"ShakeMaps" transfrontalières dans les Pyrénées

Présentation de Sara Figueras et Jose Antonio Jara (ICGC) au 2nd Workshop Résif "Aléa sismique & Shakemaps" | 29 - 31 janvier 2018, Montpellier

Transcript

1. « ShakeMaps » transfrontalières dans les Pyrénées Sara Figueras and Jose Antonio Jara
2. 2 2 « ShakeMaps » transfrontalières dans les Pyrénées 2nd Workshop RESIF – Aléa sismique & Shakemaps 29-31 January 2018, Montpellier, France  Project: Interreg IVa 2007-2013 France-Spain-Andorra  Participants: IGN, ICGC, BRGM, OMP, UPC, BCSF  Objective of the project: “Set up a common system for earthquake data acquisition and scientific resources sharing to improve the management of seismic crisis in the Pyrenees.”  Objective of the WP: Automatic computation, plotting and dissemination of an homogeneous cross-border sequence of shakemaps, during the minutes/hours after the occurrence of a M≥2.9 earthquake in the Pyrenean region
3. 3 3 « ShakeMaps » transfrontalières dans les Pyrénées 2nd Workshop RESIF – Aléa sismique & Shakemaps 29-31 January 2018, Montpellier, France  Functional Requirements/Abilities:  Use intensities and waveforms (vel + acc) of different agencies (cross-border).  Include soil effects.  Include regional attenuation laws (GMPEs, IPE and GMICEs).  Fully automatic system, but with the ability to be interactive.  Continuous coverage in the Pyrenean region.  Data update (ability to produce shakemaps sequences).  Dissemination of results (I, PGA, PGV and SA).
4. 4 4 « ShakeMaps » transfrontalières dans les Pyrénées 2nd Workshop RESIF – Aléa sismique & Shakemaps 29-31 January 2018, Montpellier, France Seismic networks Intensity Data • Predictive Equations • Soil effects • Station metadata • ... Location & Magnitude USGS ShakeMap V3.5 modified PG and SA computation
5. 5 5 « ShakeMaps » transfrontalières dans les Pyrénées 2nd Workshop RESIF – Aléa sismique & Shakemaps 29-31 January 2018, Montpellier, France  Seismic stations PAND
6. 6 6 « ShakeMaps » transfrontalières dans les Pyrénées 2nd Workshop RESIF – Aléa sismique & Shakemaps 29-31 January 2018, Montpellier, France  Input data  Event information <earthquake id="1494209473" lat="43.1189" lon="0.0106" mag="3.2" year="2017" month="05" day="08" hour="02" minute="08" second="28" timezone="GMT" depth="10" locstring="NE LOURDES.FRA" created="1494209466"/>  PG and SA <stationlist created="1494252902"> <station code="ATE" name="ATE" lat="43.08580" lon="-0.70030" insttype="Sispyr" netid="FR" source="Sispyr"> <comp name="HHE"> <acc value="0.022312" flag="0"/> <vel value="0.001928" flag="0"/> <psa03 value="0.008979" flag="0"/> <psa10 value="0.000767" flag="0"/> <psa30 value="0.000061" flag="0"/></comp></station></stationlist>  Intensitity <stationlist created="1494252301"> <station code="34271" name="NAY (Intensity 1, 10 responses)" insttype="BCSF" lat="43.18" lon="-0.26" source="BCSF (EMS98)" netid="INTENSITY" commtype="DIG" intensity="1"></station> </stationlist>
7. 7 7 « ShakeMaps » transfrontalières dans les Pyrénées 2nd Workshop RESIF – Aléa sismique & Shakemaps 29-31 January 2018, Montpellier, France  Soil effects: mesozonation map
8. 8 8 « ShakeMaps » transfrontalières dans les Pyrénées 2nd Workshop RESIF – Aléa sismique & Shakemaps 29-31 January 2018, Montpellier, France  Predictive equations: attenuation laws and conversions Existing laws Scherbaum et al, 2004 Selection of laws USGS Shakemap libraries update
9. 9 9 « ShakeMaps » transfrontalières dans les Pyrénées 2nd Workshop RESIF – Aléa sismique & Shakemaps 29-31 January 2018, Montpellier, France  Cartography and representation customization Default SISPyr
10. 10 10 « ShakeMaps » transfrontalières dans les Pyrénées 2nd Workshop RESIF – Aléa sismique & Shakemaps 29-31 January 2018, Montpellier, France  System overview 13 July 2012 11 December 2012 http://www.sispyr.eu/
11. 11 11 « ShakeMaps » transfrontalières dans les Pyrénées 2nd Workshop RESIF – Aléa sismique & Shakemaps 29-31 January 2018, Montpellier, France  Operational experience (Dec. 2012 – Jan. 2018) 112 Earthquakes: 87 of M<3.5 + 18 of 3.5≤M<4.0 + 7 of 4.0≤M<4.5
12. 12 12 « ShakeMaps » transfrontalières dans les Pyrénées 2nd Workshop RESIF – Aléa sismique & Shakemaps 29-31 January 2018, Montpellier, France  Operational experience: processing time 7/6/2013 _ 10:07:18 UTC 43.23ºN, 0.69ºW, 10km, M=3.8 • 10:09:07 Alert is detected • 10:09:35 Firsts results are published Total processing time: 27.3 seconds Total elapsed time since earthquake occurs: 2 min 17 seconds T0 Earthquake M> 2.9 T0+T1 Automatic alert is received T0+T2 Shakemap computation procedure T0+T3 Information Available on www.sispyr.eu T0+T4 Update if new data is available T0 + 24h Final ShakeMap 1 min 49 sec 2 min 9 sec 2 min 17 sec
13. 13 13 « ShakeMaps » transfrontalières dans les Pyrénées 2nd Workshop RESIF – Aléa sismique & Shakemaps 29-31 January 2018, Montpellier, France  Balance Using the USGS de facto standards facilitates data exchange and comparison of results. Advantages of using standard open source modules: cost effective, contribution to the community and high interoperability and expandability. High stability and reliability. After ~ 5 years of operation an upgrade/update is strongly recommended.
14. 14 14 « ShakeMaps » transfrontalières dans les Pyrénées 2nd Workshop RESIF – Aléa sismique & Shakemaps 29-31 January 2018, Montpellier, France  Future lines of work Update the USGS Shakemap system to V4. Add ability to retrieve data (waveforms and stations metadata) from servers supporting FDSNWS standards. Add web server capabilities (parametric search, dynamic maps, etc…) Integrated database within the web server to provide new functionalities. Extend the region of study towards the south.
15. 15 15 Thanks! 2nd Workshop RESIF – Aléa sismique & Shakemaps 29-31 January 2018, Montpellier, France « ShakeMaps » transfrontalières dans les Pyrénées