The radiation directivity of tsunami produced bу vertical shoves of the ocean floor in rectangular sources is analyzed within the framework of the linear theory of waves on the basis of numerical calculations of integrals. It has been found that the duration of swab shove of the ocean floor influences the wave radiation directivity. It has been shown that the directivity of energy radiation is preserved with distance from the source, whereas the wave amplitude distribution in the azimuthal angle tends to bе isotropic.
Department of Sea and Inland Water Physics
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