SEISAN Earthquake Analysis Software

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Presentation transcript:

SEISAN Earthquake Analysis Software Lars Ottemöller and Jens Havskov (University of Bergen) Peter Voss (GEUS)

Background Development started in the late 80s Large number of software contributors Steady improvements, now Version 9.1 Basics unchanged Supported operating systems: Solaris, Windows, Linux and MacOS

Who uses SEISAN Geographically widely used (Norway, UK, France, Spain, ..., India, Iran, Philippines, ..., Central and South America, South and East Africa, ...) 15% of data sent to ISC in SEISAN format National and regional seismic networks Volcano observatories Researchers

What can you do with SEISAN Import/Export data Store data (waveform and parametric) Observatory routine: Analyse earthquake data (signal processing, phase identification, ...) Compute earthquake parameters (location, magnitude, ...) Fault plane solution Seismicity maps Produce bulletin and catalogue search Research platform, several additional data processing tools

Philosophy Open source Open system Non-commercial Multi-platform Integrate essential tools and data storage into one package Provide documentation Provide support Provide training

SEISAN Help Manual (PDF and HTML) Training document Seisan Webpage http://www.uib.no/rg/geodyn/artikler/2010/02/software Mailing list: seisan@geo.uib.no Authors: jens.havskov@geo.uib.no lars.ottemoller@geo.uib.no pv@geus.dk

Other software SAC (http://www.iris.edu/manuals/sac/index.htm) Geotool (CTBTO) Seismic Handler (http://www.szgrf.bgr.de/sh-doc/index.html) Giant/Pitsa (http://www.geo.uni-potsdam.de/forschung/software/giant.html) … Link on Orefus and IRIS

Data Types Waveform data Calibration data Parametric data

Waveform data Created by digitising analogue output from seismometer and time stamping Consists of amplitude and time Translates into ground motion using instrument response information Written out by data acquisition system Waveform formats understood directly by SEISAN: SEISAN, SEED, miniSEED, SAC, GSE

Waveform data files Single or multiple channels Data identifier: Station code, Channel code, Network code, Location code Timing information Data values Used for: Recording, analysis, archival, data exchange, …

Waveform data into SEISAN Conversion of data created by data logger Conversion of data provided by another agency (IRIS, ORFEUS, ...) Data written out by near real-time processing system (Earthworm, Seislog, SeisComP, ...) Automated data collection: SEISNET

Waveform Conversion Examples Rdseed: SEED -> miniSEED SEED -> SAC … Wavetool: (mini)SEED <-> SEISAN SAC <-> SEISAN GSE <-> SEISAN …

Parametric data Derived from waveform data Observations: Computed: Arrival times and residuals Amplitudes Polarities Computed: Hypocenter location Magnitudes Fault plane solution

SEISAN Directory Structure C:\seismo SEISAN-TOP REA WAV CAL DAT INF WOR TEST BER BER Workspace Response Files Documentation Parameter Files 2005 2006 2005 01 02 03 ... 01 02 03 ... Parametric files Waveform files

Main SEISAN programs EEV: Database tool MULPLT: Seismogram analysis HYPOCENTER: Location of local, regional and teleseismic earthquakes EPIMAP: Seismicity maps FOCMEC: Fault plane solution SELECT: Extract parametric data

EEV

Main SEISAN programs EEV: Database tool MULPLT: Seismogram analysis HYPOCENTER: Location of local, regional and teleseismic earthquakes EPIMAP: Seismicity maps FOCMEC: Fault plane solution SELECT: Extract parametric data

MULPLT

MULPLT

MULPLT

Main SEISAN programs EEV: Database tool MULPLT: Seismogram analysis HYPOCENTER: Location of local, regional and teleseismic earthquakes EPIMAP: Seismicity maps FOCMEC: Fault plane solution SELECT: Extract parametric data

HYPOCENTER MAGNITUDES All main magnitude scales can be used: Local magnitude Ml Coda magnitude Mc Body wave magnitide mb, mB Surface wave magnitude Ms, MS Moment magnitude Mw

