SIRA , Christophe

No description

The earthquake of magnitude ML(RENASS)=4.8 and ML(CEA-LDG) 5.2 occurred on 21 June 2019 at 6 h 50 min UT 8. h 50 min in local time). The moment magnitude (Mw) is calculated between 3.9 and 4.0. The mechanism at the focus is essentially stalling. Waveform inversion indicates a preferential depth between 5 and 7 km. The epicentre is located 6 km...

The May 29, 2023 earthquake is located in Switzerland, close to the border with France (1 km), west-southwest of Porrentruy. It follows a series of earthquakes of equivalent magnitude already recorded in this area since December 2021. The local magnitude of the main earthquake calculated by the various national organizations (BCSF-Rénass,...

The February 10, 2024 (Universal Time) earthquake is located in Haute-Saône, east of Vesoul. The local magnitude of the main earthquake, calculated by BCSF-Rénass and CEA-DASE, is 3.6 MLV and 3.8 ML respectively. The moment magnitude (Mw) calculated by Géoazur is 2.9. The depth of the focus varies between 10 and 19 km, depending on the...

This report is based on data provided by the services responsible for seismic monitoring in France (RéNaSS for the CNRS and the Universities, the ISTerre and Géoazur laboratories for the Universe Science Observatories, LDG for the CEA).The earthquake of April 7, 2014 occurred at 19:27 UT (21:26:59 local time) in the Alpes-de-Haute-Provence. Its...

Martinique is, with Guadeloupe, classified in seismicity zone III (decree n°2007-1467 of October 12, 2007) which is the highest level of seismic hazard for the French territory. From the point of view of intensities, with a maximum intensity of VI-VII, the earthquake of November 29, 2007 is the most important one felt in Martinique since the...