subsequent opening of a map window will load the maps used during the last map window session for any event You can load maps of various file formats and remove maps Once a map is loaded you can modify various data and display settings see Section 8 5 Customising map and event dis plays on page 106 Note Maps can use a large amount of memory depending on their complexity also each map window loads a separate instance of each map If the computer is running out of memory remove some maps or close some map windows 8 2 1 Supported map file formats Atlas supports the following file formats for maps ArcInfo file extension E00 ESRI shape files file extension SHP DTED Digital Terrain Elevation Data file extensions DTO DT1 DT5 Raster files JPEG and GIF files extensions JPG GIF 8 2 2 Load a new map Note When more than one map is displayed the first map loaded will be drawn first and any additional maps loaded will be drawn over top You can change the order of maps by dragging them in the Map File Settings win dow see Section 8 5 1 2 on page 107 You can load a new map from the file menu and from the file settings window If the map being loaded is a raster file a JPG or GIF extension it may need to be located geographically see Section 8 2 3 8 2 2 1 Load a map using the File menu 1 In the map window File menu choose Load Map F
41. the solution depth and error At the bottom right is a legend that explains what each symbol means At the bottom left is a summary of all the data shown on the map about the station or solution that is under the mouse pointer Navigating the map is very similar to navigating traces To move the centre of the map click and drag the map To zoom in or out right click and drag up or down on the map The visual settings are configurable The first thing we ll want to do is to display the P pick residuals using circles around stations Select View from the menu and then select Data Settings Click on the Add button to create a new setting Then click on the top left Empty button Figure 3 10 Figure 3 10 Seismic Event Display Settings dialog box Map for 2001 11 29 1 ew Seismic Event Display Settings x Settings This will open the Choose data to display dialog box showing a tree containing options for the type of data to display on a map Select Active Solution then P Phase and then Pick Residual Figure 3 11 Click the Ok button 26 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 3 A Quick Tour of Atlas Figure 3 11 Choose data to display dialog box 3 Choose data to display Md Q Data Empty Q Active Solution Trace Data Q P Phase Pick Available Pick Weight Code Arrival Weight Used 8 Phase Duration Magnitude Local Peak Peak Magnitude Reference Solution In
42. to customise various aspects of Atlas Display Set the location of sub panels in the main Atlas win dow the amount of memory to use to cache trace drawings and which trace data point information to display in the status bar Events Select the quantity of extra trace data to obtain when loading a trigger or an event Filters When generating FIR filters that simulate S plane fil ters select the maximum number of coefficients to use FIRcut off of peak and the padding algorithm Location Show Hypoinverse results allow Hypoinverse edits and access the Hypoinverse Settings Editor window Directories set the default directories to save event bulletins and Y Files Unlock Events Unlock an event for editing an event may be locked if a session is shut down abnormally or ifthe database is shut down while Atlas is running Table 2 9 Help menu options Option Function Atlas Help Launch an electronic copy of this guide About Atlas View the version information about the copy of Atlas that is installed Figure 2 3 Atlas Options dialog box Li xi Options D display D events D filters D location D directories 2 2 About Atlas data storage This section gives an overview of Atlas data storage elements data sources and cata logs See Section 2 3 Set up a new installation of Atlas on page 12 for basic proce dures and Chapter 4 Data Sources and Catalogs for detail
43. will show the progress of the copy function 3 When the events have all been copied to the destination data source click OK 4 3 2 6 Delete a SEED event catalog gt Right click on the catalog node and then choose Delete Catalog in the pop up menu The catalog will be removed without prompting for confirmation 14389R5 Atlas Version 1 2 A7 2005 01 20 User Guide Chapter 4 Data Sources and Catalogs 4 Atlas Version 1 2 14389R5 User Guide 2005 01 20 5 1 Data ter o Event Data g Atlas can be used to load save and copy packages of seismic data events locate and edit solutions and annotate events Some of the options for working with event data depend on the data source used Earthworm compatible database SEED file or Nan ometrics data server This chapter contains basic procedures for working with event data to locate and edit solutions loading options Note A data source and catalog structure must be created before data can be loaded in Atlas See Section 2 3 Set up a new installation of Atlas on page 12 This section lists procedures for loading data into new events and into existing events You can load events from any data source and load channel and trigger data from Nan ometrics data server catalogs 5 1 1 Load extra trace data You can set the amount of trace data to load for new events from Nanometrics data servers 1 Open the event options Tools gt Customize events
44. 00 pszDBComment database comment usNumStages number of stages in File 09 usStageNumber response list stage number o ulStageKey unique database stage key EV Mb usSeedBlockette 43 4 1 SEED blockette equivalent gt 13 szName 43 4 4 Unique identifying name 22913 chSeedType 43 4 5 type of stage A B C or D A 14389R5 2005 01 20 Atlas Version 1 2 User Guide 1 27 Appendix C Response File Format szInputUnits 43 4 szOutputUnits 43 4 rNormFactor 43 8 rNormF req 43 9 rInSamSec 47 5 usDecimation 47 6 usDecimationOffset 47 7 rDelayEstimate 47 8 rDelayApplied 47 9 rGainOrSensitivity 48 5 rGainFreq 48 6 rFrequency usType szDesign usNumTerms usDenTerms rtmLoadDate date pszDBComment Coefficients as 0 000000 0 000000 4 442210 4 442210 4 442210 4 442210 6 input units description 7 output units description Seed optional to normalize Seed optional With 43 8 input sampling rate Sampling decimation factor decimation offset Stage delay time nominal applied stage delay stage sensitivity or gain frequency of stage gain meaning depends on NMX type NMX response type 0 through 8 how filter was designed number of zeros or numerators number of poles or denominators loaded into the database database comment specified above M S V 1 000000 000000 0 0 6 000000 OoPROOOOROoOR E e M nd o 2 2 Aug 03 2001 01 29AM 0 000000 0 000000 usStageNumber ulStageKey usSeed
45. 000 To see the location of the epicentre on a map right click on the solution in the Solutions tab and choose Locate Solution on a Map Or click to highlight the solution and then click the Show map button wall on the main toolbar If you would like to adjust your picks or their weights you can leave the Hypoinverse Results window open make changes to the event then locate again This will open a new results window that you can use to compare to the old one If you now look at the Solutions panel Figure 3 6 on page 23 you will see a summary of the location just calculated You can choose to have more than one solution by using the function buttons on the solutions toolbar Create anew solution j Copy the currently active solution E Copy the reference solution a Delete a solution Lad 3 6 Save events and solutions If you are now satisfied with the location results it is time to save the event If you had previously saved the event you would just be saving the new solutions in this tour 24 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 3 A Quick Tour of Atlas you have not yet saved the event To save click the Save button ej on the toolbar This will open the Save To Data Source dialog box Figure 3 8 Figure 3 8 Save To Data Source dialog box hoose a data source to save event E to You can save to Earthworm databases with Atlas Extensions and to SEED files The dialog bo
46. 004 1 043084e 004 2 426295e 004 8 288109e 004 1 497339e 003 1 894279e 003 1 544016e 003 5 733420e 005 2 574218e 003 5 724076e 003 8 086910e 003 7 981330e 003 4 009124e 003 4 101318e 003 1 480032e 002 2 45513 e 002 2 845132e 002 2 161206e 002 9 396188e 004 3 330763e 002 7 683237e 002 1 218946e 001 1 591557e 001 1 802514e 001 usStageNumber response list stage number 38 ulStageKey unique database stage key 808 usSeedBlockette 43 4 1 SEED blockette equivalent 44 szName 43 4 4 Unique identifying name 3 Fir 3 Filter chSeedType 43 4 5 type of stage A B C or D ES szInputUnits 43 4 6 input units description COUNTS szOutputUnits 43 4 7 output units description COUNTS rNormFactor 43 8 seed optional to normalize 1 000000 rNormF req 43 9 seed optional With 43 8 fed rlInSamSec 47 5 input sampling rate 200 000000 usDecimation 47 6 Sampling decimation factor t2 usDecimationOffset 47 7 decimation offset 0 rDelayEstimate 47 8 stage delay time nominal 0 0 rDelayApplied 47 9 applied stage delay 0 0 rGainOrSensitivity 48 5 stage sensitivity or gain 1 000000 rGainFreq 48 6 frequency of stage gain 10 rFrequency meaning depends on NMX type 0 0 14389R5 2005 01 20 Atlas Version 1 2 User Guide 1 31 Appendix C Response File Format usType NMX response type 0 through 8 szDesign how filter was designed usNumTerms number of zeros or numerators usDenTerms number of poles or denominators rtmLoadDate date loaded into the d
47. 005 2 025092e 004 1 122147e 004 2 730092e 004 2 378789e 004 4 882986e 004 1 273434e 004 1 293681e 004 9 317625e 004 5 016527e 003 1 135685e 003 8 796328e 004 1 mn PAN response list stage number unique database stage key 43 4 1 SEED blockette equivalent 43 4 4 Unique identifying name 43 4 5 type of stage A B C or D 43 4 6 input units description 43 4 7 output units description 43 8 seed optional to normalize 43 9 seed optional With 43 8 47 5 input sampling rate 47 6 Sampling decimation factor 47 7 decimation offset 47 8 stage delay time nominal 47 9 applied stage delay 48 5 stage sensitivity or gain 48 6 frequency of stage gain meaning depends on NMX type NMX response type 0 through 8 how filter was designed number of zeros or numerators number of poles or denominators date loaded into the database database comment as specified above 44 Fir 3 Filter D COUNTS COUNTS 1 000000 1 2000 000000 D OO 00000 e 5 OPRPOOON o 118 0 Aug 03 2001 01 29AM 1 046905e 005 051089e 005 362692e 004 488128e 004 257253e 004 524018e 004 823778e 003 4 200994e 004 2 504274e 003 4 363557e 004 3 008321e 003 1 707706e 003 3 124313e 003 3 327176e 003 2 625743e 003 5 122464e 003 1 311452e 003 6 808534e 003 9 463453e 004 7 998371e 003 4 153490e 003 8 232391e 003 8 15258le 003 1 3 Atlas Version 1 2 User Guide 14389R5 2005 01 20 Appendix C Response File Format
48. 01 20 Chapter 2 Setting Up A New Installation 2 2 2 Catalogs Catalogs provide criteria on which events are sorted into categories and are necessary for listing events in a data source Each type of data source Earthworm databases Nanometrics data servers and SEED files uses catalogs to organise event informa tion You can create catalogs to view events or event data meeting specific criteria and modify and remove the catalogs as needed The types of catalogs that can be created depend on the data source type Earthworm database catalogs Unlocated events Located events Nanometrics data server catalogs Trigger Channel Event SEED file catalogs Events 2 2 2 1 Earthworm database catalogs Earthworm database catalogs can be defined to contain either unlocated events or located events with a range of characteristics An Earthworm unlocated event catalog will contain all unlocated events for the source Earthworm located event catalogs can be defined on combinations of temporal epicentre depth and magnitude criteria These events are searched on the basis of their preferred solution You can create modify and remove Earthworm event catalogs You can update the list of events and delete events from a catalog 2 2 2 2 Nanometrics data server catalogs Nanometrics data servers provide access to trace data as received from seismic sensors You can create three types of Nanometrics data serve
49. 14389R5 2005 01 20 Atlas Version 1 2 User Guide 1 23 Appendix A Hypoinverse 1 24 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Earthworm B 1 Introduction Earthworm is an automatic earthquake processing system developed by the USGS for use with seismic networks It is public domain software available to anyone to down load Information on the Earthworm system can be found at http folkworm ceri memphis edu ew doc When the term Earthworm database is used in this documentation we mean the Ora cle database compatible with Earthworm B 2 Atlas and Earthworm installations Atlas does not require the use of the Earthworm system however the Oracle database has been set up to be entirely compatible with Earthworm versions 6 0 and 6 1 Atlas adds a few Atlas specific tables functions and procedures if these have not been added to the database then Atlas treats the database as read only None of the existing database functionality is changed with the addition of these elements Earthworm may be installed after Atlas is installed skipping the database installation step This assumes Earthworm version 6 0 or 6 1 any subsequent versions of Earth worm will require updating the database Currently Atlas is guaranteed to work with versions 6 0 and 6 1 See also the Atlas Installation and Maintenance Guide 14389R5 2005 01 20 Atlas Version 1 2 User Guide 1 25 Appendix B Earthworm 1 2 Atlas Versi
50. 2 User Guide 93 Chapter 8 Maps 8 1 1 Map window The map window Figure 8 1 displays all currently loaded maps and allows interaction with station and solution information Data in the map window are displayed in four main panels and in a status bar at the bottom of the window Map panel Displays all currently loaded maps stations and various trace data indicators Depth slider panel Displays depth information on the current solution Summary panel Displays information about a station or epicentre when the mouse pointer is moved over the station or epicentre on the map Legend panel Displays legend information on the visuals and data currently dis played on the map as defined by the data settings See Section 8 5 2 Customise the seismic event display on page 108 Location bar Displays the longitude and latitude under the mouse pointer The Map panel displays event data The three additional panels Depth slider Legend and Summary support interpretation of the map and provide utilities for refining a location calculation Menus and toolbars provide additional options for data settings and tools for working with solutions Figure 8 1 Map window overview Map for 2001 11 29 14 35 24 Solin L3 ls lg Lal El a Ll La on Jj Map panel O 7 7 Station E NC MCV Epicenter marker Ne E e None Trace Data Available true Legend panel S Pick Residual e First Motion None P
51. 4 3 1 2 Move a pick gt Either click and drag the pick to the new location or Shift click on the trace at the new location 5 4 3 1 3 Delete a pick or a duration gt Right click on the pick on the appropriate trace and then select the Delete pick name option from the pop up menu 5 4 3 2 Modify picks using Edit Picks and Edit Amplitudes tables You can modify picks using the Pick Editor and Amplitude Editor dialog boxes The dialog boxes display all picks that are part of the solution whether trace data are avail able or not The information is stored in a table format 5 4 3 2 1 Edit picks In the Pick Editor dialog box Figure 5 12 you can add edit and delete phase picks P picks S picks and duration phases for the event and toggle picks on weight of 100 or off weight of 0 All phase picks for the solution including those for which no trace data are available are listed in the table Figure 5 12 Pick Editor dialog box ELTET Cancel New Pick Delete Pick L 1 Open the Pick Editor dialog box gt Right click on the solution name in the Solutions panel Figure 5 9 on page 56 and then choose Edit Picks 2 Add edit activate or deactivate and delete picks Add a pick Click New Pick and then click in a field for example Phase to type in the appropriate value Time is in GMT Edit a pick Click in a field for example Time to type in the appropriate
52. 4 4 Unique identifying name 43 4 5 type of stage A B C or D 43 4 6 input units description 43 4 7 output units description 43 8 seed optional to normalize 43 9 seed optional With 43 8 47 5 input sampling rate 47 6 Sampling decimation factor 47 7 decimation offset 47 8 stage delay time nominal 47 9 applied stage delay 48 5 stage sensitivity or gain 48 6 frequency of stage gain meaning depends on NMX type NMX response type 0 through 8 how filter was designed number of zeros or numerators number of poles or denominators date loaded into the database database comment as specified above 44 Fir 1 Filter D COUNTS COUNTS 1 000000 1 30000 000000 ooo 00000 o 5 OE eE O O O UW o 34 0 Aug 03 2001 01 29AM 3 788775e 005 1 997269e 004 5 912768e 004 1 198337e 003 1 677196e 003 1 234444e 003 1 158774e 003 6 071729e 003 1 261023e 002 1 766685e 002 1 615370e 002 2 631810e 003 2 601663e 002 6 805387e 002 1 159861e 001 1 582344e 001 1 830499e 001 usStageNumber ulStageKey usSeedBlockette szName chSeedType response list stage number unique database stage key 43 4 1 SEED blockette equivalent 43 4 4 Unique identifying name 43 4 5 type of stage A B C or D 44 Fir 2 Filter B 14389R5 2005 01 20 Atlas Version 1 2 User Guide 1 29 Appendix C Response File Format szInputUnits szOutputUnits rNormFactor rNormF req rinSamSec usDecimation usDecimationOffset rDelayEstimate rD
53. 6 Contents Update a SEED event catalog cen cai ai siwr ani ina een E a EAA E 46 Clear a SEED event catalog 0 00 te eee 46 Modify a SEED event catalog 00 cece eee 46 Copy events from a SEED event catalog 0 000 eee 46 Delete a SEED event catalog 2 2 cee eet n 47 Event Bala cir tele teed Oe ss dt le ee eek CIEL as dd 49 Data loading Options ed deter aa aa tt dy dialed 49 Load extra trace data 2 cc cee de ee EERE ya eee ea 49 Load an existing event ricn eme tarr eb e e ee bn hg 50 Load an existing event using the File menu llle 50 Load an existing event using acatalog 0 0 2 0 ee eee 50 Load channel data in a newevent 0 00 cee eae 50 Add channel data to an existing event llli eee 51 Add all traces from a source o ooccocoocco eh 51 Add selected trace data 0 cee eee ee e a hh hrs 52 Export an event to Y fles 1 2 0 2 00 00 0c eee 52 Load trigger data in a new event llli 52 Add trigger data to an existing event 52 Add all triggers from a source 53 Add selected trigger data liliis 53 Rename an event soria dtes eb P RH Re S Tem RA P Ead Eri en 53 Event save and copy options 20 00 lle 53 Sol tionOptloris gt si ir deret pete p Rp Ad pere duh Astro bar wed 54 Create a new solution oooooccococc e m m 56 Located solt oest taaan cole tp EAM UEM qub SE 56 View Hypoinverse resultS
54. 9 Instrument Simulation Filter dialog DOX llis 83 6 10 Ground Motion Filter dialog box slsseeeeeee Ih 84 6 11 Trend Filter dialog box lsesseseeeee RR IRI e 84 6 12 Open the Instrument Response window 2000 00 eee e eee ess 85 6 13 Edit instrument response fora trace oooooooococ eee 86 6 14 Load instrument response for a data source 00000 cece cece eee 87 7 1 Power spectra plot window 0 000 eee 90 7 2 Open a power spectra plot window 0 000 eee eee eee 91 7 3 Spectra Options dialog box 0 0 0 2 tee 91 7 4 Reset data range display 0 060 e eee ne 92 8 1 Map window overview o 94 8 2 Map legend panel showing initial Overview data settings o o o 95 8 3 Loadamapfile 00 00 rs 96 9 4 Eoad a rniew map soe xg deo Ue eR SR LEAD UE du bem Seta 97 9 5 Locdte a raster map 55 5 costes tea mets edge edat x nnde Falta dia REA EUR 97 8 6 Set geophysical location for a raster map 0000 cee eee 98 9 7 Remove amap sossessdesu AE ERI aEAuer ic awe ache dad gery ale PERI Be cise 98 8 8 Solution details lille 100 8 9 Choose solution data settings 0 0 2c tees 100 8 10 View another solution for the event 0 2 00 eee eee 101 8 11 Open the Map Projection dialog box 1 0 0 0 ce tee 102 8 12 PrintaimMaprinta dares Soin Sor eode tans ue Re A ie tu a oed e te rana a 102 8 13 Ma
55. 9 Note You will need to develop and place your own crustal model if the Hypoin verse results are to reflect the geophysical conditions of your network See docsYhyp2000 1 0 for more information Most of the other commands in At las hyp reflect the default settings for those com mands Atlas will only consider the primary duration and primary amplitude magnitudes in this release The MAG command in At las hyp is formulated to calculate traditional dura tion magnitude to use the weights on the phase cards and to use Eaton s distance cor rection These settings may be changed but Atlas only considers the primary duration magnitude If the remark character for the magnitude in the summary line of HypoAt 1 2 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Appendix A Hypoinverse lasOut column 118 is the same as the remark in the code for duration on the phase line column 110 then the station magnitude is read and saved as part of the duration magnitude This code is set with the command FC1 in the Atlas hyp file If these conditions are not met the duration pick will not be saved to the database The settings for the amplitude magnitude will also use the Eaton s distance correction as a default This may be changed in the Atlas hyp file using the LAO command to specify which channels use a different formulation If the remark code in column 122 of the summary line in HypoAtlasOut matches the code in column 111 of the phas
56. Atlas Version 2 User Guide 2002 2005 Nanometrics Inc All Rights Reserved Atlas Version 1 2 User Guide The information in this document has been carefully reviewed and is believed to be reliable for Version 1 2 xx Nanometrics Inc reserves the right to make changes at any time without notice to improve the reli ability and function of the product No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written permis sion of Nanometrics Inc Nanometrics Inc 250 Herzberg Road Kanata Ontario Canada K2K 2A1 Tel 613 592 6776 Fax 613 592 5929 Email info Onanometrics ca Part number 14389R5 Release date 2005 01 20 Contents FIG UE Sco A vii Tablero dada atada tia dicas xi INTOdUENON ETT TT 1 About AUas 3 Ue ada sm at ee bera dut rr iste mtem ted ege 1 About this User Guide 0 00 00 ccs 2 Setting Up A New Installation 2 2 5 Navigating MAS s oui Vue Te ne ate eae Sane vie c Re badass bp eed don V acd 5 User interface conventions 00 0000 e eee 5 Main MEN S cado Ce ne he dd RS 7 About Atlas data storage 62 ieee ete eee be bee bene bee eens 8 Data SOUICES it tue ERE RI Raise Reese para as e Soe 9 Earthworm compatible databases liliis 9 Nanometrics data servers o 9 SEEDANES 223 cha alec a Cate Sod delt
57. Blockette 43 4 szName chSeedType 43 4 szInputUnits 43 4 szOutputUnits 43 4 rNormFactor 43 8 rNormFreq 43 9 rInSamSec 47 5 usDecimation 47 6 usDecimationOffset 47 7 rDelayEstimate 47 8 rDelayApplied 47 9 rGainOrSensitivity 48 5 rGainFreq 48 6 rFrequency usType szDesign usNumTerms usDenTerms rtmLoadDate date pszDBComment Coefficients as response list stage number unique database stage key 1 SEED blockette equivalent 43 4 4 Unique identifying name 5 type of stage A B C or D 6 input units description 7 output units description Seed optional to normalize Seed optional With 43 8 input sampling rate Sampling decimation factor decimation offset stage delay time nominal applied stage delay stage sensitivity or gain frequency of stage gain meaning depends on NMX type NMX response type 0 through 8 how filter was designed number of zeros or numerators number of poles or denominators loaded into the database database comment Specified above 9904 800000 3786 000000 9904 800000 3786 000000 12507 000000 0 000000 43 1500Hz Bessel 3P LP A 405680e 012 0000 000000 0 0 392000 0 0 Fr20ornm u uccocrocummPrmmP Zdsck 0 3 Aug 03 2001 01 29AM usStageNumber ulStageKey usSeedBlockette 43 4 szName 43 4 response list stage number unique database stage key 1 SEED blockette equivalent 4 Unique identifying name 43 A D converter Atlas Version 1 2 User Gu
