Enregistrements sismologiques de l'explosion sur le site de l'usine AZF (Toulouse,France)Seismological records of an explosion at the AZF chemical complex in Toulouse,France |
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Authors: | Annie Souriau Matthieu Sylvander Valérie Maupin Jean-François Fels Alexis Rigo |
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Institution: | 1. Observatoire Midi-Pyrénées, 14, av. Édouard-Belin, 31400 Toulouse, France;2. Department of Geology, University of Oslo, PO box 1047, Blindern, 0316 Oslo, Norvège |
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Abstract: | This study presents a detailed analysis of the seismic records of a strong explosion that occurred on 21 September 2001 at a chemical complex located south of Toulouse, France, and provoked important damages. The explosion, which is equivalent to a 3.4 magnitude earthquake, has been recorded at most of the stations of the National Seismological Network, as well as at a station under test at the ‘Observatoire Midi-Pyrénées’, 4.2 km away from the epicentre. The main seismic phases are interpreted using the known crustal structures, and a modelling with synthetic seismograms is performed. To cite this article: A. Souriau et al., C. R. Geoscience 334 (2002) 155–161. |
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Keywords: | seismology wave propagation explosion Toulouse France séismologie propagation des ondes explosion Toulouse France Géophysique interne Internal geophysics |
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