The process of tsunami wave generation by motions of the sea floor with residual displacement has been investigated by numerical modeling. Fast, medium-velocity, and slow floor oscillations are considered. The role of nonlinear effects is estimated as a function of the magnitude of the sea floor displacement and oscillation duration in the cases of elevation and subsidence of a sea floor section. The experimental data are compared with the results of numerical experiments.
Department of Marine and Inland Water Physics, Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
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