Modelling of Tsunami Propagation in the Vicinity of the French Coast of the Mediterranean |
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| Authors: | Pelinovsky Efim Kharif Christian Riabov Igor Francius Marc |
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| Institution: | (1) Laboratory of Hydrophysics and Nonlinear Acoustics, Institute of Applied Physics, 46 Ulianov Str., 603600 Nizhny Novgorod, Russia;(2) Institut de Recherche sur les Phenomenes Hors Equilibre, Parc Scientifique et Technologique de Luminy, 13288 Marseille, Cedex 9, France;(3) Department of Applied Mathematics, Nizhny Novgorod State Technical University, 24 Minin Str., 603600 Nizhny Novgorod, Russia;(4) Laboratoire de Mécanique et d'Acoustique, 31 Chemin Joseph Aiguier, 13402 Marseille, Cedex 20, France |
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| Abstract: | The problem of tsunami-risk for the French coast of the Mediterraneanis discussed. Historical data of tsunami manifestation on the French coast are described and analysed.Numerical simulation of potential tsunamis in the Ligurian Sea is done and the tsunami wave heightdistribution along the French coast is calculated. For the earthquake magnitude 6.8 (typical value forMediterranean) the tsunami phenomenon has a very local character. It is shown that the tsunami tide-gaugerecords in the vicinity of Cannes–Imperia present irregularoscillations with characteristic periodof 20–30 min and total duration of 10–20h.Tsunami propagating from the Ligurian sea to the west coastof France have significantly lesser amplitudes and they are more low-frequency (period of 40–50min).The effect of far tsunamis generated in the southern Italy and Algerian coast is studied also, thedistribution of the amplitudes along the French coast for far tsunamis is more uniform. |
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