58. Create a filter ecd oss esr AS Rer ab anh dena gedaan d stad 72 Create a filter in the saved filter groups list llle 73 Create a filter in the applied filters liSt ooooooooooooooooooooo 73 Change the order of filters ina group lilii 74 Rename filters and filter groupS 1 1 eee 74 Apply existing filters 0 RI IRR eee 74 Apply a single filter 5 2 2 vos me team rata aaa games ed 74 Apply a filter group 2 2 Ies 75 View and edit filter properties annann naaa 00 cee A 75 Remove filters agence naa a ce tee eee 75 Remove avtilter x sitas a as 75 Clear an applied filter list 0 0 0000000 cc ee 76 Filter options iad aude ad pissed dure aed a An PA dd AR 76 Basicfllter sa fcc A te Reet pa Gs ee oh eas alin ae ie SL A 76 Settings common to all Basic filters eee 77 Additional Basic filter settings llli 77 Poles and Zero6s ras riot a A a 77 Coefficient filters 2 0 0 0 00 tee eee 78 Discrete Filters iia emo etse 4e eR E eie aa MESS 79 Gontinuous Flllerss ci eer RU ERG ESSI Ree Su dE VET EE 79 Filter implementation details 0 020000 eee 80 Butterworth filter senaga sae a a E A E EE a a e A E EE T OSA 81 Inverse Instrument Response filter llle 82 Instrument Simulation filter naaa 2 02000 e 82 Ground Motion Conversion filter lille 83 Trend Removal filter 0 000 0000 eee 84 Contents Instrument Re
59. Earthworm tab and then type the appropriate values for your system in the fields for Database name User name and user Password Figure 4 2 These values are defined during the Atlas installa tion 3 Click Ok to create the connection to the Earthworm data source Figure 4 2 Create an Earthworm Data Source connection Select Data Source xj User Paswokb CS Once the source has been added to the Catalogs panel it will appear under the Data Sources node and a connection is made to the database 4 1 1 2 View properties of an Earthworm database gt Right click on the Earthworm database node in the Catalogs panel and then click Properties in the pop up menu This will display the database name and user name in the Data Source Properties mes sage box 32 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 4 Data Sources and Catalogs 4 1 1 3 Unlock Earthworm database events Unlocking events should only be necessary if events were open when there was an abnormal exit of the application or if the database was shut down while Atlas was still running 1 You can unlock Earthworm database events from either the main menu or the Earthworm database node In the main menu bar choose Tools gt Unlock Events Right click on the Earthworm database node in the Catalogs panel and then click Unlock Events in the pop up menu In the Unlock Database Events dialog box Figure 4 3 a Choose the
60. Figure 3 7 Hypoinverse results window LE a Hypoinverse Results for Solution 16 39 20 0470 Date 2002 07 02 RMS Error 1 74 sec Phases Used 5 Time 16 39 20 0470 Horizontal Error 10 79 km Number of S Picks D Latitude 48 6362 N Vertical Error 99 00 km Maximun Azimuthal Gap 117 deg Longitude 75 5103 W Azimuth 37 deg Nearest Station 117 0 km Depth 8 km Dip 89 deg Amplitude Magnitude Magnitude Size 99 0 km Duration Magnitude HYPOINVERSE 2000 STARTING 36 STATIONS READ IN 2 STATION DELAYS SET FOR MODEL 1 O STATION DELAYS SET FOR MODEL 2 200207021639204748 3817 75 3062 800 O 5117117 174 37899900 401079 0 782 010799900 0 51 STNOZON BHZ P 0200207021639 4141 190100 6 00 0 0 01166 4700 0 0291 s STNO4ON BHZ P 0200207021639 4181 212100 6 00 0 01181 4700 0 0 69 T Column Row Ok Don t show this panel again The top part of the Hypoinverse Results window shows a summary of the results The first column shows calculated time hypocenter and magnitude of this event The sec ond column shows some of the error calculations In this example the error calcula tions are large because the data were created synthetically at random times The third column lists some miscellaneous output The bottom part of this window shows the raw Hypoinverse output including the contents of the output file The format of this output is explained at the Hypoinverse ftp site ftp clover wr usgs gov pub ehz klein hyp2
61. Internet connection You can create modify and remove connec tions to databases Earthworm compatible databases that do not have Atlas Extensions are read only Earthworm compatible databases with Atlas Extensions are writeable 2 2 1 2 Nanometrics data servers Nanometrics data servers provide access to seismic sensor data and automatically detected events and triggers You can create modify and remove connections to data servers A Nanometrics data server includes Nanometrics data files Naqs ringbuffers and event list files and the Nanometrics DataServer utility The DataServer utility provides Atlas with access to the Nanometrics data via a TCP IP connection Seismic state of health and serial data are stored in ringbuffer files triggers and events are stored in event files 2 2 1 3 SEED files SEED file data can be imported and exported over a local network connection You can create modify and remove connections to SEED files The current version of Atlas supports SEED version 2 3 files 14389R5 Atlas Version 1 2 9 2005 01 20 User Guide Chapter 2 Setting Up A New Installation 2 2 1 3 1 SEED data source constraints SEED files can be used in the same way as an Earthworm database except for these limitations Some of the information that can be stored in the database for an event cannot be saved to a SEED file thus a SEED file event will contain less information than one saved to the database Informat
62. Le A EN AE aie EUR 95 Loading and removing maps oooccccoc e m 96 Supported map file formats lille 96 Load anew Ma sr 96 Load a map using the File menu liiis eh 96 Load a map using the File Settings dialog box 0 0 cee ee 96 Locate a raster laps ue sehe ERREUR eg Seded 97 REMOVE AMA Loca beg Gees alla oa eee eee ee eee 98 Viewing mapped data 000 ete 98 Open an event map 0002 es 99 View different areas of a map o ooooocooo ss 99 View station information 02 00 ooo 99 Highlight trace data in the Atlas main window llle eese 99 View solution information llsllslllell eres 100 View information about the current solution lille 100 View a subset of solution data llli 100 View another solution for the event liliis 101 Change the map projection s e erede crier Eei neare III 101 Supported map projections a n aaa aaae 101 Change the current map projection a na saaana 101 E aa aa a te adda ten tage soon Ros Diac d QN AUR Y 102 Close a map window ooo 102 Editing mapped solutions bai ae a eee eee 102 Open the map solution menu 00 00 ce es 103 Contents Move the solution to a trial location lille 103 Move the epicentre marker illl 103 seta trial depth 2 soeur esed vA A ewan sete em a la 104 Fix the current depth o oooooooooooo eh 104 Creat
63. Response to find a response X edi EA file to add for the trace o La Combined Response o CONTINUOUS_FILTER l o DISCRETE_FILTER 6 3 2 2 1 Response history The response history node lists all available instrument response in the data source This node appears when you select the Instrument Response gt History In data source name gt To open the response history options menu see Table 6 11 right click on the response history node Table 6 11 Response history node options Menu option Function New Response Creates a new instrument response for the channel Load Response Loads an instrument response from a response file 6 3 2 2 2 Response The response node lists filters that form an instrument response This node appears when you select the Instrument Response gt For Trace option The response node acts identically to that of a filter group in filtering except it also includes a start time and an end time for which the response is valid For example MCM VHZ from 1970 01 01 to 2286 11 20 See also Section 6 1 Cre ating and applying filters on page 71 To open the response options menu Table 6 12 right click on the instrument response node Table 6 12 Response node options Menu option Function New Filter Adds a new filter to the response file Only a basic or Butterworth filter can be added Properties Allows edits to the start and end time for which thi
64. To create a Nanometrics data server catalog right click on the Nanometrics icon WEY and then select New Catalog to open the Catalog dialog box Figure 3 4 The Catalog dialog box has three tabs Channel Event and Trigger For now just create an Event catalog Click the Event tab then choose the most recent events for the previous 2 days Type in a Catalog Name NMX2days and then click Ok If you double click on the new catalog you will see all events for the last two days If there were no events in the previous two days the catalog will contain only the entry No events In this case try other time period settings to load events 14389R5 2005 01 20 Atlas Version 1 2 21 User Guide Chapter 3 A Quick Tour of Atlas Figure 3 4 Create a new Nanometrics catalog atlas Seismic Data Analysis Tool Catalog xj talog Name Unnamed 3 4 Edit solutions You will need to open an event before you can locate or edit solutions To open an event double click on an event from the NMX2days catalog An Event window will open on the Event desktop displaying trace information for each channel The Event Window provides various widgets for manipulating the view of the trace Figure 3 5 Figure 3 5 Event window trace panels and toolbars Cnc LL Cre axis buttons ATTE TY ATTIC TRY diria 4 Y axis buttons Channel label panel F w T Overview panel Traces can be displayed in the
65. Zoom trace panel which displays the currently active trace the Pick trace panel which displays the trace centred around the pick if there is one and the Main trace panel You can zoom in and out on these trace views by using the zoom toolbar buttons or using the mouse wheel to zoom amplitudes In addition you can view individual samples by clicking the data point button 1 on the Atlas win dow toolbar then zooming in to the point where you can see the data points shown as Xs You can now review the trace data and add new picks to the trace and adjust existing picks To add a P pick or an S pick to a trace select the appropriate button on the Atlas 22 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 3 A Quick Tour of Atlas window toolbar for example use the ah button for P picks and the button for S picks and then click on the trace Use the pick trace view of the data to refine the pick time by clicking and dragging the pick See also Section 5 4 1 Changing the view of a trace on page 59 Note The location algorithm needs at least four P picks to locate a solution All events will have at least one solution To review this solution click the Solutions tab at the top of the multi pane panel in the Atlas window then click the solution node Figure 3 6 Until the solution has been located the values will be zero If you do not see the Solutions tab activate the event on the Atlas desktop by clicking on the
66. a beanie he san 9 SEED data source constraints ooocoooocoooo eee eee 10 Read write features of data sources 2 00 0c e cee eee eee 10 Catalogs cix ruere tue E WS IERI LAUR Att dies oe 11 Earthworm database catalogs llis ees 11 Nanometrics data server catalogs llle 11 Channel catalogs 225 utu dete bbb Eb doe ptt Pe d 11 Nanometrics event catalogs llle 12 Trigger catalog emitan xm dene Mat ew kepada Dees od at game 12 SEED NE catalogs cero hid Reka ions ale UO UE NEUSS DEO Ma RR 12 Set up a new installation of Atlas 20 00 00 ccc eese 12 Connect to an Earthworm database liliis 13 Connect to a SEED THe erro sh sada agen Rede X Gu ERA AA er tess 13 Connect to a Nanometrics data server 0000000 14 Create event catalogs sies em e bh mr rh na 14 Create an Earthworm catalog 000 eee eee 14 Create a Nanometrics catalog llle 16 Create a SEED Cat aae renak EEE ee RR t hn 17 A Quick Tour of ABS casper sota rre 19 Starting Atlas for the first time llle 19 Define data Sources us iue Eee aed IP bd v pede ga 19 Define catalogs 2 5 gama peed eg pi Gaeta game r bea Up ret RR ee 21 Edit Solutions x soothe ro anase tia eS Reo area A Re READ PRESE 22 Eocate solutioris oo eee wid alee BEDS te Rae de NE 23 Save events and solutions a n anaana aea 24 Refine solutions with the map utilities 222i 25 C
67. a may take a very long time to load and may exceed the memory limits of your machine 3 Enter the time period for the data a Start time Type in the date and start time these are in Greenwich Standard Time b Duration Type in the duration and select an appropriate unit from the drop down list 4 Click Ok To discard the changes click Cancel If trace data are available for the time period a new event window will open containing one trace with the specified start time and duration 5 1 4 Add channel data to an existing event You can add all traces from a source and add selected trace data 5 1 4 1 Add all traces from a source gt Right click on the trace and in the pop up menu choose Add all traces from data source 14389R5 Atlas Version 1 2 51 2005 01 20 User Guide Chapter 5 Event Data 5 1 4 2 Add selected trace data 1 Ensure that the event you want to use is open and selected on the Event desktop 2 Click to open nodes in the catalog tree to see the channel you want to use Figure 5 3 on page 50 Data Sources gt Vanometrics data source gt channel catalog 3 Double click on the channel name Atlas will attempt to load the trace data from the channel If trace data are available for the time period the channel will automatically be added to the event with trace data for the time period of the event 5 1 5 Export an event to Y files Y files are similar to public format X files except
68. ade in the Hypoinverse Settings Editor window will be ignored by Hypoinverse gt To set a new file either type the file path in the Command File field or click the Browse button to set the file from a browse window gt To reset to the default command file At las hyp click the Default button 5 4 4 3 2 Set the station file You can use the default station file AtlasStations hinv or you can specify a different station file for Hypoinverse to read The station file contains details about the stations and channels that are used such as location latitude longitude delays and corrections If the input file contains a channel that is not in the station file that channel information will be ignored Atlas creates the station file AtlasStations hinv each time Hypoinverse is invoked AtlasStations hinv includes all of the stations in the file UserStation hinv in the same directory as well as the stations of the solution that are in memory duplicates are ignored You may edit UserStations hinvto ensure that channel settings are correct gt To set a new file either type the file path in the Station File field or click the Browse button to set the file from a browse window gt To reset to the default file At lasStations hinv click the Default button 6 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 5 Event Data 5 4 4 3 3 Set the crustal model file The Crustal model text field sets the file that contain
69. and generate triggers You can create modify and remove trigger catalogs You can update the list of triggers in a catalog and clear the list 2 2 2 3 SEED file catalogs SEED file catalogs can be defined to contain events for a given time period or to con tain all events if a time period is not specified Events are exported from SEED files or saved from Earthworm databases or Nanometrics data servers See Section 2 2 1 3 1 on page 10 for information on SEED file limitations 2 3 Set up a new installation of Atlas When you start Atlas for the first time the Catalogs tabbed panel will contain an empty folder called Data Sources Before data can be loaded in Atlas you must create a struc ture of data source s and catalogs Procedures for defining data source connections and catalogs are the same for both the initial setup described below and for subsequent additions to the data source and catalog structure described in Chapter 4 Setting up a new installation requires three general steps 1 Connect to an Earthworm compatible database Section 2 3 1 on page 13 or a SEED file Section 2 3 2 on page 13 2 Connect to a Nanometrics data server Section 2 3 3 on page 14 3 Create catalogs to organise and view data Section 2 3 4 on page 14 Note For Atlas using Oracle connections before you can access a particular database you need to use an Oracle assistant to list the database in your Oracle settings See the sections
70. ap File menu choose Map File Settings Figure 8 7 2 In the Map File Settings dialog box right click on the name of the map to remove 3 In the pop up menu choose Remove Map Figure 8 7 Remove a map Map for 2001 11 24 Load Map File f Map File Settings Nx Map File Settings N y Map Files i EU 9 1 Man Fi Visible Ivi i worta shp a Cal_MariposaEastjpg Locate Image Locate Transparency 0 0 70 0 8 3 Viewing mapped data The map displays all currently loaded maps see Section 8 2 and provides options to view data about map components such as stations and solutions 98 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 8 Maps 8 3 1 Open an event map Note Maps can use a large amount of memory depending on their complexity also each map window loads a separate instance of each map If the computer is running out of memory remove some maps from the Map Settings Window or close some map windows Numerous event map windows can be displayed simultaneously gt Open and select the event and then click the Show map button dl A new map window will open with the view centred around the stations and epicentre for the event If the map window is not centred around the event it may be that no appropriate maps have been loaded or that the current projection settings exclude the geographical area for the event See also Section 8 2 2 Load a
71. apter 3 A Quick Tour of Atlas an introductory tour of the main features of Atlas Part 2 Working with Atlas includes an overview of data storage and access and pro cedures for using Atlas to store access and examine data Chapter 4 Data Sources and Catalogs procedures for working with Earthworm compatible databases Nanometrics data servers and SEED files to create and remove connections to data sources as needed view data source connection prop erties and create catalogs for working with various types of trace data Chapter 5 Event Data procedures for working with event data to load save and copy events locate and edit solutions and annotate events Chapter 6 Filters procedures for creating digital filters and applying them to trace data and saving single filters and groups of filters for future use This chap ter includes a section on instrument response utilities for instrument deconvolu 2 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 1 Introduction tion instrument simulation and for determining the ground motion measured when converting between motion types Chapter 7 Power Spectra an overview of how power spectra are calculated and procedures for calculating and plotting spectra for any trace or trace segment Chapter 8 Maps procedures for loading maps and using map utilities to refine solutions Part 3 Appendices
72. as the map file The Loc file contains location information for the map Atlas searches for a Loc file when loading raster images 1 Load a new raster map see Section 8 2 2 or select Locate from the Map File Set tings window Figure 8 5 Figure 8 5 Locate a raster map C Map File Settings x o T map Fies Visible m ull world shp is calt jpg Locate Image Locate ull Cal_MariposaEastjpg Transparency 0 Whiteout 70 0 aa Ok Update 2 Inthe Set Geophysical Location dialog box Figure 8 6 double click on the map to set the location of Point 1 and double right click on the map to set the location of Point 2 To view different areas of the map you can click and drag the map to move the centre of view and right click and drag to zoom in or out 14389R5 2005 01 20 Atlas Version 1 2 User Guide 97 Chapter 8 Maps When selecting the two points try to keep them as far apart as possible both verti cally and horizontally as this reduces the error The points cannot be on the same vertical or horizontal line 3 In the fields at the bottom of the dialog box enter the longitudes and latitudes for both Point 1 and Point 2 4 Click OK to create the 1oc file for the map file To discard the changes click Cancel Figure 8 6 Set geophysical location for a raster map Longitude 122 Latitude 36 elas ps J 0k cancel 8 2 4 Remove a map 1 Inthe m
73. ase lines contain both the pick and magnitude information and are separated from the summary line as well as each other by a line starting with The format of both the input and output files are detailed in the Hypoinverse documentation p 93 The picks for a solution are based on P green and S yellow picks you see on the traces In addition there may be paper picks for channels that have no traces These paper picks may be picks from the database or they may have been added in the Atlas session Pick weights used by Hypoinverse are complicated A weight code is set in the input file on the phase line by Atlas It will be 0 for 100 weight and 6 for zero weight Hypoinverse uses this code along with station weights set in the station file and weights applied as a function of the time residual and distance from the earthquake to calculate a final weight used see RMS and DIS commands in the documentation This final weight is reported in HypoAt lasOut and saved to the database For this reason when an arrival is retrieved from the database the weight will be either 1 if the final weight is gt 0 or 0 if the final weight is 0 Both phase picks and their weights as well as duration picks can be edited in the Solu tion tab of the main Atlas window Click on the Solution tab then right click a solution and choose Edit Picks Any text may be used for the pick type but if it does not have a P S or D in the type field the pick will be i
74. ased on the instrument model type and serial number The Model type list allows you to choose the model type of instruments to list Selecting All will include all model types The Instruments list allows you to limit channels to specific serial numbers of a selected model type Only the serial numbers associated with the model type chosen will be included A selection of All will include all the serial numbers of the selected model type In the Catalog Name text box type in a name for the catalog This is the name of the catalog as it appears on the Catalogs panel Click Ok to create the channel catalog To discard the changes click Cancel Atlas will open a connection with the data source and attempt to gather data that meet the criteria If the data source is unavailable or if some of the database connect settings are incorrect a warning will be displayed 4 2 2 1 2 Modify a channel catalog 1 Right click on the catalog node and then click Modify Catalog in the pop up menu Edit the options for Channels Shown Instruments and Catalog Name as required to reflect the new selection criteria for the catalog For Channels Shown the text box should have three characters based on the channel names requested using as a wildcard For example to get all vertical channels use Z assuming that the vertical channel names end with Z If the 14389R5 2005 01 20 Atlas Version 1 2 User Guide 39 Chapter 4 Data Sour