HYPOCENTER

Main SEISAN programs EEV: Database tool MULPLT: Seismogram analysis HYPOCENTER: Location of local, regional and teleseismic earthquakes EPIMAP: Seismicity maps FOCMEC: Fault plane solution SELECT: Extract parametric data

EPIMAP

Main SEISAN programs EEV: Database tool MULPLT: Seismogram analysis HYPOCENTER: Location of local, regional and teleseismic earthquakes EPIMAP: Seismicity maps FOCMEC: Fault plane solution SELECT: Extract parametric data

FOCMEC

Main SEISAN programs EEV: Database tool MULPLT: Seismogram analysis HYPOCENTER: Location of local, regional and teleseismic earthquakes EPIMAP: Seismicity maps FOCMEC: Fault plane solution SELECT: Extract parametric data

SELECT

Format Examples GSE Waveform DATA_TYPE WAVEFORM GSE2.0 WID2 2007/06/04 17:34:54.000 ESK HHZ INT 40000 100.000000 0.10E+01 1.000 -1.0 0.0 STA2 55.31650 -3.20517 0.261 0.000 DAT2 -986 -988 -990 -987 -992 -984 -982 ...

Format Examples GSE Calibration DATA_TYPE RESPONSE GSE2.0 CAL2 ESK HHZ CMG-3 0.13E+00 1. 100.00000 2005/06/01 16:00 PAZ2 1 V 1.12701317E+03 5 3 Laplace transform -0.148031845+00 0.148031845+00 -0.148031845+00 -0.148031845+00 -0.11309730E+04 0.00000000E+00 -0.10053090E+04 0.00000000E+00 -0.50265500E+03 0.00000000E+00 0.00000000E+00 0.00000000E+00 DIG2 2 6.29326620E+05 100.00000 Reftek

Format Examples GSE Phases EVENT 00000001 Date Time Latitude Longitude Depth Ndef Nsta Gap Mag1 N Mag2 N Mag3 N Author ID rms OT_Error Smajor Sminor Az Err mdist Mdist Err Err Err Quality 2007/04/28 07:18:11.3 51.0730 1.1670 0.0 156 124 65 ML 4.3 41 00000001 0.70 +- 2.32 0.0 0.0 0 +- 5.6 0.04 11.85 +-0.2 m i se Sta Dist EvAz Phase Date Time TRes Azim AzRes Slow SRes Def SNR Amp Per Mag1 Mag2 Arr ID TFO1 9.18 338.0 m P 2007/04/28 07:18:12.6 0.1 T 9.2 00000001 TFO1 9.18 338.0 m S 2007/04/28 07:18:13.8 0.3 T 9.2 00000002 MENF 9.18 129.0 m P 2007/04/28 07:18:27.2 0.2 T 3.8 00000003 MENF 9.18 129.0 m S 2007/04/28 07:18:38.7 0.3 T 3.8 00000004 APA 9.18 9.0 mc P 2007/04/28 07:18:34.2 -0.2 T 3.5 00000005 SKP 9.18 298.0 m P 2007/04/28 07:18:37.2 0.3 T 3.5 00000006

Format Examples SEISAN Waveform 21107 155 6 4 17 29 59.000 1202.000 CWF HH Z 0.99 1201.01 CWF HH N 0.99 1201.01 CWF HH E 0.99 1201.01 EDI HH Z 0.99 1201.01 EDI HH N 0.99 1201.01 EDI HH E 0.99 1201.01 GAL1HH Z 0.99 1201.01 GAL1HH N 0.99 1201.01 GAL1HH E 0.99 1201.01 HPK HH Z 0.99 1201.01 HPK HH N 0.99 1201.01 HPK HH E 0.99 1201.01 KPL HH Z 0.99 1201.01 KPL HH N 0.99 1201.01 KPL HH E 0.99 1201.01 LRW HH Z 0.99 1201.01 LRW HH N 0.99 1201.01 LRW HH E 0.99 1201.01 PGB1HH Z 0.99 1201.01 PGB1HH N 0.00 1202.00 PGB1HH E 0.00 1202.00 CWF HH Z107 155 6 4 17 29 59.990 100.00 120102 4 … -4231 -4220 -4223 -4227 -4229 -4218 -4206 -4200 -4198 -4201 -4202 -4217 -4202 -4205 -4217 -4208 -4221 -4223 -4216 -4233 -4236 -4231 -4239 -4238 -4230 -4216 -4231 -4235 -4217 -4207 -4198 -4195 -4200 -4192 -4183 -4178 -4178 -4183 -4172 -4178 -4179 -4185 -4195 -4198 -4197 -4186 -4196 -4192 -4196

