Exploring the feasibility of an early warning system in a moderate seismicity context: case study of Pyrenees

Samuel Auclair 1 Yolanda Colom 2 Xavier Goula 3 Jose-Antonio Jara 4 Anne Lemoine 1 Teresa Susagna 2 Bastien Colas 1
1 BRGM - Bureau de Recherches Géologiques et Minières (BRGM)
2 IGC - Institut geològic de Catalunya
3 IGC - Institut geològic de Catalunya
4 GEOCAT
Abstract : In the frame of the SISPyr project the feasibility of an Earthquake Early Warning system (EEW) covering Pyrenees is being studied. First of all, the analysis of the existing seismic stations shows that the SISPyr real-time network may be used as a base of a Pyrenean EEW despite that some difficulties exist to its implementation that should be solved. The exploration of an important Pyrenean waveforms database has also allowed to highlight that the main real-time magnitude assessment methodologies dedicated to EEW are fully adapted to the Pyrenean context even though the lack of strong-earthquakes' records limits the range of validity of our empirical relations. Finally, we considered the question of the opportunity to put in place an EEW in Pyrenees. As to do that, an analysis of theoretical performances of the system had been performed, completed by the carrying out of a survey, bound to Pyrenean potential end-users.
Keywords : Early-warning real-time seismology Pyrenees France Spain SISPyr
Type de document :
Communication dans un congrès
15th World Conference on Earthquake Engineering : 15th WCEE, Sep 2012, Lisbon, Portugal. A préciser, 2012
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Dernière modification le : jeudi 9 avril 2015 - 15:15:20
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Samuel Auclair, Yolanda Colom, Xavier Goula, Jose-Antonio Jara, Anne Lemoine, et al.. Exploring the feasibility of an early warning system in a moderate seismicity context: case study of Pyrenees. 15th World Conference on Earthquake Engineering : 15th WCEE, Sep 2012, Lisbon, Portugal. A préciser, 2012. 〈hal-00685937〉

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