75. at is underneath them Translucent maps will be drawn more slowly than Opaque maps gt Type in a value within the range 0 fully opaque to 100 fully translucent in the Transparency field to vary the transparency Whiteout Use the Whiteout level to reduce contrast within the map making it easier to see objects on top of the map Whiteout blends the map colours with the selected percentage of white gt Type a value within the range 0 original colours to 100 com pletely white in the Whiteout field to vary the contrast Fill Color Only available for vector maps Fill Color is the colour that is used to paint the inside of the map for ESRI shape files or the lines for Arcinfo files gt Click on the colour field to open the colour chooser dialog box and select a new fill colour Line Color Only available for ESRI shape files Line Color determines the outline colour for shapes Click on the colour field to open the colour chooser dialog box and select a new line colour 8 5 2 Customise the seismic event display Different stages in the process of locating an event require different pieces of informa tion Atlas provides tools for you to create and edit data settings groups to display sub sets of data relevant to the different stages 8 5 2 1 About data settings groups A data settings group defines what subset of data to include on a map and how to dis play each piece of information such as a P pi
76. atabase pszDBComment database comment Coefficients as specified above 2 377585e 005 5 718979e 006 3 423591e 005 3 051089e 4 393138e 005 7 445012e 005 3 356967e 005 1 362692e 1 277561e 005 2 025092e 004 1 122147e 004 2 488128e 2 730092e 004 2 378789e 004 4 882986e 004 1 257253e 7 273434e 004 1 293681e 004 9 317625e 004 5 524018e 1 016527e 003 1 135685e 003 8 796328e 004 1 823778e 4 200994e 004 2 504274e 003 4 363557e 004 3 008321e 0 1 707706e 003 3 124313e 003 3 327176e 003 2 625743e 5 122464e 003 1 311452e 003 6 808534e 003 9 463453e 0 7 998371e 003 4 153490e 003 8 232391e 003 8 152581e 7 023114e 003 1 259593e 002 3 905999e 003 1 693529e 1 518937e 003 2 042215e 002 9 579908e 003 2 209426e 2 060824e 002 2 067742e 002 3 521951e 002 1 417054e 5 525585e 002 1 904586e 003 8 790202e 002 4 504146e 1 822970e 001 4 105864e 001 118 0 Aug 03 2001 01 29AM 1 046905e 005 005 004 004 004 004 003 03 003 04 003 002 002 002 002 usStageNumber ulStageKey usSeedBlockette szName chSeedType szInputUnits szOutputUnits rNormFactor rNormF req rinSamSec usDecimation usDecimationOffset rDelayEstimate rDelayApplied rGainOrSensitivity rGainFreq rFrequency usType szDesign usNumTerms usDenTerms rtmLoadDate pszDBComment Coefficients 1 000000 0 993736 date loaded into the database response list stage number unique database stage key 43 4 1 SEED blockette e
77. ated for its time and settings to reflect the changes Solutions that need to be relo cated to update their settings are displayed with the preceding symbol 1 If there are at least four P picks for the event Atlas will invoke Hypoinverse and locate the solu tion In the Solutions panel for the event click on the solution you want to locate and then locate using either of these methods Click the Locate Solution button BR on the Solutions toolbar gt Right click the solution node Figure 5 9 and then choose Locate Solution in the Solution pop up menu If Allow Hypoinverse Edits is selected in the location options the HypoLocator File Editor dialog box will open This will give you the option to edit the Hypoin verse file settings and the input file If Allow Hypoinverse Edits is not selected Atlas will invoke Hypoinverse and locate the solution A Hypoinverse Results window will display results if the Show Hypoinverse Results location option is selected Figure 5 9 Open the Solution pop up menu zeIm nnr Catalogs Filters Solutions 9 m Event 2002 07 02 16 39 20 Mag 3 04 So I p 16 39 20 0470 I 16 39 2 Right click a solution node to open the Solution copy Solution pop up menu Remove Solution Locate Solution View the Hypo Display Set As Prefered Solution Set As Reference Solution Locate Solution on a Map Edit Picks Edit Amplitudes View Complete Solution
78. ation being displayed One piece of information per data settings group can be displayed with this symbol option No editable attributes 8 5 2 5 Create a new data settings group 1 Open the Seismic Event Display Settings dialog box and then click Add An empty data settings group will be created with the name New Settings 2 Type in a name for the settings group and then edit the data settings using the options described in Section 8 5 2 4 a Click a data type button to open the Choose data to display dialog box b Select the data type from the Data type tree and then click Ok c Choose a symbol type from the drop down list for example Bar Chart and then set the symbol attributes for example Color if the symbol type has edita ble attributes 3 Click Ok to apply the values to the new settings group 4 Click OK to close the dialog box with saved values for the new data settings group The new settings will immediately be applied to the event map To discard the changes click Cancel Cancel will also discard any changes made to other settings groups during this dialog box session 8 5 2 6 Edit an existing data settings group For an existing data settings group you can add and remove individual data items from the map display and change settings for displayed items 1 In the Settings drop down list choose the data settings group for which you want to edit display settings 2 Edit the data settings using
79. ator coeffs only symmetric FIR N taps N 1 2 coeffs smallest first 5 Frequency amplitude response list not implemented 6 Generic corner slope list not implemented 7 Decimation and delay unit gain 8 Gain frequency only not implemented in PMResponse NMX to SEED mapping ck ck ck ck kk kk kk Sk KKK KK KK SEED NMX Plane type type 43A 1 S S plane poles and zeroes 44A 0 S S plane numerator amp denominator coefficients 44D 2 Z Z plane numerator and denominator coefficients Not supported by MAKESEED 43D Z plane poles and zeroes 44D 3 Z Numerator only biggest first half set 44D 4 Z Numerator only smallest first half set Notes SEED pole position errors not supported Notes on each field in NMX Stage record Lud d d d d dd d dd dd d dd d d dd d d d d d d d d d d d d E d d d d di ulRespKey Response filename should be anystring numeric id gt res szDescription Typically type of overall response Only needed in stage 0 rtmStartDate rtmEndDate rtmLoadDate pszDBComment Ignored but may be used in the future 14389R5 2005 01 20 Atlas Version 1 2 User Guide 1 33 Appendix C Response File Format usNumStages Read from stage 0 Used to check that expect number of stages are present usStageNum Ignored for now Recommend to put good value ulStageKey Assigned by MakeSEED usSeedBlockette Critical parameter Tells MakeSEED kind of blockette to make szName 26 Description of s
80. bar Figure 5 7 Procedures for working with solutions using these various options are described in the current section in Section 5 4 Solu tion editing options and in Chapter 8 Maps 54 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 5 Event Data Figure 5 7 Solution toolbar esos E59 Leg fn Lisa The Solutions panel Figure 5 8 displays and helps manage all solutions that are part of a currently active event An event must be open and selected for the Solutions panel to be accessible Each event can have more than one solution with the preferred solu tion determining the overall characteristics of the event The name time and location of an event are those of its preferred solution Figure 5 8 Solutions panel Catalogs Filters Solutions 9 Cd Event 2002 07 02 16 39 20 Mag 3 04 Solutions M p 16 39 20 0470 Q M 16 39 21 0340 Event title node Preferred solution name 16 39 21 0340 date 2002 07 02 Solution summary time 16 39 20 0910 GMT location 48 6895 N 75 3007 W depth 8 47 km magnitude MM 1100 00 00 0000 lt Unlocated solution name 16 39 20 0470 date 2002 07 02 time 16 39 20 0470 GMT location 48 636 N 75 5103 W 8km Reference solution summary A solution will have one these four states Needs to be located The solution has changed since it was last located indicate
81. ces and Catalogs text box contains fewer than three letters Atlas assumes that the ending letters are asterisks For example if the text is just H then Atlas reads this as H This feature is not case sensitive For Instruments The Model type list allows you to choose the model type of instruments to list Selecting All will include all model types The Instruments list allows you to limit channels to specific serial numbers of a selected model type Only the serial numbers associated with the model type chosen will be included A selection of All will include all the serial numbers of the selected model type 3 Click Ok to save the changes to the catalog To discard the changes click Cancel 4 2 2 1 3 Delete a channel catalog gt Right click on the channel catalog and then choose Delete Catalog in the pop up menu The catalog will be removed without prompting for confirmation 4 2 2 2 Nanometrics event catalog options Nanometrics event catalogs list events that have been detected automatically by the Nanometrics data servers You can create Nanometrics event catalogs update the list of events in a catalog and modify event catalogs You can copy events to another data source hide events not currently of interest and remove event catalogs Caution All trace data and triggers are reloaded from the ringbuffers when an A event is opened Therefore once old trace data are overwritten in the ringbuffers events will loa
82. ck panel Main p Is anel Channel label panel 1 D E Overview panel 5 4 1 1 Zoom the time width displayed You can zoom the time width displayed of the zoom pick and main traces using either the mouse or the time axis buttons gt With the mouse right click and drag up or down on the trace to zoom the time width displayed of the trace at the mouse location gt On the time axis toolbar click Al to decrease the time width displayed click A to increase the time width displayed and click m to reset to the default time width 5 4 1 2 Zoom the amplitude range displayed You can zoom the amplitude range displayed of the zoom pick and main traces gt On the Y axis toolbar click E to decrease the amplitude displayed click n to increase the amplitude displayed and click Y to reset to the default amplitude 5 4 1 3 Change the DC offset You can change the DC Y axis offset of the zoom pick and main traces Click and drag up or down on the trace to change the DC offset of the trace 6 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 5 Event Data 5 4 1 4 Change the start time of the view You can change the start time for the view of the zoom and main traces Since pick traces are centred on a pick only the DC offset can be changed for pick traces Click and drag left or right on the
83. ck residual Many pieces of information can be displayed by a single data settings group For example Asettings group used before an event is located for the first time may display which stations have traces and whether picks are available Asettings group for refining a solution may display pick and magnitude residuals and compare them to the reference solution You can create multiple data settings groups and apply any group to a map using the Settings drop down list in the map window Figure 8 9 on page 100 The legend panel of the map window displays the currently selected data settings Figure 8 1 on page 94 The procedures for creating and editing data settings groups are similar The Settings drop down list in the Seismic Event Display Settings dialog box Figure 8 18 on page 109 lists all existing data settings groups and allows selection of a group for edit ing The settings under each of the three tabbed panels constitutes the data settings group currently selected in the Settings drop down list 1 0 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 8 Maps Use options on the three tabbed panels and the five function buttons at the bottom of the dialog box to edit the station epicentre and reference epicentre display settings for existing settings groups and to create new settings groups See the following sections for procedures and options The tabbed panels include Station
84. d by the preceding symbol 1 It must be relocated for its origin to reflect the new information Preferred The located solution is the preferred solution indicated by the pre ceding symbol p Preferred and Needs to be located This status is indicated by the preceding sym bols p and I Located There is no preceding symbol to indicate a located solution The solution summary values are calculated and displayed each time a solution is located The solution summary includes values for these parameters name Name of the solution which is the time of the origin date Date of the origin in GMT time time Time of the origin in GMT time location Latitude and longitude of the origin in degrees depth Depth of the origin in kilometres 9 9 9 magnitude Magnitude of the event in units depending on the source for exam ple duration or peak to peak amplitude for Atlas generated solutions 14389R5 Atlas Version 1 2 55 2005 01 20 User Guide Chapter 5 Event Data 5 3 1 Create a new solution To create a new solution with no picks use either of these methods gt Right click on the event title node Figure 5 8 on page 55 and then choose Create New Solution in the pop up menu Click the Create new solution button LH on the Solutions toolbar 5 3 2 Locate a solution If a solution has been located but a pick has been moved the solution will need to be reloc
85. d all triggers in a catalog To hide a trigger right click on the trigger node and then choose Hide trigger in the pop up menu gt To hide all triggers in a catalog right click on the trigger catalog node and then choose Hide all events in catalog in the pop up menu 4 2 2 3 5 Delete a trigger catalog gt Right click on the catalog node and then choose Delete Catalog in the pop up menu The catalog will be removed without prompting for confirmation 4 2 2 4 Nanometrics catalog hidden list The Nanometrics catalog hidden list helps manage data by hiding triggers and events that are not currently of interest and by minimising duplication of lists of trigger and event data 14389R5 Atlas Version 1 2 43 2005 01 20 User Guide Chapter 4 Data Sources and Catalogs 4 2 2 4 1 Move items to the hidden list You can move data to the Nanometrics catalog hidden list in three ways Save data from a Nanometrics data server catalog to another data source The data in the original catalog is moved from the catalog to the hidden list as well as to the destination source Hide all triggers or events in a catalog Hide single triggers or events See also Section 4 2 2 3 4 Hide triggers on page 43 and Section 4 2 2 2 5 Hide events on page 42 4 2 2 4 2 Reveal hidden items clear the hidden list The Nanometrics catalog hidden list cannot be viewed but you can move data back into viewable catalogs by
86. d blank traces Save important events to a writeable data source an Earthworm database with Atlas Extensions or a SEED file before data are overwritten 4 2 2 2 1 Create a Nanometrics event catalog 1 Right click on the Nanometrics data server node and then choose New Catalog in the pop up menu Figure 4 8 on page 39 2 Click the Event tab 3 Set the criteria for events to be listed in the Nanometrics event catalog All events for any time period and all amplitudes Leave all options unselected gt Events for a time period Use either the Start Time and End Time fields or the Most Recent time period field and drop down list The Start Time oldest event and End Time most recent event options are in GMT time The Most Recent option will list all events that occurred in the defined time period For example to list all events in the last five days click on the checkbox beside Most Recent type 5 in the text box and choose days from the drop down list gt Events of a minimum amplitude for a defined time period Type the limit value in the Minimum Amplitude field 4 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 4 Data Sources and Catalogs 4 In the Catalog Name text box type in a name for the catalog This is the name of the catalog as it appears on the Catalogs panel 5 Click Ok to create the Nanometrics event catalog or click Cancel to discard the changes Atlas will open a connection with the
87. d remove all filters at once by applying an empty filter group 6 1 7 1 Remove a filter gt To remove a filter right click on the filter name Choose Delete filter in the pop up menu 14389R5 Atlas Version 1 2 75 2005 01 20 User Guide Chapter 6 Filters 6 1 7 2 Clear an applied filter list Applying an empty filter group can be used to clear a filter list quickly Create an empty filter group and apply it to the trace See also Section 6 1 1 Add a filter group on page 72 and Section 6 1 5 Apply existing filters on page 74 6 2 Filter options This section provides descriptions of the options for each filter type Basic S plane and Z plane Section 6 2 1 on page 76 Butterworth Section 6 2 2 on page 81 Instrument deconvolution IIR filters Section 6 2 3 on page 82 Instrument simulation Section 6 2 4 on page 82 Ground motion conversion Section 6 2 5 on page 83 Trend removal Section 6 2 6 on page 84 6 2 1 Basic filter With the Basic filter you can create an analog S plane or discrete Z plane filter using either poles and zeroes or coefficients for the transfer function There are settings com mon to all filters and specific options selectable under the tabbed pages in the Basic Filter dialog box Figure 6 5 Figure 6 5 Basic Filter dialog box 76 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 6 Filters 6 2 1 1 Settings common to al
88. d triggers that are not currently of interest You can work with Nanomet rics data servers over an Internet connection with an IP address and firewall permis sions Note Before you can save event data from a Nanometrics ringbuffer there must be a writeable database either an Earthworm database with Atlas extensions or a SEED file available to store the saved event data 4 2 1 Nanometrics data source options 4 2 1 1 You can create connections to Nanometrics data servers show previously hidden events and triggers view properties of a data server connection and remove connec tions to Nanometrics data servers Create a connection to a Nanometrics data source 1 Right click on the Data Sources node in the Catalogs panel and then click New Source in the pop up menu see Figure 4 1 on page 32 2 In the Select Data Source dialog box Figure 4 7 click the Nanometrics tab and then type the appropriate values for your system in the fields for Host Port User name and Password Hostis the name or IP address of the computer running the Nanometrics DataServer Port is defined in the DataServer configuration file it is typically 28002 User name and Password are defined in the DataServer configuration file 3 Click Ok to add the data source to the Catalogs panel tree 14389R5 2005 01 20 Atlas Version 1 2 User Guide 37 Chapter 4 Data Sources and Catalogs Figure 4 7 Create a Nanometrics data server c
89. dding Allows selecting what should be done at the edges of the trace when some numerator coefficients may be applied outside of the trace No Padding The results are thrown out The length of the fil tered trace is truncated by the number of numerator coefficients minus one Zero Padding The trace is padded with zeroes as needed The length of the filtered trace is the same as the length of the input trace Average Padding The trace is padded by the average trace value as needed The length of the filtered trace is the same as the length of the input trace 6 2 1 2 4 Continuous Filters Continuous or analog filters do not have additional settings in this release 14389R5 2005 01 20 Atlas Version 1 2 User Guide 79 Chapter 6 Filters 6 2 1 3 Filter implementation details Discrete coefficient filters are applied using this difference equation N M Doy k Y Cx k i Y Djy k j EQ 5 i 0 j l as found in most books on digital filtering Analog filters are implemented using FIR filters The frequency response of the analog filter is inverse Fourier transformed to obtain the impulse response The impulse response then forms the coefficients of the FIR filter that simulates the analog filter A suitable number of coefficients are chosen so that the impulse response is complete The settings listed in Table 6 5 affect this process You can edit these settings in the filter options dialog box Tools g
90. dia log box where you can define a data source 14389R5 Atlas Version 1 2 1 9 2005 01 20 User Guide Chapter 3 A Quick Tour of Atlas Figure 3 1 Create a new Earthworm data source atlas Seismic Data Analysis Tool Database User Password To save events you must have at least one Earthworm database or SEED file defined so your first database should be defined as an Earthworm database or SEED file Once you have defined the data source click Ok to connect to the data source A connection check is performed If the Earthworm data source is not found a warning will be dis played If the SEED data source is not found a dialog box will open providing the option to create a new SEED source The Catalogs window will now show an Earthworm icon gt that represents an Earth worm database you can connect to or a drive icon representing the path to a SEED file To make a new connection to a Nanometrics data server right click on the Data Sources folder and click New Source In the Select Data Source dialog box select the Nanomet rics tab and fill out the Host Port User and Password fields Figure 3 2 You will need the name or IP address of the machine that runs the Nanometrics data server The port is defined in the DataServer configuration it is usually 28002 The user name and password are determined during DataServer configuration Figure 3 2 Create a new connection to a Nanometrics data
91. e Chapter 8 Maps 8 3 5 View solution information You can view information about a solution display sub sets of data for a solution and view a different solution for the same event 8 3 5 1 View information about the current solution gt To view summary information about the epicentre move the mouse pointer over the epicentre marker Epicentre information will be displayed in the Summary panel gt To view all available information about the solution use either of these methods gt Double click the epicentre marker Right click the epicentre marker and then choose View Complete Solution in the pop up menu A solution details dialog box Figure 8 8 will display solution information with options to view additional details such as arrivals w To open the solution in the Atlas window click the epicentre marker Figure 8 8 Solution details 8 3 5 2 View a subset of solution data In the data settings toolbar you can choose different data setting subsets from the drop down list Figure 8 9 See Section 8 5 2 Customise the seismic event dis play on page 108 for information on customising data settings Figure 8 9 Choose solution data settings 1 00 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 8 Maps 8 3 5 3 View another solution for the event If more than one solution has been located for the event you can open another of the solutions in the map window using the Solutio
92. e line then the station magnitude will be parsed and saved by Atlas This code is set with the command XC1 in the At las hyp file A 3 How Atlas uses Hypoinverse There are several avenues to locate an event To locate interactively press the locate button on the toolbar or right click on a solution and choose locate The contents of the input file will be shown for editing and the output of Hypoinverse will pop up in a sep arate window if these options are chosen To turn either of these options on or off choose Tools gt Customize location or use the checkbox options on the panels Hypoinverse is also called for all unlocated solutions in an event before saving to a database if hypoinverse fails the solution is not saved If no solutions are saved the event will be saved as an unlocated event See also Chapter 5 The main reason that hypoinverse would fail is not enough valid picks To be valid a pick time must be within 6 minutes of all other pick times The location of the stations must be fairly close together The DAM command sets the minimum distance of the sec ond closest station The default is 250km This command is in the Atlas hyp file The pick will also not be used by Hypoinverse if the station is not in the station file defined by the STA command In addition to these restrictions if the H71 command is setto 1 3 3 then the time and location in the first line of the input file is used as the initial origin by Hypo