Format Examples SEISAN Calibration ESK S Z 97 044 2 13 17 30 0.000 55.3167 -3.2050 263 Mk3;500V/m/s;fmA/M(5)40dB;Flt.002&40Hz@-1&6p;VME A/D2048c/V RMY 13/02/97 1.000 0.700 499.251 40.0002048.000.459E+09 0.002 -1.000 40.000 6.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 .100 .200 .300 .400 .500 .600 .700 .800 .900 1.00 .140E-02.112E-01.377E-01.888E-01.171 .286 .435 .609 .801 1.00 -1.701 -1.864 -2.026 -2.192 -2.366 -2.545 -2.727 -2.905 -3.077 3.047 1.10 1.20 1.60 2.00 2.40 3.00 4.00 5.00 6.00 8.00 1.20 1.39 2.10 2.73 3.32 4.18 5.60 7.00 8.40 11.2 2.902 2.771 2.380 2.129 1.954 1.765 1.542 1.371 1.226 0.970 10.0 12.0 14.0 17.0 20.0 23.0 26.0 30.0 40.0 50.0 14.0 16.8 19.6 23.8 28.0 32.2 36.3 41.4 39.6 17.8 0.738 0.516 0.297 -0.028 -0.358 -0.697 -1.052 -1.565 -3.107 1.917

Format Examples SEISAN Phases 2007 8 1 0413 43.84L 56.463 -6.531 12.2 BGS 8 0.4 1.4LBGS 1 GAP=270 1.08 6.3 29.0 12.4 0.1431E+03 -0.1777E+03 -0.1814E+02E XNEAR 150.0 XFAR 250.0 SDEP 10.0 3 2007-08-01-0414-21S.MOQ___014 6 2007-08-01-0412-50S.KYL___011 6 ACTION:REE 07-08-02 11:53 OP:gdf STATUS: ID:20070801041441 I STAT SP IPHASW D HRMM SECON CODA AMPLIT PERI AZIMU VELO SNR AR TRES W DIS CAZ7 KAR1 SZ EP 413 54.93 95 -0.0910 66.6 40 KPL HN ES 414 14.81 67 -0.0710 111 28 KPL HN AML 414 15.16 13.6 0.19 111 28 KPL HE AML 414 15.63 19.1 0.18 111 28 KAC SZ EP 414 5.68 67 0.1310 138 32 EAB SZ EP 414 5.55 67 -0.2410 139 102 PGB1 HE ES 414 24.01 67 0.3710 147 119 PGB1 HE AML 414 25.71 3.3 0.24 147 119 PGB1 HN AML 414 26.70 3.8 0.30 147 119 ELO SZ EP 414 9.49 54 -1.03 8 174 89 EDI HE ES 414 38.60 54 -0.43 3 216 105 EBH SZ EP 414 12.70 54 0.39 6 188 96 KPL HZ EP 414 2.16 67 0.4010 111 28

SEISAN introductory training course Demonstration Installation Seisan basics Phase picking Earthquake location Magnitudes Fault plane solution Earthquake spectra Participant’s data

Earthworm and SEISAN Earthworm is a modular automated processing system Functionality: real-time data import/export archive data signal processing: decimate, filter, ... helicorder and spectrogram plots detect seismic events locate and determine magnitude Data output can be in SEISAN format

Waveform and parametric detection files Earthworm Data Acquisition Association Verification Data Import Picker Location WAVE- RING PICK- RING HYPO- RING Shared Memory Wave Server Data Processing Event Trigger SEISAN format Waveform and parametric detection files Data Archival