Portuguese National Strong Motion Network Operated by IPMA

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Eliana Salvado Vieira
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1 Portuguese National Strong Motion Network Operated by IA IA - Instituto Português do Mar e da Atmosfera, I.P. International Workshop on Strong Motion and Acceleration Data AFAD & ORFEUS AFAD, Ankara May/2014

2 Seismotectonic Setting Eurasia plate American plate ZOC ZC JTA ZOR FG Nubia plate Seismicity (ISC)

3 Seismicity Azores-Madeira-Mainland PT unknown A zo re s Madeira

4 Modernization of the IA Seismic Network Supported by - Portuguese National Science Foundation, FCT (20 new stations + 6 upgrades) - Private Donation (GALP oil company) (3 new stations) - Instituto de Meteorologia, I.P. Solve some constrains: - frequency band (SP stations ) - dynamic range - non real time (digital) by performing major improvements: - introduce significant enhancements in the remote stations - adopt (near) real-time transmission of signals - real-time processing capability

5 Modernization of the IA Seismic Network These improvements allowed: - quality data acquisition in highly sensitive stations which are also equipped with strong-motion sensors - higher quality digital transmission - real time monitoring at the Operational Center - automatic signal detection - automatic association of detections, event location and magnitude evaluation - development of a rapid earthquake information system for Civil Protection authorities - automatic archive of recorded data - development of high-level products (bulletins, shakemaps, moment tensors, etc.) - contribute to international monitoring efforts (FDSN, ORFEUS, tsunami projects [NEAMTWS]) - data for scientific research purposes

6 Upgraded Seismic Network 22 stations 1 station Seismometer CMG-3T & 3ESP compact Accelerometer CMG-5T Digitiser DM24 (6 Seismometer STS-2 Accelerometer Episensor Digitiser Q330 (6 PC unit (seiscomp software) PC unit (seiscomp software) components) 6 stations Seismometer LE3D Accelerometer CMG-5T Digitiser+logger EAM (6 components) or DM24 + seiscomp (seedlink server) components) upgraded new new VSAT / DSL / 3G (seedlink) Data Center (Lisbon) (SEISCOMP) Quality Control (Seiscomp+Cont Qual+Soh) Archieve Near RT processing (Seiscomp) Check&Register (Data_Extract) Manual revision (Seisan) (Storage Area Network)

7 New Seismic Stations PVAQ (Vaqueiros) Broadband sensor accelerometer

8 New Seismic Stations PBAR (Barrancos)

9 Seismic Network VSAT Internet MPLS IA data center, Lisbon

10 Data Flow GE/ROA CTBTO +1 SP H07S1 +6 SP VPN's over Internet (8) PSMN PGAV OZ PBAR RV PCVE ROSA POLO PNCL PVAQ PBDV PFVI LX PCAS PSET TG MVO AFR PESTR MORF +6 SP IM support VSAT (25) SFS IU MO GE MTE IA support WM PAB CMLA IA support IP MN EVO II RSA EAH RTC LX PST MESJ IG PBRG GGNV HORN PGRA CEUT PSBE +12 SP ST PACT MTOR SS COI ES ESBB EOSO EOSO EPON EADA EMAZ ECAL EFAM RD MFT2 MTT2 PGT2 ROT2 LOT2 ORT2 CEA MPLS (6) Internet [public] (40) INMG Archive (storage area network) NRT processing (autopick & autoloc & SOH) DMC TREMOR Check& register (data_extract) GFZ Manual Analysis (SEISAN) IA firewall mplsserver ODC imslserver IGN IA DMZ's IA LAN IA firewall partners

11 Data Flow GE/ROA CTBTO +1 SP H07S1 +6 SP VPN's over Internet (8) PSMN PGAV OZ PBAR RV PCVE ROSA POLO PNCL PVAQ PBDV PFVI LX PCAS PSET TG MVO AFR PESTR MORF +6 SP IM support VSAT (25) SFS IU MO GE MTE IA support WM PAB CMLA IA support IP MN EVO II RSA EAH RTC LX PST MESJ IG PBRG GGNV HORN PGRA CEUT PSBE +12 SP ST PACT MTOR SS COI ES ESBB EOSO EOSO EPON EADA EMAZ ECAL EFAM RD MFT2 MTT2 PGT2 ROT2 LOT2 ORT2 CEA MPLS (6) Internet [public] (40) INMG Archive (storage area network) NRT processing (autopick & autoloc & SOH) DMC TREMOR Check& register (data_extract) GFZ Manual Analysis (SEISAN) IA firewall mplsserver ODC imslserver IGN IA DMZ's IA LAN IA firewall partners

12 Data Quality Control - Noise

13 Data Quality Control - Noise

14 Data Quality Control - Noise

15 IA Accelerometer Station List

16 IA Accelerometer Stations Real-Time (latency <10s) Satellite [VSAT] Internet (public & VPN) Local

17 Example 56 km :52 UTC 3.6ML SW Ourique, Portugal mainland 62 km 65 km 163 km 170 km 220 km 224 km Macroseismic observations (DYFI)

18 Example ShakeMap :52 UTC 3.6ML SW Ourique, Portugal mainland Macroseismic observations (DYFI)

19 Strong-Motion Data Distribution Data format Continuous data streams Strong motion parameters Time Delay after earthquake occurrence Real time User identification Users registration (login/password) Restrictions Use for Research/Academic Use for Governamental institutions Publishing and ackowledgment Citation Link to Web Page

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