93. e value as needed The length of the filtered trace is the same as the length of the input trace 1 Such as Equation 3 1 Digital Filters Theory and Applications N K Bose Elsevier Sci ence Publishing Co Inc 1985 8 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 6 Filters Figure 6 6 Filter options dialog box atlas Seismic Data Analysis Tool 2t atlas Options Options These settings are used when generating FIR filters that D display 2 simulate S plane filters The process involves determining D events i when enough points have been used so that the impulse D response ofthe filter is nottruncated prematurely E locati Maximum FIR size 256 v D directories FIR cut off of peak 0 01 Pare tapas 7 6 2 2 Butterworth filter g Note To create a band pass filter add a low pass and a high pass filter to the filter group in any order This option implements a standard Butterworth filter The Butterworth filter is imple mented by generating a continuous poles and zeroes filter with poles equally spaced in the left side of the S plane The number of poles equals the order of the filter the length of the poles equals the corner frequency in radians and there is an equal number of zeroes added if the filter 1s high pass Table 6 6 Butterworth filter settings Setting Description Low Pass High Pass Select either a low pass or a high pas
94. e a new solution siai seoa eiaa aa a a A a e aa ao a A A 104 Copy the currently active solution s a sanaaa 104 Locate the sol tlofhi soo reoaine ire eM eed wale adie el gre dial eae QR A SA 104 Set the current solution as the preferred solution 220000000 105 Set the current solution as the reference solution 220000000 105 Copy the reference solution llli seh 105 Edit the solution comment 0 00 00 e eee eee eee 105 Delete the currently active solution llli 105 EditipiCkKS eu ic Jota bed pa anda tbe Pee e beh d reip Att Ad odes 105 Edit phase picks si vega Ge cae eign A hee ed 105 Edit amplitude picks llli 105 Enable disable or delete picks for a channel 00 00200e0eeaee 106 Customising map and event displays liil eee 106 Customise the map file display 02000 c cece ete eee 106 Open the map file display settings 0 2000 106 Change the order of maps displayed 0 000 cece eee eee 107 Change the display settings for a map 0 0 0 cece eee ee 107 Customise the seismic event display liliis 108 About data settings groups 0 0 ee n 108 Open the seismic event data settings lili 109 Change a data settings group name 1 6 eee 110 Select data display options liliis 110 Station display settings illie 111 Epicenter and Reference E
95. e an identical copy of the reference solution and add it to the event gt To make a copy of the reference solution click the Copy reference solution button on the Solutions toolbar 5 3 9 Copy a solution Copying a solution will create an identical copy of the solution and add it to the event This is recommended if the original solution should be preserved gt To make a copy of the currently active solution use either of these methods Right click the solution node to open the pop up menu and then choose Copy Solution Figure 5 9 on page 56 Click the Copy solution button on the Solutions toolbar 5 3 10 View a different solution for the event The active solution is displayed as the highlighted solution node and as the solution name at the top of the Solution drop down list Figure 5 10 gt To select a different solution as the active solution use either of these methods gt Click on the solution node gt Click on the solution drop down list and click on the name of the new solution All picks displayed on the current event will reflect the new solution Figure 5 10 Select a different solution atlas Seismic Data Analysis Tool 2001 11 29 14 35 25 Mal 44 35 24 0920 Event 2001 11 29 14 35 75 Mag U U Solutions gt Id p11 4 35 25 0360 2 Select a different solution with either the o Wy 14 35 24 0820 lt m drop down list or the node
96. e data source and attempt to gather data that meet the criteria If the data source is unavailable or if some of the database connect settings are incorrect a warning will be displayed 4 1 2 3 Update an Earthworm event catalog gt Right click on the Earthworm event catalog and then choose Refresh in the pop up menu 14389R5 Atlas Version 1 2 35 2005 01 20 User Guide Chapter 4 Data Sources and Catalogs New events and modified existing events that meet the catalog criteria will be added to the catalog 4 1 2 4 Modify an Earthworm event catalog 1 Right click on the Earthworm event catalog and then choose Modify Catalog in the pop up menu 2 Edit the options for the time period epicentre depth and magnitude as required to reflect the new selection criteria for the catalog For a description of the options see Section 4 1 2 2 step 2b 3 Click Ok to save the changes to the catalog To discard the changes click Cancel 4 1 2 5 Copy events from an Earthworm event catalog 1 Right click on the catalog node and then choose Copy all events to in the pop up menu 2 Choose the destination to copy the events in the pop up list of data sources Figure 4 6 A Copying events from source to destination dialog box will show the progress of the copy function 3 When the events have all been copied to the destination data source click OK Figure 4 6 Copy events from an Earthworm catalog 1 Data Sources
97. e instrument response this limits the peak value of the response of the inverse filter outside the passband The filtered trace thus becomes the ground motion measured by the instrument For instance if the instrument measured velocity the filtered trace will be the actual ground velocity See Table 6 7 Table 6 7 Inverse instrument response filter settings Setting Description Waterlevel Sets the minimum absolute value as a percentage of peak value the instrument response is allowed to drop to Lower Cutoff Hz Sets the lower cutoff frequency for the inverse instrument filter Upper Cutoff Hz Sets the upper cutoff frequency for the inverse instrument filter Figure 6 8 Inverse Instrument Response filter dialog box xl vi WWaterlevel 150 7 Lower Cutoff Hz j Upper Cutoff Hz 6 2 4 Instrument Simulation filter The Instrument Simulation filter attempts to simulate the response of another instru ment It deconvolves the instrument response of a trace into ground displacement and then applies the instrument response of another instrument If the passband of the target instrument is within the passband of the original instru ment the final trace will be the trace that would have been obtained by the target instru ment should that instrument have observed the ground motion However if the 3 See page 148 Of Poles and Zeros Frank Scherbaum Kluwer Academic Publishe
98. e the SEED event catalog To discard the changes click Cancel 14389R5 Atlas Version 1 2 1 7 2005 01 20 User Guide Chapter 2 Setting Up A New Installation 1 Atlas Version 1 2 14389R5 User Guide 2005 01 20 A Quick Tour of Atlas This chapter provides a basic overview of how to use Atlas to load locate and save earthquake events using an Earthworm database and a Nanometrics data server and to refine solutions using map utilities See the chapters in Part 2 Working with Atlas for detailed procedures 3 1 Starting Atlas for the first time Atlas can be used to load view locate edit annotate and save packages of seismic data events Atlas uses catalogs to organise events stored in data sources Before you can access and examine data you must first set up a data source and a catalog structure to load and store event data steps 1 and 2 below You can use the map utilities to refine solutions Define data sources Define catalogs Edit solutions Locate solutions Save events and solutions NAF Ye NY Refine solutions with the map utilities 3 2 Define data sources When you start Atlas for the first time the tabbed panel on the left will display the Cat alogs tab containing an empty folder called Data Sources To define a data source right click the empty Data Sources folder in the Catalogs panel and then choose New Source from the pop up menu Figure 3 1 This will open the Select Data Source
99. e tree will be drawn superimposed on maps listed higher on the tree For example in Figure 8 17 call jpg will be drawn on top of world shp 1 Click and drag the map file node to a new position on the file tree to change the map display order 2 Click Update to redraw the maps using the new ordering and click Ok to close the map settings dialog box 8 5 1 3 Change the display settings for a map The options for changing map display settings depend on the map file format gt Change map file display settings using options listed in Table 8 1 and then either Click Update to redraw the map using the new settings without closing the map file settings dialog box Click Ok to close the map file settings dialog box and redraw the map using the new settings Note Changes to image files will force them to be recalculated and redrawn If the image files are being projected this may take a long time See also Section 8 3 6 Change the map projection on page 101 Table 8 1 Map file display options Option Description Visible Click this option to select whether the map is drawn v or not drawn E in the map window 14389R5 Atlas Version 1 2 1 07 2005 01 20 User Guide Chapter 8 Maps Table 8 1 Map file display options Continued Option Description Transparency Use the Transparency level to set the transparency of a map from opaque to fully translucent Translucent maps will show wh
100. e using a Channel type catalog There are no programmed limits However getting more than a few minutes will take a long time Also you may exceed the memory limits of the machine For Atlas support contact Nanometrics Please include a detailed description of the problem Nanometrics Inc 250 Herzberg Road Kanata Ontario Canada K2K 2A1 Email support nanometrics ca Fax To Support 613 592 5929 14389R5 Atlas Version 1 2 2005 01 20 1 37 User Guide Appendix D Troubleshooting 1 3 Atlas Version 1 2 14389R5 User Guide 2005 01 20
101. ect Data Source xj File Name Atlas Version 1 2 1 3 User Guide Chapter 2 Setting Up A New Installation 3 Type in the path and file name of the SEED file or click the Browse button to search the file system 4 Click Ok to add the SEED file data source to the Catalogs panel tree Atlas will open a connection with the data source and attempt to gather data that meet the criteria If the data source is unavailable or if some of the database con nect settings are incorrect a warning will be displayed Once the source has been added to the Catalogs panel it will appear under the Data Sources node as a SEED data source 2 3 3 Connect to a Nanometrics data server 1 Right click on the Data Sources node in the Catalogs panel and then click New Source in the pop up menu see Figure 2 4 on page 13 2 In the Select Data Source dialog box Figure 2 7 click the Nanometrics tab and then type the appropriate values for your system in the fields for Host Port User name and Password Hostis the name or IP address of the computer running the Nanometrics DataServer Port is defined in the DataServer configuration file it is typically 28002 User name and Password are defined in the DataServer configuration file 3 Click Ok to add the data source to the Catalogs panel tree Figure 2 7 Create a Nanometrics data source connection x Host Port 28002 User
102. ed procedures Atlas uses three types of data source to store event data Earthworm compatible data bases Nanometrics data servers and SEED files Atlas uses data groupings called cat alogs to organise events channels and triggers You can create and remove data sources and catalogs as needed and modify catalogs Creating and removing data 8 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 2 Setting Up A New Installation sources and catalogs and modifying catalogs essentially means modifying the connec tion definitions through which Atlas accesses the stored data The initial Atlas setup includes an empty Data Sources folder To use a new installation of Atlas you need to do three things 1 Set up a data source and catalog structure to load and store event data 2 Define data sources 3 Define catalogs within the data sources to list event data 2 2 1 Data sources Atlas can access three types of data source Earthworm compatible databases Nano metrics data servers and SEED files Note For Atlas using Oracle connections Before you can access a particular database you need to use an Oracle assistant to list the database in your Oracle settings See the sections in the Atlas Installation and Mainte nance Guide on adding a database to the client 2 2 1 1 Earthworm compatible databases Earthworm compatible databases provide the capacity to store and retrieve events over a local network or an
103. elayApplied rGainOrSensitivity rGainFreq rFrequency usType szDesign usNumTerms usDenTerms rtmLoadDate pszDBComment Coefficients 43 4 6 input units description 43 4 7 output units description 43 8 seed optional to normalize 43 9 seed optional With 43 8 47 5 input sampling rate 47 6 Sampling decimation factor 47 7 decimation offset 47 8 stage delay time nominal 47 9 applied stage delay 48 5 stage sensitivity or gain 48 6 frequency of stage gain meaning depends on NMX type NMX response type 0 through 8 how filter was designed number of zeros or numerators number of poles or denominators date loaded into the database database comment as specified above COUNTS COUNTS 1 000000 ab 6000 000000 ooo 00000 e POrFrRrFrF OOO WW o 30 0 Aug 03 2001 01 29AM 6 587914e 005 1 899969e 004 4 827186e 005 1 216777e 003 2 457607e 003 5 687041e 004 6 495283e 003 1 294971e 002 5 449010e 003 2 159296e 002 4 696462e 002 2 711075e 002 6 566507e 002 2 029431e 001 3 061833e 001 usStageNumber ulStageKey usSeedBlockette szName chSeedType szInputUnits szOutputUnits rNormFactor rNormF req rinSamSec usDecimation usDecimationOffset rDelayEstimate rDelayApplied rGainOrSensitivity rGainFreq rFrequency usType szDesign usNumTerms usDenTerms rtmLoadDate pszDBComment Coefficients 2 377585e 005 5 718979e 006 3 423591e 005 3 4 393138e 005 7 445012e 005 3 356967e 005 1 277561e
104. en a power spectra plot window Js 50s EN e 40s 20s 30s lt Right click the trace with the marked region choose Spectra and choose a new or an existing plot window Delete trace Add all traces from gt Add traces with triggers from gt Sand Display Trace Information Instrument Response gt Spectra 3 Select the data window plot settings from the Spectra Options dialog box and then click Ok to plot the spectrum Figure 7 3 e Window Type Selects the data window type None Hanning Parzen or Welch See also Section 7 1 Power spectrum calculation on page 89 e Window Size Selects the number of data points per window Figure 7 3 Spectra Options dialog box x Channel STNO1 BHZ Data Points 1635 4 Choose the data window type and size from the drop down Window Type Hanning Y lists The Channel field displays the channel name and the number of points used to calculate the power spectrum Window Size 512 gt 7 3 2 Change or reset the data range view The data range displayed on the power spectrum graph can be adjusted and can then be reset to the default view Figure 7 4 Offset axes Click and drag the graph to offset the vertical and horizontal axes 7 3 2 2 Zoom in gt Right click and drag to select a region to zoom in on 7 3 2 3 Reset view gt Inthe View menu click Reset View to reset offset axes and zo
105. ent menu that is available when an event is open and selected Table 2 5 File menu options Option Function Save Save the active event in the current location Save As Save the event to a different database Save All Save all of the open events in the current location Close Close the active event window event name Load the event shown in the list of recently accessed events Exit Close Atlas with the option to save events that were changed during the session Table 2 6 View menu options Option Function Toolbar Click the toolbar name in the list of options Event Solution and Tool toolbars to toggle display of the toolbar on or off Toolbars display along the top of the Atlas main window Table 2 7 Event menu options Option Function Create Bulletin Create an HTML page summarising the event that is currently selected on the event desktop Edit Comment For events in an Earthworm database with Atlas extensions add new comments to events and edit existing comments Export to Y Files Export trace data for the selected event to Y files Sort Traces By Sort traces in the event window either by station name or by phase time 14389R5 2005 01 20 Atlas Version 1 2 7 User Guide Chapter 2 Setting Up A New Installation Table 2 8 Tools menu options Option Function Customize Use the Atlas Options dialog box Figure 2 3
106. enu choose Add all traces with trig gers from data source 5 1 7 2 Add selected trigger data 1 Ensure that the event you want to use is open and selected on the Event desktop 2 Click to open nodes in the catalog tree to see the trigger you want to use Figure 5 3 on page 50 Databases gt Nanometrics data source gt catalog 3 Double click on the channel node Atlas will attempt to load the trace data from the channel The trace trigger will be added to the event with a pick at the start of the anomaly 5 1 8 Rename an event You can rename events in an Earthworm database with Atlas Extensions Click on the highlighted event node type in a new name and press Enter to accept the changes To discard the changes click on a node outside the selected event name 5 2 Event save and copy options Table 5 1 lists options for saving and copying events Table 5 1 Options for saving and copying events Option Description Save Save the event that is currently open and selected If it is a read only data source this option will act as Save As if there is a writeable data source defined Click the Save button I on the main toolbar gt Choose Yes in the Save dialog box when closing Atlas or closing an event where the event has changed Save As Save the event currently open and selected as another event select Save As in the File menu Save All Save all open events that have been changed before
107. ers including the target filter 6 1 5 2 Apply a filter group Note A filter group can only be applied to a trace if the first filter in the group can be applied to the trace A filter cannot be applied to a trace if the filter sam pling rate does not match that of the trace but filters with a sampling rate of O can always be applied Applying a filter group will replace the list of currently applied filters with the new fil ter group You can apply a group to all traces in an event or to a single trace gt To apply a filter group to all traces in the currently selected event right click on the filter group you want to apply and then select Apply to All Traces from the pop up menu If the trace can be filtered by the filter group the trace will have the filter group applied to it gt To apply a filter group to the selected trace use either of these methods gt Right click on the filter group and then choose Apply to Trace from the pop up menu gt Drag and drop the group onto the trace or onto the applied filter group panel 6 1 6 View and edit filter properties You can view the properties of a filter and edit the filter properties gt Right click on the filter name In the pop up menu choose Filter properties This opens the filter properties dialog box for that type of filter in which you can view and edit the properties 6 1 7 Remove filters You can remove a single filter from anywhere in the filter group an
108. esenting a minimum and a maximum value depending on the value of the piece of information being displayed One piece of information per data settings group can be displayed with this symbol option Editable attributes Line thickness colours for minimum and maximum values Shape The shape of the station symbol can be associated with a specific value for the piece of information being displayed for example an up triangle to represent first motion a square to represent unknown Click Ok after setting each shape in the set for a data type Pieces of information that have specific states such as true or false up or down can be displayed with this symbol option One piece of information per data settings group can be displayed with this symbol option Editable attributes Select a shape from any of up triangle A down trian gle Re square El square with a top hat ES or square with a bottom hat LA Symbol Size The size of the station symbol varies as a function of the value of the piece of information being displayed One piece of information per data settings group can be displayed with this symbol option No editable attributes Line A line is drawn from the current epicentre to each station The length of each line is determined by the piece of information being displayed One piece of information per data settings group can be displayed with this symbol option Editable attributes Colour 8 5 2 4
109. et the criteria for events to be listed using the options in the Temporal Epicenter and Other panels see Section 4 1 2 2 on page 35 for a descrip tion of the options 3 In the Catalog Name text box type in a name for the catalog replace the Unnamed default This is the name of the catalog as it appears on the Catalogs panel 4 Click Ok to create the name of catalog events catalog To discard the changes click Cancel Atlas will open a connection with the data source and attempt to gather data that meet the criteria If the data source is unavailable or if some of the database connect settings are incorrect a warning will be displayed 14389R5 Atlas Version 1 2 1 5 2005 01 20 User Guide Chapter 2 Setting Up A New Installation 2 3 4 2 Create a Nanometrics catalog Use this procedure to create a Nanometrics event catalog For information on creating channel and trigger catalogs see Section 4 2 2 Nanometrics data server catalog options on page 38 Caution All trace data and triggers are reloaded from the ringbuffers when an event is opened Therefore once the trace data expires from the ring buffers events will load blank traces Save important events to a write able data source an Earthworm database with Atlas Extensions or a SEED file before data are lost 1 Right click on the Nanometrics data server node and then click New Catalog in the pop up menu Figure 2 9 Figure 2 9 Open the Nanome
110. ew Earthworm data source 00 000 cee tee 20 3 2 Create a new connection to a Nanometrics data source 20 2 20055 20 3 3 Create an Earthworm catalog o ooccooccccncoco ete 21 3 4 Create a new Nanometrics catalog 0 0 ee ees 22 3 5 Event window trace panels and toolbars o oooocoocoooo ooo 22 3 6 Solutions panel for anevent liliis 23 3 7 Hypoinverse results WiINdOW 0 6 ee 24 3 8 Save To Data Source dialog DOX 1 2 ees 25 3 9 Map Window 5 s utes qb ep US Ae ad Stas beta Ibid qe OS 25 3 10 Seismic Event Display Settings dialog box 0 6 eee 26 3 11 Choose data to display dialog DOX oooocooocccoocc eh 27 3 12 Set the station symbol type 0 0 0 tee 27 3 13 Station with a large P pick residual 2 00 cee ee 28 4 1 Create a New Source illis 32 4 2 Create an Earthworm Data Source connection illl eee eee 32 4 3 Unlock Database Events dialog box lsssslseleele eres 33 4 4 Create a new Earthworm catalog 0 eh 34 4 5 Catalog dialog box to create Earthworm catalogs 0 200 eee oo 34 4 6 Copy events from an Earthworm catalog tees 36 4 7 Create a Nanometrics data Server connection eaer 38 4 8 Create a catalog for a Nanometrics data source 0000 eser 39 4 9 Create a connection to a SEED file 0 02202 ee 44 5 1 Open Customize options
