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Instituto de Meteorologia, I.P. Department of Seismic and Geophysical Monitoring NEAREST 1 st Meeting, Bologna, October 2006.

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Presentation on theme: "Instituto de Meteorologia, I.P. Department of Seismic and Geophysical Monitoring NEAREST 1 st Meeting, Bologna, October 2006."— Presentation transcript:

1 Instituto de Meteorologia, I.P. Department of Seismic and Geophysical Monitoring NEAREST 1 st Meeting, Bologna, October 2006

2 Instituto de Meteorologia, I.P. 1947 – Serviço Nacional de Meteorologia;1977 – Instituto Nacional de Meteorologia e Geofísica; 1993 – Instituto de Meteorologia; 2003 – Instituto de Meteorologia, I.P. 1947 – Serviço Nacional de Meteorologia;1977 – Instituto Nacional de Meteorologia e Geofísica; 1993 – Instituto de Meteorologia; 2003 – Instituto de Meteorologia, I.P. National responsable for the activities in National responsable for the activities in Meteorology Meteorology Seismology Seismology Geomagnetism Geomagnetism

3 Instituto de Meteorologia, I.P. Atributions: Atributions: Maintain and develop the national information systems of meteorology and seismology Maintain and develop the national information systems of meteorology and seismology Exclusivity in the dissemination of bad weather warnings Exclusivity in the dissemination of bad weather warnings Promote contacts with Civil Defense in case of seismic or meteorologic catastrophes Promote contacts with Civil Defense in case of seismic or meteorologic catastrophes Promote the development of the international relations and cooperation in the domains of meteorology and seismology Promote the development of the international relations and cooperation in the domains of meteorology and seismology

4 Instituto de Meteorologia, I.P. Department of Seismic and Geophysics Monitoring: Department of Seismic and Geophysics Monitoring: National responsible for monitoring the seismicity in mainland, Madeira islands and adjacente areas National responsible for monitoring the seismicity in mainland, Madeira islands and adjacente areas Gives support to the seismic monitoring in Azores, which is performed by the SIVISA consortium (IM and University of Azores) Gives support to the seismic monitoring in Azores, which is performed by the SIVISA consortium (IM and University of Azores) Runs several seismic networks in the mentioned regions Runs several seismic networks in the mentioned regions Portable network Portable network Research work on seismicity, seismotectonics, seismic attenuation and experimental seismology Research work on seismicity, seismotectonics, seismic attenuation and experimental seismology

5 1997-2004 Published data (1961-2004)

6 Seismicity 1996-1999 (errZ(90%)<10km

7 Contribution to the NEAREST project Portuguese National Seismic network Portuguese National Seismic network New broadband and RT network under installation (MODSISNAC) New broadband and RT network under installation (MODSISNAC) Seismic monitoring and surveillance experience Seismic monitoring and surveillance experience

8 Mainland/Madeira Network [IMP]

9 MODSISNAC – new BB seismic network MODSISNAC – new BB seismic network by performing major improvements in the present network: introduce significant enhancements in the remote stations adopt (near) real-time transmission of signals real-time processing capability Supported by Portuguese National Science Foundation, FCT (20 stations) Private Donation (GALP – oil company) (2 stations) Instituto de Meteorologia, I.P. (operation and maintenance) Solve some constrains: frequency band (SP stations …) dynamic range non real time (digital)

10 MODSISNAC – new BB seismic network MODSISNAC – new BB seismic network These improvements will permit: 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 Civilian Protection authorities automatic archive of recorded data development of high-level products (bulletins, shake maps, etc.) contribute to international monitoring efforts (FDSN, ORFEUS, tsunami projects [NEAREST, IOC]) data for scientific research purposes

11 MODSISNAC – new BB seismic network MODSISNAC – new BB seismic network Seismometer CMG-3T & 3ESP compact Accelerometer CMG-5T Digitiser DM24 (6 components) (GPS time signal) Seiscomp unit (seiscomp software) VSAT / Internet (seedlink) 21 stations Data Center (Lisbon) (SEISCOMP) Seismometer STS-2 Accelerometer Episensor Digitiser Q330 (6 components) (GPS time signal) Seiscomp unit (seiscomp software) 1 station Quality Control Near RT processing Manual revision Archieve (Storage Area Network)

12 MODSISNAC - New BB Seismic Network Madeira isl. Azores isl. Portugal mainland Planned Existing RT(IRIS/IDA, GEOFON, IST, CGUL)

13 Expectations Identification and characterization of the tsunamigenic sources; impact scenarios in SW Portugal Identification and characterization of the tsunamigenic sources; impact scenarios in SW Portugal Long-term seafloor observatory with RT access Long-term seafloor observatory with RT access EWS Prototype EWS Prototype

14 <90º90º-180º 180º-270º>270º Seismicity 1970-2000


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