rkshop on Extreme Events Max Planck Institut for Complex Syst Dresden, 30 October-2 November 2006 Workshop on Kinetic Theory and Mechanics of Continuous Media artment of Mathematics, University of Naples, 9-10 November 2 Analysis of the tsunami event in Algeria 2003 S. Dobrokhotov (1) , B. Tirozzi (2) , P. Zhevandrov (3) , F. Raicich (4) Institute for Problems in Mechanics, RAS, Moscow, Russia Department of Physics, University “La Sapienza”, Rome, Italy Escuela de Ciencias Fisico-Matematicas, Morelia, Mich., Mexi CNR, Institute of Marine Sciences, Trieste, Italy
Transcript
Workshop on Extreme Events Max Planck Institut for Complex SystemDresden, 30 October-2 November 2006
Workshop on Kinetic Theory and Mechanics of Continuous MediaDepartment of Mathematics, University of Naples, 9-10 November 2006
Analysis of the tsunami event in Algeria 2003
S. Dobrokhotov (1), B. Tirozzi (2), P. Zhevandrov (3),
F. Raicich (4)
(1) Institute for Problems in Mechanics, RAS, Moscow, Russia(2) Department of Physics, University “La Sapienza”, Rome, Italy(3) Escuela de Ciencias Fisico-Matematicas, Morelia, Mich., Mexico(4) CNR, Institute of Marine Sciences, Trieste, Italy
Valencia
Barcelona
Ibiza
Earthquake data (USGS): t0: 18:44:19 GMT, 21 may 2003 USGS: epicenter 36.96°N, 3.63°E, M=6.9, hf=12 km Borerro: epicenter 36.90°N, 3.71°E, M=6.8, hf=10 km, strike=56°
Euristic formula for the run-up used by Pelinovsky and Ivanov: but no proofs available!
Ellipsoidal deformation
M = 6.9
hf = 12 km
(Pelinovsky et al., 2001)
a = 34 km
b = 12 km
b56°
a
Coordinates: model gridpoints
(Dobrokhotov et al., 2006)
a1= 1.2 10-2 km-1
Gaussian*cosine deformation
= 0
a2 = 2.7 10-2 km-1
b1 = 0.5 10-2 km-2
b2 = 4.0 10-2 km-2
= 56°
Coordinates: model gridpoints
Acknowledgements
The observed sea-level data for Ibiza are kindly provided by Dr. B. Perez, Puertos del Estado, Madrid, Spain.
Linear theory of the scattering of localized waves on a beach with
constant slope.
Example: Scattering of a packet on a beach with constant slope