111. exiting Atlas select Save All in the File menu 14389R5 Atlas Version 1 2 53 2005 01 20 User Guide Chapter 5 Event Data Table 5 1 Options for saving and copying events Continued Option Description Copy all events to Save all events from a catalog in one data source to another data source either an Earthworm database with Atlas extensions or a SEED file For Nanometrics data sources copied events are also moved to the hidden list Select the Copy all events to option in the data source event catalog menu For example atlas Seismic Data Analysis Tool Data Sources ppp glenns a testa 0 E Diseed_filesisample seed gt ZZ al Copy event to Save an event from a catalog in one data source to another data source either an Earthworm database with Atlas extensions or a SEED file For Nanometrics data servers the copied event is also moved to the hidden list Select the Copy event to option in the event menu For example atlas Seismic Data Analysis Tool 9 Data Sources 9 Pp glenns e All channels g temp Z 2002 0 Q 7h testa E o ZZ EW2day e za June20 5 3 Solution options An event is located by creating a solution New solutions can be located for example after adding or editing data and multiple solutions can be stored for the event You can refine solutions using options variously available through map objects pop up menus and the solution tool
112. filters group to a saved filter group drag and drop the filter into the saved filter group 72 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 6 Filters 6 1 2 1 Create a filter in the saved filter groups list Filters in a saved filter group are available to be applied to traces open in the current session and can be applied to traces in future sessions 1 Right click on the desired filter group in the Saved Filter Groups panel Figure 6 2 and then choose New Filter from the pop up menu Figure 6 2 Filter group menu lala 9 a Saved Filter Groups a zu Apply To All Traces New Filter Load FREN Rename Remove Filter Group 2 Inthe Select Filter dialog box click to select the type of filter that you want to cre ate Figure 6 3 Figure 6 3 Select Filter dialog box Select Filter x Basic Filter Butterworth Instrument Response Inverse Instrument Response Instrument Simulation Special Motion Trend Removal 3 Set the filter parameters See Section 6 2 on page 76 for descriptions of the options for each filter type 4 Click Ok in the filter dialog box to create the filter This will add the filter to the Saved filter group 6 1 2 2 Create a filter in the applied filters list Filters created in the applied filters group for a trace are applied immediately to the selected trace and are available to be applied to other events in
113. fore locat ing the solution 5 4 4 5 3 Set the trial depth gt To set the trial depth type a positive value in the Trial Depth field The default depth is 7km 5 4 4 5 4 Fix the initial depth To fix the depth value as the initial depth for location calculation to the depth in the text field select Fix Depth Hypoinverse will always use this value as an initial depth unless a depth is set in the summary line and the Set Initial Conditions is selected 5 4 4 6 Accept Hypoinverse setting changes To write all changes shown on the Hypoinverse Settings Editor window click OK To discard all changes click Cancel all changes This will edit the files hypinst and Atlas hyp The file hypinst will be changed if the main command file is changed Atlas hyp will be changed only in the interval between the lines KA E A A HH Atlas Content t and Atlas Content Ended t 5 4 4 7 Restore default Hypoinverse settings Note Restore Defaults is not the same as Retrieve Original Hypoinverse Setup which overwrites all files see Section 5 4 4 8 To restore the default setting for an item click the associated Default button gt To restore the default setting for all of the items click Restore Defaults This is equivalent to pressing all the i
114. g To discard the changes click Cancel 4 2 2 2 4 Copy events from a Nanometrics event catalog 1 Right click on the catalog node 2 In the pop up menu choose Copy all events to 3 Inthe pop up list of data sources choose the destination to copy the events Figure 4 6 on page 36 A Copying events from source to destination dialog box will show the progress of the copy function 4 When the events have all been copied to the destination data source click OK 14389R5 Atlas Version 1 2 41 2005 01 20 User Guide Chapter 4 Data Sources and Catalogs 4 2 2 2 5 Hide events You can hide single events or all events in a Nanometrics event catalog To hide a single event right click on the event and in the pop up menu choose Hide event gt To hide all events in a catalog right click on the event catalog and in the pop up menu choose Hide all events in catalog 4 2 2 2 6 Clear a Nanometrics event catalog You can clear a Nanometrics event catalog either by moving the events to the hidden list or by saving all events to another database that has a catalog defined to accept the events 1 Right click on the event catalog 2 In the pop up menu click either Hide all events in catalog or Save all events to data source name 4 2 2 2 7 Delete a Nanometrics event catalog gt Right click on the event catalog and then in the pop up menu choose Delete Cata log The catalog will be removed without promptin
115. g for confirmation 4 2 2 3 Trigger catalog options Trigger catalogs list picks from Nanometrics data servers The triggers are detected automatically by Nanometrics Nags Individual channels may experience spikes and generate triggers when enough channels trigger within a short enough time space events are generated Only the trigger times are listed in a trigger catalog P 4 Note Trace data are reloaded from the data ringbuffer files every time the trig ger is opened Therefore as older trace data are overwritten in the ring buffers triggers will load only blank traces in Atlas You can create modify and update trigger catalogs You can hide the list of triggers in a catalog and delete trigger catalogs 4 2 2 3 1 Create a trigger catalog 1 Right click on the Nanometrics data server node and then choose New Catalog in the pop up menu Figure 4 8 on page 39 2 Click the Trigger tab 3 Set the criteria for triggers to be listed in the Nanometrics event catalog gt All possible triggers Leave all options unselected gt Triggers for a specific time period Use either the Start Time and End Time fields or the Most Recent time period field and drop down list The Start Time oldest trigger and End Time most recent trigger options are in GMT time 42 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 4 Data Sources and Catalogs The Most Recent option will list all triggers that occurred in the defined
116. gnored Magnitude picks are duration or amplitude picks Duration picks are set with a Shift click if the D on the toolbar is selected The pick will only be used if a corresponding P pick is set for the trace Amplitude picks are set on the trace with a Shift click if the A on the toolbar is selected A red brown pick will appear on the nearest peak To set a period drag the pick to another peak The actual amplitudes of both peaks will determine the amplitude of the pick If only one pick is set the second amplitude will be calculated by this relation amplitude2 amplitudel 2 amplitudel meanAmplitude which doubles the zero to peak amplitude The amplitude used in Hypoinverse will be the absolute value of the difference between amplitudel and amplitude2 The period will be blank if only one pick is used and 2 the time difference if two picks are used The unit flag is set to 0 for peak to peak in mm The mm unit is ignored if the instrument type is greater than zero The instrument type may be setin the UserStation hinv file but it may be reset in the amplitude magnitude correction called with the XMC com mand see p 23 of Hypoinverse Documentation The instrument types available are listed on p 50 table 2 of the same document If the instrument type is set to zero Hypoinverse assumes the amplitude is the peak to peak amplitude in mm of a Wood Anderson instrument If instrument response is avail able Atlas allows the c
117. he changes 1 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 2 Setting Up A New Installation Atlas will open a connection with the data source and attempt to gather data that meet the criteria If the data source is unavailable or if some of the database connect settings are incorrect a warning will be displayed 2 3 4 3 Create a SEED catalog 1 Right click on the SEED file node and then click New Catalog in the pop up menu Figure 2 10 Figure 2 10 Create a SEED catalog Ls PEER z 4 Atlas Seismic Data Analysis Tool Catalog a xi Catalog ne Unnamed 1 Data Sources ofp alenns T testa e m 2 Inthe SEED Catalog dialog box set the criteria for events to be listed in the SEED event catalog gt To list all events leave all options unselected gt To list events for a specific time period use either the Start Time and End Time fields or the Most Recent time period field and drop down list The Start Time oldest event and End Time most recent event options are in GMT time The Most Recent option will list all events that occurred in the defined time period For example to list all events in the last five days click on the checkbox beside Most Recent type 5 in the text box and choose days from the drop down list 3 Inthe Catalog Name text box type in a name for the catalog This is the name of the catalog as it appears on the Catalogs panel 4 Click Ok to creat
118. he capacity to store and retrieve events over a local network or an Internet connection You can create and remove connections to the database view the database properties and unlock events Within the Earthworm data source you can create and remove catalogs for located events and for unlocated events update catalogs and copy events to other data sources Note The Earthworm database is read only if it does not have Atlas Extensions See the Atlas Installation and Maintenance Guide for information on cre ating an Earthworm database with Atlas extensions and for adding Atlas extensions to an existing Earthworm database 14389R5 2005 01 20 Atlas Version 1 2 31 User Guide Chapter 4 Data Sources and Catalogs 4 1 1 Earthworm data source options You can create connections to the database view the database properties unlock events and remove connections to the database 4 1 1 1 Create a connection to an Earthworm database 1 Right click on the Data Sources node in the Catalogs panel and then click New Source in the pop up menu Figure 4 1 Figure 4 1 Create a New Source atlas Seismic Data Analysis Tool mM a m eft eme TN J Catalogs fitters 9 Y Data So Tare Right click the Data Sources node and click New PUP gle SSO Source to open the Select Data Source dialog box test gt o testa o 3 Diseed_filesisample seed 2 In the Select Data Source dialog box click the
119. he list of events in an event F 2001 10 31 15 17 12 Mag 5 58 catalog 7 2001 10 30 19 44 03 Mag 2 46 5 1 3 Load channel data in a new event 1 Click to open nodes in the catalog tree to see the channel you want to use Figure 5 4 Data Sources gt Nanometrics data source gt channel catalog 2 Open a channel by either of these methods gt Right click on the channel name and choose Open in new event Click anywhere on the Event desktop to deselect all open events and then dou ble click on the channel name 50 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 5 Event Data Figure 5 4 Load a channel from the catalog tree X atlas Seismic Data Analysis Tq 9 J Data Sources 9 PPP glenns ZZ NMX2days we Channels STNOS BHZ ae STNOG B STNO BHZ STNOS BHZ STNO9 BHZ gt o testa f E IS Atlas will search for available data for the channel The Enter Time Period for Channel dialog box will open Figure 5 5 providing the option to load trace data from the channel into a new event Figure 5 5 Enter Time Period for Channel dialog box Enter Time Period for Channel STNO2 BHE xj Available data 2002 08 19 14 01 56 to 2002 08 20 20 13 05 Starttime Date 2002lyr 8 m ojd Time ish 1_Im els Duration 1 minutes v Ok Cancel Note There are no programmed limits as to how much data can be retrieved but large amounts of dat
120. hical display of stations and epicentres with various attributes of the event see which stations contributed to the solution make adjustments calculate a new solution and compare with another solution Load and display maps that use any of several file formats ArcInfo ESRI shape files DTED Raster files JPEG and GIF e Apply various projections Mercator Lambert Conformal Conic Stereographic Identity projection no projection Customise map data settings almost any aspect of an event can be shown be it a P pick residual or a magnitude using a variety of widgets Refine solutions with the interactive station and solution options Doaspectral analysis of any trace or trace segment Easily create HTML bulletins to view and distribute summaries of events 1 2 About this User Guide This guide provides overview information detailed procedures and reference informa tion Information about system requirements software versions installation instruc tions and database maintenance instructions are included in the separate Atlas Installation and Maintenance Guide Part 1 Getting Started provides basic procedures for setting up a new installation and an introductory tour of the main features Chapter 1 Introduction an overview of Atlas and this user guide Chapter 2 Setting Up A New Installation an overview of the steps required to do a basic setup of a new installation of Atlas Ch
121. ide 12 14389R5 2005 01 20 Appendix C Response File Format chSeedType szInputUnits szOutputUnits rNormFactor rNormF req rinSamSec usDecimation usDecimationOffset rDelayEstimate rDelayApplied rGainOrSensitivity rGainFreq rFrequency usType szDesign usNumTerms usDenTerms rtmLoadDate pszDBComment Coefficients 43 4 5 type of stage A B C or D 43 4 6 input units description 43 4 7 output units description 43 8 seed optional to normalize 43 9 seed optional With 43 8 47 5 input sampling rate 47 6 Sampling decimation factor 47 7 decimation offset 47 8 stage delay time nominal 47 9 applied stage delay 48 5 stage sensitivity or gain 48 6 frequency of stage gain meaning depends on NMX type NMX response type 0 through 8 how filter was designed number of zeros or numerators number of poles or denominators date loaded into the database database comment as specified above A V COUNTS 1 000000 an 30000 000000 0 0 880330e 005 e EoCoE LOEO e 0 0 Aug 03 2001 01 29AM 0 000000 usStageNumber ulStageKey usSeedBlockette szName chSeedType szInputUnits szOutputUnits rNormFactor rNormF req rinSamSec usDecimation usDecimationOffset rDelayEstimate rDelayApplied rGainOrSensitivity rGainFreq rFrequency usType szDesign usNumTerms usDenTerms rtmLoadDate pszDBComment Coefficients response list stage number unique database stage key 43 4 1 SEED blockette equivalent 43
122. ile Figure 8 3 2 In the Select Map File dialog box enter the path and name of the file Figure 8 3 Load a map file EJ Load Map File Map File Settings Print Map 8 2 2 2 Load a map using the File Settings dialog box 1 Inthe map File menu choose Map File Settings 9 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 8 Maps 2 In the Map File Settings dialog box Figure 8 4 right click on the Map Files node and then choose Load new map from the pop up menu 3 In the Select Map File dialog box enter the path and name of the file Figure 8 4 Load a new map x I Map File ull world oad new map 8 2 3 Locate a raster map Raster map files with a JPG or GIF extension are usually created with scanned maps of an area Once loaded the map may need to be located geographically Atlas uses two assumptions when locating a raster map The map is not projected that is the separation between lines of longitude and the separation between lines of latitude remain constant throughout the map though the two constants do not need to be identical Lines of latitude run horizontally and lines of longitude run vertically If this is not the case you can rotate the map using an image editing program before load ing the map Once the raster map has been located a file with the same name as the map file but with the extension Loc will be created in the same directory
123. ile HypoAt lasOut in the same direc tory is an arc file produced by Hypoinverse and parsed by Atlas The format of both files is the same and is described in detail in the docs hyp2000 1 0 mentioned 14389R5 2005 01 20 Atlas Version 1 2 User Guide 1 1 9 Appendix A Hypoinverse in Section A 1 The contents of the files represent the last run of Hypoinverse Details of how Atlas parses the output are discussed in Section A 3 The initial Hypoinverse setup is a simplified version of the setup shipped with Earth worm 6 0 The files are located in user hypoinverse The file hypinst invokes the command file At las hyp that gives Hypoinverse the station list the station cor rections and delays the crustal model or models and what magnitudes to calculate As auser you probably should become familiar with this file as it gives you complete con trol over what Hypoinverse calculates The commands H71 STA WET ZTR DIS and RMS as well as the name of the crustal model command file may be edited using the Hypoinverse Settings Editor Access the editor with the Tools gt Customize location Edit Hypoinverse Settings button or with the Edit HypoSettings button on the pre locate dialog See Section 5 4 4 on page 64 for details Anything outside the Atlas Content bars may be edited If you edit within the bars unforeseen effects may occur Atlas hyp has a few items important to Atlas but for the most part may
124. inverse The arrival times must be within 6 minutes of the summary time and at least some station locations must be within 250km of the trial origin if the DAM command is left to default This precludes teleseismic events from being analyzed by Hypoinverse Lastly Hypoinverse may fail if the format is not followed precisely If the input file is edited incorrectly Hypoinverse may fail Any failure will be reported in the output screen A failed attempt will not affect the solution in memory To locate an event Atlas constructs an input file called HypoAt las In that gives Hypoinverse an initial time and possibly initial location as well as station phase and magnitude information The contents of this input file may be edited just before locat ing Hypoinverse calculates the location and magnitude then writes to a file called HypoAtlasOut Both input and output files are overwritten each time Hypoinverse is called HypoAtlasIn starts with a summary line which holds an initial time and if availa ble a location The time is the current time of the event of the solution or if not defined the time of the earliest pick The location is left blank unless the previous solution con 14389R5 2005 01 20 Atlas Version 1 2 User Guide 1 2 1 Appendix A Hypoinverse tains that information In addition the summary line contains the number of phases as well as the ID of the event if the event is in the database The ph
125. ion that cannot be stored in a SEED file includes Duration phases e Amplitudes Event and solution names Event and solution comments Station magnitudes Some of the detail information in an origin Only current instrument response information can be saved historical response information is not maintained Only information used by Atlas is stored in a SEED file This means saving to a SEED file that contains information Atlas does not use will cause that information to be lost from the SEED file Very large SEED files files larger than 20 MB can be quite memory intensive on the Atlas client and may be slow for various operations The catalog options are more limited than for other data source types 2 2 1 4 Read write features of data sources The read write characteristics for each type of data source and which aspects of write able databases are editable for example event names are listed in Table 2 10 Table 2 10 Read write features of data sources Earthworm Farthworm Nanometrics database with SEED file database data server Atlas Extensions can load events from yes yes yes yes can save to no yes yes no can delete from no yes yes no has editable event names no yes no no has editable solution names no yes no no has event catalogs yes yes yes yes has trigger catalogs no no no yes has channel catalogs no no no yes 1 Atlas Version 1 2 14389R5 User Guide 2005
126. k Click in a text field to type in the appropriate value for the field Time is in GMT gt Toggle a pick to be active or inactive Click in the Use Pick checkbox An active pick weight of 100 shows a check mark an inactive pick weight of 096 shows an empty field Delete a pick Click in any field for the pick and then click Delete Amplitude 3 Click OK to accept the amplitude pick edits To discard the changes click Can cel 5 4 4 Editing general Hypoinverse settings You can use options in the Hypoinverse Settings Editor window Figure 5 14 to edit general settings that will apply to all or most location runs Hypoinverse starts by read ing commands in the user hypinst file which usually directs Hypoinverse to more commands in the user hypoinverse Atlas hyp file The settings edi tor allows you to change this pattern for selected commands 64 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 5 Event Data Figure 5 14 Hypoinverse Settings Editor Hypoinverse Settings Editor CAnmxatlasiusenhypoinverseVtlas hyp Brows Default CcinmxiatlasiuserihypoinverseAtlasStations hinv Browse Default C inmxiatlasiuserihypoinverselAtlasCrustalModel hiny Bra 5 4 4 1 Allow Hypoinverse edits 1 Open the location options Tools Customize location Figure 5 1 on page 49 2 Click the check box to toggle Allow Hypoinverse Edits to either allow edits lvl or to not allow edits O 5 4 4 2 Open the
127. k to create the SEED event catalog To discard the changes click Cancel 4 3 2 2 Update a SEED event catalog Right click on the catalog node and then choose Refresh in the pop up menu New events and existing modified events that meet the catalog criteria will be added to the list 4 3 2 3 Clear a SEED event catalog You can clear a SEED event catalog by deleting events All instances of the events will be deleted from all catalogs for the SEED file 1 Right click on the catalog node and then choose Delete all events in catalog in the pop up menu 2 In the Confirm Delete All Events dialog box click Yes to delete all events To cancel the action click No 4 3 2 4 Modify a SEED event catalog 1 Right click on the SEED catalog and then choose Modify Catalog in the pop up menu 2 Edit the options for the time period as required to reflect the new selection criteria for the catalog See Section 4 3 2 1 on page 46 for a description of the options 3 Click Ok to save the changes to the catalog To discard the changes click Cancel 4 3 2 5 Copy events from a SEED event catalog 1 Right click on the catalog node and then choose Copy all events to in the pop up menu 4 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 4 Data Sources and Catalogs 2 Select the destination to copy the events in the pop up list of data sources Figure 4 6 A Copying events from source to destination dialog box
128. ktop Event maps will open in a new window click the Show map button di in the main toolbar Figure 2 2 Traces in the Event window Vi sample seed 2001 11 29 14 35 25 Mag 0 0 y T i itt Y ALT MY Aj TAM HE Y s 21s zl 30s ttt P ES Y NC MCM VHZ ES m R tit Y NC MCV VHZ a Table 2 4 Trace and map image mouse actions Option Mouse action Move the image left right up or down Click and drag left right up or down 6 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 2 Setting Up A New Installation Table 2 4 Trace and map image mouse actions Continued Option Mouse action Zoom the image at the mouse pointer location Right click and drag up or down or use the mouse wheel to zoom amplitude Add a pick to a trace or move a pick Select the type of pick Shift click on the trace to add phase P or S duration or amplitude using the pick tool on the toolbar Select the trace as the current trace in an active event Click on the trace Open a pop up menu for a pick or a map icon Right click on the pick or icon Open a pop up menu for a trace Right click on the trace 2 1 2 Main menus Atlas has four main menus that are always available File View Tools and Help and the Ev
