Transfrontier macroseismic observations of the Ml = 5.4 earthquake of February 22, 2003 at Rambervillers,France |
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Authors: | Email author" target="_blank">Michel?CaraEmail author Wolfgang?Brüstle Monika?Gisler Philipp?K?stli Christophe?Sira Claire?Weihermüller Jér?me?Lambert |
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Institution: | 1.Bureau Central Sismologique Fran?ais (BCSF), EOST,Strasbourg Cedex,France;2.Landesamt fuer Geologie,Rohstoffe und Bergbau Baden-Württemberg (LGRB), Erdbebendienst,Freiburg i. Br.,Germany;3.Swiss Seismological Service ETH Zurich,Zurich,Switzerland;4.LGB Abt 4.6 – Landeserdbebendienst,Mainz,Germany;5.Bureau de recherches géologiques et minières,Service Aménagement et Risques naturels (BRGM),Orléans,France |
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Abstract: | The 2003 Ml = 5.4 Rambervillers earthquake, north-east of France, is the largest seismic event recorded north of the Alps
since the 1992 Ms = 5.3, I0 = VII, Roermond earthquake, Netherlands. With a maximum macroseismic intensity of VI-VII EMS-98, the 2003 event was broadly
felt to a distance of 300 km from the epicentre. It provides a unique opportunity to test and compare the different procedures
used in France, Germany and Switzerland when evaluating macroseismic intensities. The main purpose of this paper is to present
a common transfrontier macroseismic map based on the EMS-98 intensity scale. Maximum horizontal accelerations recorded in
the area are compared to the intensity values, and we propose to use a differential technique to re-estimate the magnitude
of the 1682 Remiremont, I0 = VIII, earthquake, which occurred 40 km south of Rambervillers. |
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Keywords: | macroseismic data magnitude Remiremont historical earthquake Vosges foothill |
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