129. l Basic filters Table 6 1 Basic filter settings Filter setting Description Midband Gain g The gain of the filter at the gain frequency Filtering a sine wave of amplitude 1 at the gain frequency will result in a sine wave of this amplitude Gain Frequency The frequency in hertz at which the filter should attain midband gain Input Units A string that describes the units of the input trace into the filter such as M S V Counts This field is especially important for instrument simulation and motion filters If the filter is part of a channel response list these filters will read the input units of the first filter to determine the ground motion type meas ured If the input units are one of M M S M S S or M S 2 the instrument will be determined to measure displacement velocity or acceleration respectively Output Units A string that describes the units of the output trace Sampling Rate The required input sampling rate for this filter If set to O this filter may be applied to any trace Decimation An integer greater than or equal to 1 it determines what portion of the results to keep A factor of x will cause the output trace to be 1 x the input size For discrete filters decimation is applied to the numerator part of the transfer function only Delay Additional delay to apply after filtering in seconds 6 2 1 2 Additional Basic filter settings 6 2 1 2 1 Poles and Zeroes
130. letin for example Title Phases c Click and drag the slider to set image quality for graphics such as maps and waveforms Figure 5 17 Creating an Event Bulletin dialog box xi Directory Name ns 2001 10 31_15 17 1 2_Mag 5 58 Browse Title vj Event Name vj Event Extra Info vi Hypocenter vi Map vi Map Depth Display vj Map Legend vi Phases vj Duration Phases vi Amplitude Phases vj Channels vi Waveforms V Image Quality 0 25 50 75 Create Exit Atlas Version 1 2 User Guide 69 Chapter 5 Event Data 3 View or Create the bulletin gt If the bulletin directory does exist choose an option Create will overwrite the existing bulletin with the new information View will open the bulletin index html file displaying all of the event bulletin information gt If the bulletin directory does not yet exist i Click either Create or View to create a new bulletin in the specified direc tory ii In the Directory doesn t exist dialog box click Yes to create the directory iii Modify map information if desired then click Ok 4 To close the dialog box click Exit 5 5 2 Create or edit an event comment In an Earthworm database with Atlas extensions you can add comments to events and edit existing comments 1 In the Event menu Figure 5 18 click Edit Comment and then edit comments in the event comment dialog box To place the comment in memory click Ok
131. n drop down list Figure 8 10 Figure 8 10 View another solution for the event f Map for 2001 11 29 14 35 24 Salinas 14 35 25 0360 8 3 6 Change the map projection You can select different map projections and apply these to maps that are in either vec tor or raster format 8 3 6 1 Supported map projections Atlas supports several standard map projections Identity projection no projection Mercator Lambert Conformal Conic Stereographic 8 3 6 2 Change the current map projection 1 In the Map window menu bar choose View gt Map Projection The currently active projection and associated settings will be shown in the Map Projection dia log box Figure 8 11 2 Choose a projection from the drop down list Each projection setting includes the ranges of longitude and latitude to display All coordinates are entered in degrees The map will be clipped to display only the area within these limits In addition for Lambert and Stereographic projections you can select the latitude and longitude displayed at the centre of the projection 3 To project raster maps using the new projection click Project Image Maps to tog gle the option on v Note Projection of image maps may take a long time as each pixel of the map needs to be projected 14389R5 Atlas Version 1 2 1 01 2005 01 20 User Guide Chapter 8 Maps Figure 8 11 Open the Map Projection dialog box f Map for 2001 11 29 1 Bin x ae
132. nd the stations and epicentre for the event If the map window is not centred around the event it may be that no appropriate maps have been loaded or that the current projection settings exclude the geographical area for the event See also Section 8 2 2 Load a new map on page 96 and Section 8 3 6 Change the map projection on page 101 5 3 6 Set a preferred solution 9 Note The solution must be located before it can be set as the preferred solution Right click the solution node to open the pop up menu and then choose Set As Preferred Solution Figure 5 9 on page 56 5 3 7 Seta reference solution The Reference solution is a snapshot of a solution in time and provides a reference point when making changes It does not get saved with the event and is initially set to the preferred solution when the event is opened Reference solution picks appear on the 14389R5 Atlas Version 1 2 57 2005 01 20 User Guide Chapter 5 Event Data traces as grey lines with grey bases The Reference solution panel displays the reference solution details Figure 5 8 on page 55 To set the current solution as the reference solution use either of these methods gt Right click the solution node to open the pop up menu and then choose Set As Reference Solution Figure 5 9 on page 56 Click the Set reference solution button on the Solutions toolbar 5 3 8 Copy the reference solution Copying a reference solution will creat
133. new map on page 96 and Section 8 3 6 Change the map projection on page 101 8 3 2 View different areas of a map You can move a map within a window and zoom the view gt To move the centre of view click and drag the map gt To zoom the view of an area use either of these methods Right click and drag drag up to zoom in and drag down to zoom out Click the appropriate zoom button in the upper right corner of the map window zoom out P zoom in P or reset to the initial view P 8 3 3 View station information You can view summary information and detailed information for a station gt To view summary information about the station move the mouse pointer over the station symbol Station information will be displayed in the Summary panel Only data defined by the current data settings are displayed gt To view all available information about the station use either of these methods gt Double click the station symbol Right click the station symbol and choose Show Station Data from the pop up menu Station information will be displayed in a pop up window 8 3 4 Highlight trace data in the Atlas main window To select data traces for a station in the Atlas event window click the station sym bol This will open the solution in the Atlas Solutions panel and select the first trace for the station as the zoom trace in the Atlas event window 14389R5 Atlas Version 1 2 99 2005 01 20 User Guid
134. ngs for the station include the time residual station magnitude and direction of first motion the summary panel will show details of each of these attributes 8 1 5 Legend panel The Legend panel lists the map component symbols and what the symbols mean for example the initial Overview settings shown in Figure 8 2 Most symbols have a min imum value and a maximum value indicated by shape or colour For an attribute that is discrete such as Trace Data Available the symbol displayed on the map will be either be on or off For an attribute that has some range such as residuals the sym bol displayed on the map will show an incremental value within the range Figure 8 2 Map legend panel showing initial Overview data settings r Solution Legend o Epicenter Epicenter Error 0 0 e Preferred Magnitude Station Legend L Station Ref P Pick Residual mi o E o i o w o S Pick Residual o ona t o P P Pick Residual m al o mS m Local Peak Peak Magnitude Residual go 10 0 Duration Magnitude Residual False True P Pick Available a False True Trace Data Available O None Down Up First Motion VA Reference Solution Legend Epicenter Epicenter Error 14389R5 2005 01 20 Atlas Version 1 2 User Guide 95 Chapter 8 Maps 8 2 Loading and removing maps Atlas is shipped with a starter set of map files The first time you open a map window in Atlas
135. o one or more traces or create filters directly for a channel in the Applied filter panel for the selected trace 14389R5 2005 01 20 Atlas Version 1 2 71 User Guide Chapter 6 Filters Figure 6 1 Filters panel Filters 3 Solutio lt Click the Filters tab to open the main Filters panel cS L1 Saved Filter Groups Saved filters panel 1 example a filter group e E Combined Response e Gu Continuous Filter filters 1 Nc Mcm vHz o J Combined Response s J Continuous Filter Applied filters panel 6 1 1 Add a filter group You can add filter groups to the list of saved filter groups by creating a new group and by loading an existing group 6 1 1 1 Create a new filter group 1 Right click on the Saved Filter Groups node and then choose New Filter Group in the pop up menu 2 In the Filter Group Name dialog box type a name for the filter group 3 Click Ok to create the group 6 1 1 2 Load an existing filter group 1 Right click on the Saved Filter Groups node and then choose Load Filter Group in the pop up menu 2 Browse for a response file and then select or type in the file name 3 Click Open to load the group 6 1 2 Create a filter You can create a filter in the Saved Filter Groups list and in the applied filters group for the trace Filters created in the applied filters group are not saved when the event is closed Note You can save a filter from the applied
136. o other settings groups during this dialog box session 8 5 2 4 Select data display options Seismic event data display settings can be customised for station epicentre and refer ence epicentre data Each data setting includes three components Figure 8 19 Data type The piece of information to display on the map options are listed in a Choose data to display dialog box for example Figure 8 20 Symbol type A symbol to represent the selected data type Symbol attributes Attributes for the data symbol if applicable The options for each of the components depend on whether the settings are for station or epicentre data Figure 8 19 Data settings components Seismic Event Display Settings xj Settings test x Station Epicenter Reference Epicenter vi Station v Show Names Size Data type do Le Trace Data Available Bar Cha 0 100 E Symbol type Xx 1 1 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 8 Maps Figure 8 20 Open the Choose data to display dialog box Settings test v Seismic Event Display Settings vi Station vi Show Names Size 50 400 Empty Empty ME E Choose data to display E Empty Q Data Empty Q Active Solution Empty Q Trace Data Available First Motion Empty 9 P Phase Pick Available Empty Pick Weight Code Arrival Weight
137. omed regions Atlas Version 1 2 91 User Guide Chapter 7 Power Spectra Figure 7 4 Reset data range display Spectral Spectra 1 i 40000 S 1000 acer hi E 400 RM d HTC o 3 e a 0 1 1 10 100 Frequency Hertz 92 Atlas Version 1 2 User Guide 14389R5 2005 01 20 Maps Atlas map utilities combine a geographical display of stations and epicentres with var ious attributes of the event Fully interactive maps of an event provide options for you to view and refine solutions For example to see which stations contributed to the solu tion make adjustments calculate a new solution and compare solutions This chapter provides an overview of map features and procedures for loading view ing editing and customising maps of events 8 1 Map window overview This section provides an overview of the map window features For detailed proce dures refer to subsequent sections in this chapter Atlas map utilities allow you to Load and display maps that use various file formats ArcInfo ESRI shape files DTED Raster files JPEG and GIF Apply various projections Mercator Lambert Conformal Conic Stereographic Identity projection no projection Customise map data settings almost any aspect of an event may be shown visu ally using a variety of widgets Refine solutions with the interactive station and solution options 14389R5 2005 01 20 Atlas Version 1
138. on 1 2 14389R5 User Guide 2005 01 20 Response File Format Nanometrics response files are text files that allow for exchange of instrument response information Atlas can read these response files to obtain instrument response filter groups and individual filters Each response file is divided into 2 sections a header and a list of stages The header provides general information about the file as a whole including the number of stages name and start and end times Each section is divided by a line of characters Each stage provides information about the filter it represents such as units delay poles and zeroes and coefficients Atlas only requires a field name such as szName or rtmStartData acolon and a value Descriptions after the key name and before the colon are ignored Atlas does not require all the information to be present Atlas will assume default values for any information not present Field names must start at the beginning of a new line This is an example response file Seismometer type 13 Data sample rate 100 s s Selected IIR frequency 100 mHz corner frequency ulRespKey unique response ID vd szFilename 51 name of this file Seed rsp szDescription description 100s s 100mHz S13 rtmStartDate effective date start 2001 08 03 01 29 29 0000 rtmEndDate effective date start for current 2001 08 03 01 29 29 0000 rtmLoadDate date loaded into database 2001 08 03 01 29 29 00
139. on adding databases to the client in the Atlas Installation and Maintenance Guide 1 2 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 2 Setting Up A New Installation 2 3 1 Connect to an Earthworm database 1 Right click on the Data Sources node in the Catalogs panel and then click New Source in the pop up menu Figure 2 4 Figure 2 4 Create the first data source connection atlas Seismic Data Analysis Tool SAHELI X 2 Inthe Select Data Source dialog box click the Earthworm tab and then type the appropriate values for your system in the fields for Database name User name and user Password Figure 2 5 These values are defined during the Atlas instal lation lt Right click the Data Sources node and click New Source to open the Select Data Source dialog box 3 Click Ok to create the Earthworm data source connection Figure 2 5 Create an Earthworm Data Source connection x Database User Password Once the source has been added to the Catalogs panel it will appear under the Data Sources node as an Earthworm data source gt and a connection is made to the data base 2 3 2 Connect to a SEED file 1 Right click on the Data Sources node in the Catalogs panel and then click New Source in the pop up menu see Figure 2 4 2 Inthe Select Data Source dialog box click the SEED tab Figure 2 6 Figure 2 6 Create a SEED file connection Sel
140. onnection xi Host Port 28002 User Password Atlas will open a connection with the data source and attempt to gather data that meet the criteria If the data source is unavailable or if some of the database connect settings are incorrect a warning will be displayed 4 2 1 2 Show hidden events and triggers gt Right click on the Nanometrics data server node and then choose Show hidden events amp triggers in the pop up menu See also Section 4 2 2 4 Nanometrics cat alog hidden list on page 43 4 2 1 3 View properties of a Nanometrics data server connection gt Right click on the Nanometrics data server node in the Catalogs panel and then choose Properties in the pop up menu This will display the connection properties in the Data Source Properties message box 4 2 1 4 Remove a Nanometrics data server connection Note Removing a data source connection does not delete the information in the data source just the connection to the information 1 Right click on the Nanometrics data server node and then choose Remove Source in the pop up menu 2 In the Confirm Delete Source dialog box click Yes to delete the data source con nection To retain the data source connection click No 4 2 2 Nanometrics data server catalog options You can create three types of data server catalogs Channel catalogs Nanometrics event catalogs Trigger catalogs Triggers and events that are
141. ontents Data Sources and Catalogs cae res REIE TPREPPRreepe ei ERR 31 Earthworm compatible databases 00 00 ccc ee eee ee 31 Earthworm data source options llli 32 Create a connection to an Earthworm database 00 cee sess 32 View properties of an Earthworm database 00 000 e eee eee eee 32 Unlock Earthworm database events o o ooccooccccoc eese 33 Remove an Earthworm database connection 000 33 Earthworm catalog options 20 0 0 eee 33 Create an Earthworm Unlocated events catalog 0 eee 34 Create an Earthworm Located events catalog 0 0 0 0 eee eee eee 35 Update an Earthworm event catalog llle eee 35 Modify an Earthworm event catalog 0 0 0 ee 36 Copy events from an Earthworm event catalog 000 eee eee 36 Delete events from an Earthworm event catalog llis 36 Delete an Earthworm event catalog 0 cece eee 37 Nanometrics data Servers 0 0 eee eae 37 Nanometrics data source options 2000 cee eee tee 37 Create a connection to a Nanometrics data source 0 00 eee eee 37 Show hidden events and triggers 00 0 cee eee 38 View properties of a Nanometrics data server connection 38 Remove a Nanometrics data server connection 0 000 cee eee 38 Nanometrics data server catalog options 0 00 cece ee eee 38 Channel ca
142. onversion of a digital trace to Wood Anderson The weight codes for both magnitudes are set to 0 or 6 which is interpreted as 100 or 0 respectively Weights can also be set in the UserStation hinv file as well 1 22 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Appendix A Hypoinverse as the magnitude correction files see XMC for amplitude magnitude and FMC for dura tion magnitude in the documentation Magnitude data is entered on the phase lines of the input file Format is shown on p 95 of the documentation Atlas currently does nothing with the secondary duration or amplitude magnitudes or the external magnitude Atlas can save the individual station magnitudes if the codes in the summary line col 118 and col 122 are the same as the codes on the phase lines cols 110 and 111 respectively These codes are set with the FC1 and XC1 commands A 4 Hypoinverse limitations Hypoinverse is limited to events fairly close to the stations involved It has problems locating if the stations are too far away from events leaving teleseismic events out of the location capabilities of Atlas In particular if the time of any pick is more than 6 minutes away from any other pick or from the time in the summary line Hypoinverse will ignore that pick Two users with different Hypoinverse setups will likely get different location and mag nitude results Careful attention to detail in the setup is important to successful calcu lations
143. oooooocoooccooc eae 57 View complete solution detailS 0 00000 ee 57 View a solution on amap 00000 eee eee 57 Set a preferred solution ooooocoooooooo tenes 57 Set a reference Soomees heren tarar eraa e ey le 57 Copy the reference solution slc Rn 58 COPY a SOON oss can eng REA a 58 View a different solution for the event lisse eee 58 Rename a Sol impida e RR paa CER Ra NE NA Rare Pace a doe ces 59 Create or edit a solution comment 00 eh 59 Delete a solution 2 20 ccc RR ERR ERA 59 Solution editing options 0 0 0 0 0 e a 59 Changing the view of a trace liliis eh 59 Zoom the time width displayed 0 0 0 0 ce eh 60 Zoom the amplitude range displayed ooooccococccc 60 Change the DC offset sisse eee be RR le d ry bee eee 60 Change the start time of the view llle 61 PickingHtraces Lear elle Rare et eb pb bee tutte estis 61 Add a phase pick to a trace lille 61 Add a duration phase to a trace 0 0002 61 Add amplitude picks to a trace 0 0 62 Modifying PICKS Scere co toi bh e e book dria Seed 62 Modify picks using the mouse and menu options lille selle 62 Change a pick weight 0 0 aeee SEEE n 62 Move a pick soo e ei eee Sits sain cance ate a RUNE eee IPOD CY RR 63 Delete a pick or a duration o oooooocoo ooo 63 Modify picks using Edit Picks and Edit Amplitudes tablesS
144. options described in Section 8 5 2 4 a Click the data type button to open the Choose data to display dialog box b Select the data type from the Data type tree to remove a data type from the cur rent settings select Empty and then click Ok c Choose a symbol type from the drop down list for example Bar Chart and then set the symbol attributes for example Color if the symbol type has edita ble attributes 14389R5 Atlas Version 1 2 1 1 5 2005 01 20 User Guide Chapter 8 Maps 3 Click Ok to close the dialog box with saved changes to the settings To discard the changes click Cancel This will also discard any changes made to other settings groups during this dialog box session 1 1 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Appendices Hypoinverse Earthworm Response File Format Troubleshooting Hypoinverse A 1 Introduction Atlas uses Hypoinverse a location program written and used by the United States Geo logical Survey USGS to locate earthquakes and calculate magnitudes Documenta tion for Hypoinverse is at the ftp site ftp clover wr usgs gov pub ehz klein hyp2000 The document docs hyp2000 1 0 gives instructions on how to set up run and interpret Hypoinverse Atlas creates an input file listing phases and any magnitude information in memory then calls the executable which writes an output file The output file is parsed and put in memory When Atlas or the event window exits
145. p solution toolbar 0000 eee 103 8 14 Open the map solution menu 0002 les 103 viii Figures 8 15 Edit picks from the Map 2s veo UR aba Peut tod da a 106 8 16 Open the Map File Settings dialog box 0 2 llis 106 8 17 Edit display settings for a map file 0 0 cece eee 107 8 18 Open the Seismic Event Display Settings dialog box 02 00 eee 109 8 19 Data settings components 0 00 eres 110 8 20 Open the Choose data to display dialog box 1 2 2 cee eee 111 8 21 Epicenter data Settings spo shaa enade hne 114 Figures Tables 2 1 Conventions for keyboard and mouse actions 0000 eee ee tee 5 2 2 General navigation mouse actions lille 5 2 3 General navigation keyboard commands 0 00 cece eee eee 6 2 4 Trace and map image mouse actions 0 00 ees 6 2 5 File menuoptions llle 7 2 6 View menu options llle mre 7 2 7 Eventmenuoptions llli 7 2 8 Tools menu options us iodo AA Se bia Seu ge Sed aie 8 2 9 Help men ptlons 5 zc wood cst Ee ef hal Flea m iR nessa da ha SaaS 8 2 10 Read write features of data sources llle ees 10 5 1 Options for saving and copying events 0 00 cee e 53 6 1 Basic filter settings ryen EAEE en EAE E II hh 77 6 2 Poles and zeroes options for Basic filters 0 o oooooooo ooooooooooo 78 6 3 Coefficients options fo
146. picenter display settings 113 Create a new data settings group 115 Edit an existing data settings group llis 115 FIVDOIFIVerSB nde urs e A canes hh sd AO ES p S Pede d c e 119 Introduction ius c e dre Dos Rr atu ved aa dedu eee gerendi ede a eq us 119 How to set up Hypoinverse llle 119 How Atlas uses Hypoinverse ooocccoccccc eee 121 Hypoinverse limitations llle RR 123 Earthworm ein 30 had docnit de ah tao BS out do borse Sade ORE ae eared 125 Introduction t zoss aiuti leto EE A e Ns 125 Atlas and Earthworm installations 2 2 125 Resp nse Fil Format ccs ey AER EC PEEL idit nU 127 Troubleshoollng oui op Rx Ro edet ot d ouest er Se e ge ERI a abus oS 137 vi Figures 2 1 Tree structure for event data nuaa 0 eee 6 2 2 Traces in the Event window 2 02 c ete 6 2 3 Atlas Options dialog DOK 4c ueber robe rb le ebb ble pide aye ed ad be 8 2 4 Create the first data source connection 000 eee 13 2 5 Create an Earthworm Data Source connection 0000 cee eee eee 13 2 6 Create a SEED file connection 2 0 0000 cee eee 13 2 7 Create a Nanometrics data source connection 202202 eee eee eee ee 14 2 8 Create an Earthworm catalog naaa cee tees 15 2 9 Open the Nanometrics catalog dialog DOx 1 2 fcc ee 16 2 10 Create a SEED catalog 1 en 17 3 1 Create a n
147. pick P S Duration and Amplitude that exists for a station using options in the solution menu There is also a sub menu for each of the channels that allows you to activate or deactivate the pick and to delete the pick using the sta tion pop up menu Edit phase picks See also Section 5 4 3 2 1 Edit picks on page 63 gt Menu option Edit Picks Edit amplitude picks See also Section 5 4 3 2 2 Edit amplitudes on page 64 gt Menu option Edit Amplitudes 14389R5 2005 01 20 Atlas Version 1 2 User Guide 1 05 Chapter 8 Maps 8 4 14 3 Enable disable or delete picks for a channel gt To enable disable or delete picks for a channel use either of these methods gt Use the menu options to access pick edit windows see also Section 5 4 3 2 Modify picks using Edit Picks and Edit Amplitudes tables on page 63 Right click on the station symbol and from the station pop up menu choose the option to enable disable or to delete picks Figure 8 15 Figure 8 15 Edit picks from the map NN ORC K lt gt Right click the station symbol to open the EHOW station Doa station pop up menu Highlight Trace Edit Picks ji P Pick for Channel VHZ gt Enable Set Marker Derete 8 5 Customising map and event displays There are two types of display settings for Atlas maps Map file settings File gt Map File Settings Use these settings to customise dis play characteristic
148. pick to the trace at the mouse pointer location If the trace already had a phase pick of this type the pick will be moved to the new loca tion 5 4 2 2 Add a duration phase to a trace You can add a duration phase by using the mouse as described in this procedure or using the Pick Editor dialog box see Section 5 4 3 2 1 Edit picks on page 63 1 Select the duration phase pick tool Eal on the Trace tools toolbar All pick traces will centre around existing duration phase picks Traces with no picks will centre around the location of the mouse pointer on the Main trace 14389R5 2005 01 20 Atlas Version 1 2 61 User Guide Chapter 5 Event Data 2 On either the main trace or zoom trace move the mouse pointer to the new pick location 3 Shift click to add a new duration phase pick to the trace at the mouse pointer loca tion or to move an existing pick to the new location 5 4 2 3 Add amplitude picks to a trace You can add amplitude picks by using the mouse as described in this procedure or using the Amplitude Editor dialog box see Section 5 4 3 2 2 Edit amplitudes on page 64 Note For information on filtering out instrument response and applying a Wood Anderson instrument simulation filter prior to calculating amplitude mag nitude see Section 6 1 Creating and applying filters on page 71 and Section 6 2 4 Instrument Simulation filter on page 82 1 Select the amplitude pick tool f
149. pth see Section 5 4 4 5 Set initial conditions for Hypoinverse calculations on page 67 8 4 6 Create a new solution See also Section 5 3 1 Create a new solution on page 56 gt Toolbar button E 8 4 7 Copy the currently active solution See also Section 5 3 9 Copy a solution on page 58 Menu option Copy Solution gt Toolbar button E 8 4 8 Locate the solution See also Section 5 3 2 Locate a solution on page 56 Menu option Locate Solution gt Toolbar button e 1 04 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 8 Maps 8 4 9 Set the current solution as the preferred solution 8 4 10 8 4 11 8 4 12 8 4 13 8 4 14 8 4 14 1 8 4 14 2 See also Section 5 3 6 Set a preferred solution on page 57 Menu option Set as Preferred Solution Set the current solution as the reference solution See also Section 5 3 7 Set a reference solution on page 57 gt Menu option Set As Reference Solution gt Toolbar button Es Copy the reference solution See also Section 5 3 8 Copy the reference solution on page 38 gt Toolbar button ia Edit the solution comment See also Section 5 3 12 Create or edit a solution comment on page 59 Delete the currently active solution gt Toolbar button See also Section 5 3 13 Delete a solution on page 59 gt Toolbar button al Edit picks You can edit each type of
150. quivalent 43 4 4 Unique identifying name 43 4 5 type of stage A B C or D 43 4 6 input units description 43 4 7 output units description 43 8 seed optional to normalize 43 9 seed optional With 43 8 47 5 input sampling rate 47 6 Sampling decimation factor 47 7 decimation offset 47 8 stage delay time nominal 47 9 applied stage delay 48 5 stage sensitivity or gain 48 6 frequency of stage gain meaning depends on NMX type NMX response type 0 through 8 how filter was designed number of zeros or numerators number of poles or denominators database comment as specified above 44 IIR filter D COUNTS COUNTS 0 996868 1 100 000000 O OO 00000 gt NOOrRPrFRF OOO F o 2 2 Aug 03 2001 01 29AM 1 000000 1 000000 Notes KXKXxx SEED type Blockette 43 Response poles and zeroes Atlas Version 1 2 User Guide 14389R5 2005 01 20 Appendix C Response File Format A Laplace transform analog response in rad sec B Analog response in Hz C Undefined D Digital Z transform SEED Blockette 44 Response coefficients type A Laplace transform analog response in rad sec B Analog response in Hz C Undefined D Digital Z transform NMX response types 0 S plane numerator amp denominator coefficients 1 S plane poles and zeroes 2 Z plane numerator and denominator coefficients 3 Z plane numerator coeffs only symmetric FIR N taps N 1 2 coeffs biggest first 4 Z plane numer
151. r Basic filters liliis 79 6 4 Discrete filter additional settings s auaa ee BIS 79 6 5 Options for generating FIR filters that simulate S plane filterS 80 6 6 Butterworth filter settings lille III 81 6 7 Inverse instrument response filter settings llle 82 6 8 Instrument simulation filter settings lile 83 6 9 Ground motion conversion filter settings 2l 83 6 10 Trend removal filter settings 0 0 II 84 6 11 Response history node options llli ses 87 6 12 Response node options liliis 87 0 13 Filternode OptiONS caii ai adde miaa ht t rA Ri EA rae ues 88 8 1 Map file display options 0002 107 8 2 Station general display options 0 0 0 cee ees 111 8 3 Station data types ee lu eee eee pu na 111 8 4 Station symbol options 1 2 0 m nn 112 8 5 General epicentre display options 000 00 ee esl 114 8 6 Epicenter and Reference Epicenter data types 20 0000 eeeee 114 8 7 Epicenter and Reference Epicenter symbol options 05 114 D 1 Troubleshooting FAQS 2 2 2 cen eee ee bee eee ee 137 xi Tables xii Getting Started Introduction Setting Up A New Installation A Quick Tour of Atlas Introduction 1 1 About Atlas Atlas provides tools for you to load view manipulate locate and save digital seismo graph data from Earthworm databases
152. r catalogs Channel catalogs Nanometrics event catalogs Trigger catalogs A channel represents trace data for an individual sensor In addition Nanometrics data servers can provide automatic pick and event detection A trigger is an automatically generated pick which represents a time and a channel when a spike or anomaly occurred in the seismic trace 2 2 2 2 1 Channel catalogs Channel catalogs display a list of available channels of trace data You can create mod ify and remove channel catalogs 14389R5 Atlas Version 1 2 1 1 2005 01 20 User Guide Chapter 2 Setting Up A New Installation 2 2 2 2 2 Nanometrics event catalogs A Nanometrics event catalogs list events that have been detected automatically by the Nanometrics data servers You can create modify and remove Nanometrics event cat alogs You can update the list of events and clear the list Caution All trace data and triggers are reloaded from the ringbuffers when an event is opened Therefore once the trace data expires from the ring buffers events will load blank traces To preserve trace data for inter esting events save the events to an Earthworm database 2 22 2 8 Trigger catalogs Trigger catalogs list picks that have been detected automatically by the Nanometrics data servers Events are generated when enough channels trigger within a short enough time period see also NaqsServer documentation Individual channels may experience spikes
153. rom the Trace tools toolbar All Pick traces will centre around existing amplitude picks Traces with no amplitude picks will centre around the location of the mouse on the Main trace 2 Move the mouse pointer over the main trace or the zoom trace to the target loca tion for one of the amplitude picks 3 Shift click to add a new pair of amplitude pick markers at the mouse pointer loca tion If the trace already had an amplitude pick one of the pick markers will be moved to the new location 4 Click and drag the second amplitude pick marker to the appropriate location 5 4 3 Modifying picks You can toggle the weight of picks move picks and delete picks using either mouse and menu options or pick editor tables Pick editor tables allow precise modification of picks and can be used regardless of whether the picks have available trace data 5 4 3 1 Modify picks using the mouse and menu options Picks with available trace data can be modified using the mouse and menu options Note Zooming the view of the trace before working with picks can make posi tioning the pick easier see Section 5 4 1 Changing the view of a trace on page 59 5 4 3 1 1 Change a pick weight gt Right click on the pick on the appropriate trace and then choose the Disable pick name or Enable pick name option from the pop up menu to toggle the pick weight 62 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 5 Event Data 5
154. roubleshooting Table D 1 Troubleshooting FAQs Question Probable solution What if Atlas does not start A possible problem is that settings files have become corrupted Try removing or renaming the atlas settings file in your user directory Also try removing or renaming the catalog files identified as cat in your user directory When load some events from the Nanometrics data server they are blank Why is that Nanometrics data servers use a ringbuffer to store trace data This means that over time trace data will be lost To exclude events that have no trace data change the catalog criteria to list only the most recent events You can determine how much data is available by listing channels with a channel catalog right clicking on a channel and selecting Details from the pop up menu What if the database has changed while am working Right click on a catalog and choose Refresh from the pop up menu Copying events to a SEED file may use the all free space on the local disk What should do Because this will generate an error you should make some work around such as Try to make more space on your local disk removing unnecessary files Because the SEED file became corrupted try to remove it from the user directory Remove the SEED data source from Atlas close and reopen Atlas and create a new SEED data source Is there a limit on the time interval of data can retriev
155. rs 1996 82 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 6 Filters passband of the target instrument is not completely within the passband of the source instrument the frequencies outside will be lost This filter may only be applied to traces with a channel response It is important that the input units of the first filter in the channel response be one of M M S M S S or M S 2 This allows the simulation filter to determine the ground motion measured by the source instrument thus allowing conversion to the proper output motion type See Table 6 8 for filter settings Table 6 8 Instrument simulation filter settings Setting Description Target Instrument The target instrument to simulate The target instrument list is loaded from all available response files in the user instruments directory for example WoodAnderson rsp New response files can be added and existing files can be changed as needed Output Motion The type of ground motion to convert to Waterlevel Sets the minimum absolute value as a percentage of peak value the instrument response is allowed to drop to Lower Cutoff Hz Sets the lower cutoff frequency for the inverse instrument filter Upper Cutoff Hz Sets the upper cutoff frequency for the inverse instrument filter Figure 6 9 Instrument Simulation Filter dialog box xl Target Instrument Ground Motion i Output Motion displacement Y Ivi Wa
156. s filter Order Set the order of the filter Corner Set the corner frequency in hertz Gain Set the filter gain at the corner frequency Figure 6 7 Butterworth Filter dialog box xl 9 LowPass High Pass Order 0 Corner 1 0 Gain 1 0 2 See page 163 Digital Filters Theory and Applications N K Bose Elsevier Publishing Co Inc 1985 14389R5 2005 01 20 Atlas Version 1 2 81 User Guide Chapter 6 Filters 6 2 3 Inverse Instrument Response filter The Inverse Instrument Response filter attempts to remove the instrument response from a trace and obtain the true ground motion A spectral division algorithm is used wherein the combined channel response is inverted in the frequency plane and a FIR filter is generated to simulate the frequency response by taking an inverse FFT The inverse instrument response is not well defined outside the passband of the instru ment as the signal to noise ratio becomes small It is thus necessary to limit the inverse calculations inside the passband so as to limit noise amplification This filter works only for traces for which a channel response has been defined Setting explicit cutoff frequencies causes the response of the inverse instrument filter to go to 0 outside the cutoffs Setting a waterlevel limits the absolute magnitude of the instru ment response to a percentage of the peak value Since the inverse process calculates 1 H s where H s is th
157. s information about the velocity model At lasCrustalModel hyp is a command file that specifies which models apply where Atlas is shipped with a simplified model which attempts to show how a crustal model can be developed See user hypoinverse AtlasCrustalModel hyp for more details To set a new file either type the file path in the Crustal Model field or click the Browse button to set the file from a browse window gt To reset to the default file At lasCrustalModel hyp click the Default but ton 5 4 4 4 Set weighting parameters The final weight of a particular pick is the result of the three weighting parameters listed below and weights in station and delay files These weighting parameters only apply to the location algorithm not the magnitude calculations The final weight is saved when the solution is saved Weight Codes for phase picks Hypoinverse applies discrete weight codes for phase picks The value of these codes can be adjusted by editing the four numeric fields in the Weight Codes section Atlas only uses weights that are 100 or 0 therefore the value from the first field is the one applied to all of the phase data The weight code field can also be edited by editing the input file when locating an event Time Residual Weights Hypoinverse applies weights based on the size of the time residual Edit values in the four numeric fields to set parameters that deter mine the time over which the weight is 100
158. s of maps such as fill colour and transparency Seismic event display settings View gt Data Settings Use these settings to define subsets of event data to include on a map and how to display each piece of information in the subset 8 5 1 Customise the map file display Use options in the Map File Settings dialog box to customise display characteristics of maps 8 5 1 1 Open the map file display settings 1 Choose File gt Map File Settings to open the Map File Settings dialog box Figure 8 16 Figure 8 16 Open the Map File Settings dialog box cor Load Map File x Map File Settings a Map Files Print Map j 2 Click the Map Files node to open the list of maps and then click a map file node to view the display settings for the map Figure 8 17 14389R5 2005 01 20 1 0 Atlas Version 1 2 User Guide Chapter 8 Maps The Map Files tree in the left panel lists all maps currently loaded in this map window The map display settings are shown in the right panel for the map file selected in the tree Figure 8 17 Edit display settings for a map file x 9 Cd Map Files Visible lei a world shp o e ull Cal Maripopa esting Locate Image Locate a cal jpg Transparency 0 0 Whiteout 70 0 8 5 1 2 Change the order of maps displayed The order of maps listed in the Map Files tree determines the order in which maps will be drawn in the map window Maps that are listed lower on th
159. s response is valid Delete Response Deletes this instrument response from the history 6 3 2 2 3 Filters Filter nodes in the response window have the same properties as those of a filter group See also Section 6 1 Creating and applying filters on page 71 14389R5 Atlas Version 1 2 87 2005 01 20 User Guide Chapter 6 Filters To open the filter options menu Table 6 13 right click on the filter node Table 6 13 Filter node options Menu option Function Properties Allows editing of the filter properties See Section 6 2 Filter options on page 76 for information about filter types and properties Delete Filter Deletes this filter from the response history 6 3 2 3 Limitations of Channel Response Channel response filters can only be saved as basic filters For instance Butter worth filters will be saved using their S plane Poles and Zeroes representation Atlas does not support saving a history of instrument response to SEED files Only the applied instrument response will be saved Nanometrics data servers support only one read only instrument response per channel 6 3 2 4 Inverse Instrument Response and Instrument Simulation gt To apply inverse instrument response or to simulate another instrument apply an Inverse Instrument Response filter or an Instrument Simulation filter to a trace with available instrument response See also Section 6 2 3 Inverse Instrument
160. source SF atlas Seismic Data Analysis Tool Select Data Source xj i irm Nanometrics SEED Host K Port 28002 User Catalogs Fitters 9 Data Sopce psw 7 ES Once you have defined the data source click Ok to connect to the data source A con nection check is performed and if the data source is not found a warning will be dis played You should now have at least two data sources listed on the Catalogs panel one of which is either an Earthworm database or a SEED file and the other a Nanometrics data server Atlas Version 1 2 14389R5 2005 01 20 Chapter 3 A Quick Tour of Atlas 3 3 Define catalogs The process of defining catalogs is different depending on the type of data source For an Earthworm database you can define catalogs to contain a subset of events sorted by time location depth or magnitude or by various combinations of these attributes To define an Earthworm catalog right click on the Earthworm data source icon gt and choose New Catalog Figure 3 3 Figure 3 3 Create an Earthworm catalog atlas Seismic Data Analysis Tod Catalog lo ho mj ar h 152 m 36 Set the Temporal Most Recent field to load events for the previous 2 days type in EW2days in the Catalog Name field and then click Ok You may not have any events in this catalog but as you save events that fit these criteria the catalog will fill up
161. sponse oet liada SA d ap EPH SA ead 84 Earthworm Instrument Response 000 00 eee e eee eee eee 85 Instrument Response editing options 0 00020 85 Edit instrument response for a trace liliis 85 Edit instrument response for a data source 00 000 eee eee 86 Response history ereer a AE 020 eee da eee a eee 87 Response osse de uto Oat Gat wat carded wad quei MM RUN qe ees 87 ls a LUE ere n t LR ND I en head 87 Limitations of Channel Response 202020 cece eee llle 88 Inverse Instrument Response and Instrument Simulation 88 Power opectia podes aurea adatto pa ed Vd a Mad Ro er AS Ww 89 Power spectrum calculation liliis 89 Data WINdOWS 5 2 soolote gaan ata esten eis edad p Ea eR leant 89 Power spectral density 2s esl rey hn 90 Power spectra plotting options liliis 90 Plota spectr m x seach tag wad oe Ee PATEAT ERPSUBRAG NE A IA 90 Change or reset the data range view 91 II CIM C cce E 91 ZOOM ERECTO A DLL DIERUM 91 Reset view 64 weet intend dere ERI EE ERE REALEM ae Se oe dee RR 91 MANS s La as wrt ati o Watt cok ate ack a WIA htec ND aie ma d he 93 Map window overview o 93 Map Windows 3 40 08 oer A A eI 94 Map Panel 3 necis ena De DG RR ER nhe E Eg 94 Depth slider panel 2 eczema datu Re DOR Re dod FARO ER RU ga 95 Summiary panel te aet ete aw Rene and SR Re ie be satu eR aen d 95 Legend panel sd orcs
162. t Customize filters Figure 6 6 Poles and zeroes filters are applied using their coefficient counterparts The poles and zeroes are multiplied out to generate the coefficients of the transfer function for a coef ficient filter Table 6 5 Options for generating FIR filters that simulate S plane filters Filter setting Description Maximum FIR size Determines the maximum number of coefficients to use when generating FIR filters that simulate analog filters The more coefficients that are used the more accurate the result However the computational costs grow dramatically as the number of coefficients are increased This is only a maximum as fewer coefficients may be used if the impulse response of a filter is still considered complete FIR cut off 9o of peak Determines the level at which an impulse response is considered complete If the impulse response falls below this percentage of its peak at its edges it will be considered complete Padding Allows selecting what should be done at the edges of the trace when some numerator coefficients may be applied outside of the trace No Padding The results are thrown out The length of the fil tered trace is truncated by the number of numerator coefficients minus one Zero Padding The trace is padded with zeroes as needed The length of the filtered trace is the same as the length of the input trace Average Padding The trace is padded by the average trac
163. t instrument response which has a time period that includes the start time of the trace Atlas maintains separate tables from conventional Earthworm response which sup ports only analog poles and zeroes When loading an instrument response Atlas retrieves the most recent response from both the Earthworm response tables and Atlas response tables However Atlas supports saving instrument response only to Atlas response tables 6 3 2 Instrument Response editing options You can edit the currently applied instrument response and all instrument response his tory Once an instrument response has been loaded as part of a trace it is independent of the response data stored in the original data source and you can edit and alter the response for that trace Next time the trace is saved the instrument response on the target data source will be updated with this new response 6 3 2 1 Edit instrument response for a trace Note This option to edit the instrument response currently applied to a trace is available only if relevant instrument response is found when the trace is loaded 1 Open the Instrument Response window Figure 6 12 a Right click on a trace from the channel for which instrument response is to be edited and then choose Instrument Response in the pop up menu b In the sub menu choose For Trace Figure 6 12 Open the Instrument Response window NT M wv iri _ Right click the trace for the channel choose 1 end sr
164. t order to the trace 6 1 4 Rename filters and filter groups 1 Click on the name of the filter or filter group you want to rename and click again to open the name for editing 2 Type in the new name and press Enter to save the change Click anywhere outside the edit box to discard the changes 6 1 5 Apply existing filters You can apply existing filters and filter groups to a trace To apply a new filter imme diately to a channel see Section 6 1 2 2 6 1 5 1 Apply a single filter Note A filter cannot be applied to a trace if the filter sampling rate does not match that of the trace but filters with a sampling rate of 0 can always be applied 74 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 6 Filters Applying an individual filter will add the filter to the group with the application order determined by the filter position in the list A single filter can be applied immediately to a trace either at the end of the filter list that is applied last in the sequence or at an intermediate position gt To apply the filter to the trace at the end of the applied filter list drag and drop the filter onto either of these targets e The trace in the event window The applied filter panel for the selected channel gt To apply the filter at an intermediate position in the list drag and drop the filter onto a filter that is already in the list This will apply the new filter before the sub sequent filt
165. tage e g seismometer type filter type etc chSeedType This field is used to tell MAKESEED which type of SEED primary blockette to make from this stage MAKESEED may also make a second or secondary blockette from the stage information See elsewhere for details szInputUnits 21 szOutputUnits 21 Used to build SEED Units Abbreviations Blockette 34 rNormFactor rNormF req Used to set corresponding fields in blockette 43 rinSamSec usDecimation usDecimationOffset rDelayEstimate rDelayApplied If rInSamSec is non zero causes blockette 48 to be built from this info rGainOrSensitivity rFrequency If rGainOrSensitivity is non zero causes blockette 47 to be built from this info rGainFreq Not used usType This field is used by PMResponse to set type of response Note that this field allows several types which are not supported by SEED szDesign 21 A place to put how for example the FIR coefficients were derived Ignored usNumTerms usDenTerms Number of each type of coefficients in coefficient field below rtmLoadDate Ignored Slot for date put in database 1 34 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Appendix C Response File Format pszDBComment Ignored Slot for comment to put in database Coeffiecients All the numerators first 14389R5 Atlas Version 1 2 1 35 2005 01 20 User Guide Appendix C Response File Format 1 3 Atlas Version 1 2 14389R5 User Guide 2005 01 20 T
166. talog options 1 2 0 TEGE ESTR PAA lh dae 38 Create a channel catalog 0 0 eee 39 Modify a channel catalog isses es 39 Delete a channel catalog 0 e 40 Nanometrics event catalog options 1 6 0 eene 40 Create a Nanometrics event catalog llli esee 40 Update a Nanometrics event catalog 0 0 cece 41 Modify a Nanometrics event catalog 0 00 cece eee 41 Copy events from a Nanometrics event catalog liliis elles 41 alb OVENS eh EDD 42 Clear a Nanometrics event catalog llliel ees 42 Delete a Nanometrics event catalog liliis 42 Trigger catalog options erres rrd enn aak a eE e OR a eee beeen 42 Create a trigger catalog 06 tenes 42 Modify a trigger catalog 0 6 eee 43 Update a trigger catalog 6 tees 43 Hide triggers surta gt aoe trece br Gat pnus ale ti 43 Delete a trigger catalog 2 eee eee 43 Nanometrics catalog hidden list lille 43 Move items to the hidden list 0 liliis 44 Reveal hidden items clear the hidden list llle 44 SEED TIES oe A Pda es d ha he ret Rei ac Eu 44 SEED file data source options 000 00 cee 44 Create a connection to an existing SEED file llle 44 Greate a NeW SEED Te Airaa a eee sa a Rn a eat S 45 Remove a SEED file connection 0 0 0 0 0 0 00 45 SEED file catalog options 0 0 0 ei a a e a Ea ee eee 45 Create a SEED event catalog 1 0 cea 4
167. tem Default buttons at once 5 4 4 8 Reset files to the default setup You can reset files containing the following information to the setup files shipped with Atlas This will overwrite current files with the original setup information Command file Crustal model Station name file Weighting parameters 6 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 5 Event Data Trial hypocenter settings 1 Open the Hypoinverse Settings Dialog Box see Section 5 4 4 2 2 In the Reset Files panel click Retrieve Original Hypoinverse Setup 3 In the Confirm Overwrite Files dialog box click Yes to overwrite the existing files To retain the current files click No 5 5 Event bulletins and comments Atlas provides the option to create HTML bulletins for events and to add comments to events The comments are included in the event bulletin and can also be viewed sepa rately from within Atlas 5 5 1 Create an HTML event bulletin 1 In the Event menu choose Create Bulletin Figure 5 16 Figure 5 16 Create or view an event bulletin Event A r Create Edit Comment Catalog Exportto Y Files 9 ta Daj Sort Traces By gt 2 In the Creating an Event Bulletin dialog box Figure 5 17 set the bulletin options a Define the location and name of the event bulletin directory in Directory Name b Click to select V or to deselect options for the information that is to be included in the bul
168. terlevel 15 0 1 Lower Cutoff Hz Lj Upper Cutoff Hz 6 2 5 Ground Motion Conversion filter The ground motion conversion filter converts among different ground motion types displacement velocity and acceleration It integrates or takes the derivative of the input trace as required See Table 6 9 Table 6 9 Ground motion conversion filter settings Setting Description Input Motion Sets the motion type of the input trace The option Obtain from Trace reads the input units of the channel response for the trace If the units are M M S M S S or M S 2 the input motion is set to displacement velocity and acceleration respectively Output Motion Sets the type of ground motion to convert to 14389R5 2005 01 20 Atlas Version 1 2 User Guide 83 Chapter 6 Filters Figure 6 10 Ground Motion Filter dialog box xi Input Motion Obtain from Trace Y Output Motion displacement y EE 6 2 6 Trend Removal filter The Trend Removal filter removes the average value and or linear trend of a trace when the option is selected vl Table 6 10 Trend removal filter settings Setting Description Remove average Removes the average of a trace Remove linear trend Removes the linear trend of a trace Figure 6 11 Trend Filter dialog box xl vj Remove average vj Remove linear trend 6 3 Instrument Response Instrument response is built upon
169. the Atlas filtering system An instrument response is essentially a filter group with a start time and an end time that represents the response of the instrument for a given channel 9 Note Instrument response history is only available on Earthworm databases at the current release Atlas maintains a history of instrument response for each channel and provides meth ods for entering and updating the response Whenever a trace is loaded Atlas finds the most recent or most suitable channel response and attaches it to the trace The instru ment response can then be used for instrument deconvolution instrument simulation and for determining the ground motion measured when converting among motion types displacement velocity and acceleration Once an instrument response has been loaded as part of a trace it is independent of the response data stored in the original data source and can be edited for that trace Next time the trace is saved the instrument response on the target data source will be updated with this new response 84 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 6 Filters 6 3 1 Earthworm Instrument Response For Earthworm databases with Atlas Extensions instrument response history is auto matically updated whenever a trace is saved with a new response After an update any new traces loaded from the data source will use the new response if applicable When loading a trace Atlas retrieves the most recen
170. the Seismic Event Display Settings dialog box click on the drop down list to the right of the P pick Residual data type button and select Circle Figure 3 12 The default Color setting will be displayed below the data type button Click Ok to activate the settings Figure 3 12 Set the station symbol type seismicevent Display Settings ES The circles around the station symbols represent the magnitude of the P pick residual for each station Figure 3 13 To review the picks left click once on a station with a large circle This will select the traces for that station in the main Atlas event window Adjust the pick on the trace Repeat this for each pick with a large residual Once you have adjusted the picks re locate the solution Repeat this process until you are satis fied with the solution If the solution itself is not in the correct place perhaps because the location algorithm is finding a local minimum you can set an initial trial solution by dragging the solution to anew location Dragging of the solution is only available if the current Hypoinverse 14389R5 Atlas Version 1 2 27 2005 01 20 User Guide Chapter 3 A Quick Tour of Atlas settings for trial hypocenter are configured to Set initial conditions See Section 5 4 4 Editing general Hypoinverse settings on page 64 You can also alter the ini tial depth and select whether to use a fixed depth using the depth slider panel Figure 3 13 Station with a
171. the current session Note Filters created in the applied filters group are not saved after the event is closed You can save a filter from the applied filters group for use in future sessions drag and drop the filter into a saved filter group 1 Right click on the desired channel filter group for a selected trace in the Applied filter panel Figure 6 2 and then choose New Filter from the pop up menu 14389R5 Atlas Version 1 2 73 2005 01 20 User Guide Chapter 6 Filters The first node in the applied filter panel is the name of the channel of the selected trace Figure 6 4 Applied filter group menu 0 al Saved Filter Groups ae Apply To All Traces New Filter Load EEN Rename Remowe Filter Group 2 Inthe Select Filter dialog box click to select the type of filter that you want to cre ate Figure 6 3 3 Set the filter parameters See Section 6 2 Filter options on page 76 for descrip tions of the options for each filter type 4 Click Ok in the filter dialog box to create the filter As soon as the filter is created the trace changes to its filtered state The new filter will appear at the end of the applied filter group list for the channel 6 1 3 Change the order of filters in a group Filters are applied to a trace in the order in which they appear in the list filters at the top of the list are applied first gt Click and drag filters within the group to apply them in a differen
172. the new information is lost unless it is deliberately saved to the database Hypoinverse operates with a set of files that give instructions for which stations to use in calculations as well as any weights delays or corrections to apply The paper trail is quite complicated so a result may be a function of several parameters from multiple files Atlas ships with an initial set of files but some of these files will probably not apply to your network In addition the Hypoinverse output is not completely parsed so not all of the output will get saved The following three sections will discuss how to setup the Hypoinverse suite of files how Atlas constructs and parses the input and out put files and finally some of the limitations of Hypoinverse A 2 How to set up Hypoinverse Hypoinverse is a FORTRAN program that calls a file named hypinst which con tains Hypoinverse commands as well as links to additional command files As part of the initial setup shipped with Atlas hypinst calls the command file Atlas hyp located in the user hypoinverse directory Then hypinst names the input and output files and locates the event If any of this information is changed Hypoinverse will still run but the connection to Atlas may break The input file called HypoAt las In is created by Atlas and placed in the user direc tory This file contains phase duration and amplitude data from Atlas memory that Hypoinverse uses for calculations The output f
173. then click Set Marker in the pop up To cancel click anywhere outside the Set Marker pop up 14389R5 Atlas Version 1 2 1 03 2005 01 20 User Guide Chapter 8 Maps 8 4 4 Seta trial depth gt In the depth slider window see Figure 8 1 on page 94 click and drag the depth slider E gt to the new depth To access a depth that is not shown on the slider click zoom out amp until the depth wanted is visible You can also zoom in to decrease the range shown and reset the slider to the starting configuration 9 If the slider is not editable then the initial conditions are set to defaults in the Hypoinverse Settings gt To make the slider editable edit the Hypoinverse settings see Section 5 4 4 5 Set initial conditions for Hypoinverse calculations on page 67 9 Note Hypoinverse allows the setting of a trial depth that applies to all location runs The default depth is 7km but may be reset by editing the Hypo Set tings see Section 5 4 4 5 on page 67 Before locating the depth can be reset for the current run 8 4 5 Fix the current depth gt In the Depth slider panel select the Fix Depth button to fix the depth of the current run 9 FixDepth and for subsequent Hypoinverse runs Ifthis button is not selectable the Hypoinverse Settings are set to use default initial conditions e If this button is selected and not editable then the settings are set to a fixed depth and all Hypoinverse runs will fix de
174. tion information make a copy of the solution before editing the original see Section 5 3 9 Copy a solution on page 58 You can edit solutions Options include Change the view of a trace for example zoom in on the trace Add new phase picks amplitude picks and coda durations Edit existing picks and durations 5 4 1 Changing the view of a trace You can change the view of main pick and zoom traces by using the mouse or the Event window toolbar buttons Figure 5 11 shows the event window trace panels and toolbars 14389R5 Atlas Version 1 2 59 2005 01 20 User Guide Chapter 5 Event Data The horizontal toolbar contains two sets of buttons Time axis and Y axis Time axis buttons allow zooming in and out on the time scale of the trace Y axis buttons allow zooming in and out on the amplitude of the trace The set of toolbars on the left operates on all pick traces while the set on the right operates on all main traces The rulers below the toolbar display the time period for the pick and main traces The vertical rulers show the amplitude of the trace The vertical toolbar is a Y axis toolbar that allows zooming in and out on the amplitude of the trace for one channel Figure 5 11 Event window trace panels and toolbars ZZ sample seedi2001 11 29 14 35 24 Mag 1 53 Dung Time axis buttons on A Horizontal toolbar TUM HM Y 20s 30 Vertical toolbar Y axis buttons P Pi
175. trace to change the start time for the view of the trace 5 4 2 Picking traces 5 4 2 1 g You can add phase picks coda durations and amplitude picks to traces Atlas currently supports two pick weights 0 and 100 Picks with 0 weight inactive or disabled picks will not be used when locating a solution Picks with 100 weight active or enabled picks are used when locating solu tions There are other weight factors that when combined determine the total weight of the pick when used in Hypoinverse These weights are based on channel weights as well as distance and time from the origin of the event See Appendix A Hypoinverse for more information Note Zooming the view of the trace before working with picks can make posi tioning the pick easier see Section 5 4 1 Changing the view of a trace on page 59 Add a phase pick to a trace You can add phase picks to a trace by using the mouse as described in this procedure or using the Pick Editor dialog box see Section 5 4 3 2 1 Edit picks on page 63 1 Select the appropriate phase pick tool either P ah or S a the Trace tools toolbar All Pick traces will centre around existing picks of the selected type Traces with no picks of the selected type will centre around the location of the mouse pointer on the Main trace 2 Oneither the main trace or zoom trace move the mouse pointer to the new pick location 3 Shift click to add a new phase
176. trics catalog dialog box File View Tools Hep x E aglurion Catalog Name Unnamed TP t Channel Event Trigger Catalogs s MT 9 a Data Sources E teat Unie q i gl 0 189 ad New Catalog Date 070 Yr im d Timsoh sm ls 3 D Show hidden events amp triggers T End Time Properties z z Date 5 m Cia Time ith lem bos Lj Most Recent E Lj Minimum amplitude 0 Ok Cancel 2 Inthe Catalog dialog box click the Event tab and then set the criteria for events to be listed in the Nanometrics event catalog gt To list all events for any time period and all amplitudes leave all options unse lected To list events for a time period use either the Start Time and End Time fields or the Most Recent time period field and drop down list The Start Time oldest event and End Time most recent event options are in GMT time The Most Recent option will list all events that occurred in the defined time period For example to list all events in the last five days click on the checkbox beside Most Recent type 5 in the text box and choose days from the drop down list To list events of a minimum amplitude for a defined time period type the limit value in the Minimum Amplitude field 3 In the Catalog Name text box type in a name for the catalog 4 Click Ok to create the Nanometrics event catalog or click Cancel to discard t
177. use button while the mouse pointer is on the selected item Double click Tap the left mouse button twice while the mouse pointer is on the selected item Right click Tap the right mouse button while the mouse pointer is on the selected item Key1 Key2 Hold down Key while pressing Key2 for example Shift Tab to move back through options in a window Shift click to add a pick to a trace Table 2 2 General navigation mouse actions Option Mouse action Select an item Click Open an item Double click Open a menu related to an item Right click 14389R5 Atlas Version 1 2 5 2005 01 20 User Guide Chapter 2 Setting Up A New Installation Table 2 3 General navigation keyboard commands Option Keyboard command Move the cursor to the next button or option Tab Move the cursor to the previous button or option Shift Tab Select the button or option Space Activate all selected options Enter Data sources catalogs and files are organised in a file tree for example Figure 2 1 The key looks like Y when it is open and when it is closed gt To open or close a tree node either double click on the node title or click on the key Figure 2 1 Tree structure for event data Catalogs Filters 9 a Data Sources qi alenns a test3 0 SS Diseed_filesisample seed ZZ All Events o ZA tect Trace images will open in the Event window Figure 2 2 on the Atlas event des
178. vailable Shows whether the event contains traces for the station Options are true 100 false 0 First Motion Shows the first motion detected at the sta tion Options are Up Down or Unknown P Phase Pick Available Shows if the phase has been defined for S Phase the station Pick Weight Code Weight code for the phase as passed to hypolocate Two weight codes are currently available on 100 and off 0 Arrival Weight Used Shows the actual weight of the arrival as used by hypolocate for the pick Pick Residual Shows the residual between the actual and calculated picks Duration Magnitude Pick Available Shows if a duration magnitude pick has Local Peak Peak Magnitude been set for the station Pick Weight Code Displays the weight code passed to hypolocate for the duration magnitude Station Magnitude Shows the station duration magnitude calculated Residual Shows the residual between the calculated and actual duration magnitudes for the station Once a symbol has been selected to represent a piece of information in most cases there is an option to set an additional attribute relevant to the symbol type for example shape colour or line thickness Options available to display a piece of information are different depending on the piece of information For instance the first motion for a given station may be displayed by changing the shape of the station This is not a
179. vailable for a pick residual Also certain ways of showing information can be used only once within a data settings group For example a bar chart can be selected to display any number of pieces of information Colour can only be set for one piece of information once it is used it will no longer appear as an option Table 8 4 Station symbol options Option Description Bar Chart Displays a piece of data as one of the entries on a bar chart above the station symbol Any number of pieces of information can be displayed with this symbol option Editable attributes Colour Circle Displays a piece of data as a circle around the station symbol The size of the circle will be determined by the value of the data Any number of pieces of information can be displayed with this symbol option each piece of information creating its own circle Editable attributes Colour 112 Atlas Version 1 2 14389R5 User Guide 2005 01 20 Chapter 8 Maps Table 8 4 Station symbol options Continued Option Description Color The fill colour for the station symbol will vary between two colours representing a minimum and a maximum value depending on the value of the data being displayed One piece of information per data settings group can be displayed with this symbol option Editable attributes Colour Outline The outline colour for the station symbol will vary between two colours repr
180. vents for a given time period or all events if a time period is not specified Events are exported from SEED files or saved from Earthworm databases or Nanometrics data servers See Section 2 2 1 3 1 on page 10 for information on SEED file limitations By default a SEED catalog containing all events is created when a data source is defined You can create modify and remove a SEED event catalog You can update the list of events delete events and copy events to another data source 14389R5 2005 01 20 Atlas Version 1 2 User Guide 45 Chapter 4 Data Sources and Catalogs 4 3 2 1 Create a SEED event catalog 1 Right click on the SEED file node and then choose New Catalog in the pop up menu 2 Set the criteria for events to be listed in the SEED event catalog All events Leave all options unselected Events for a specific time period Use either the Start Time and End Time fields or the Most Recent time period field and drop down list The Start Time oldest event and End Time most recent event options are in GMT time The Most Recent option will list all events that occurred in the defined time period For example to list all events in the last five days click on the checkbox beside Most Recent type 5 in the text box and choose days from the drop down list 3 In the Catalog Name text box type in a name for the catalog This is the name of the catalog as it appears on the Catalogs panel 4 Click O
181. x will list all saveable data sources that have been defined Optionally you can type in an Event Name if you are saving to an Earthworm database with Atlas extensions To save click Ok The saved event will now appear in your Earthworm catalog or SEED file catalog and disappear from your Nanometrics data server cata log Itis initially identified by the time ofthe preferred solution The event name is edit able for Earthworm databases only 3 7 Refine solutions with the map utilities You can refine a solution using the Atlas interactive map Click on the Show map but ton in the main toolbar to display a new map window for the event Figure 3 9 Figure 3 9 Map window Map for 2001 11 29 14 35 24 psam v sil A a omn m PEL h Sse Wes NC MLC Station heels Med Epicenter marker M E NNHTC R None Trace Data Available true Pick Residual e First Motion None P Pick Residual 18 Atlas Version 1 2 25 14389R5 User Guide 2005 01 20 Chapter 3 A Quick Tour of Atlas The map window uses various symbols to represent information The squares represent stations if set to indicate first motion stations may display as triangles the solution error is represented by a red circle not visible in this example while the black circle or where the pin is pointing to represents the origin Additional information is displayed in panels On the right side is a depth slider that displays

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