A note on tsunami amplitudes above submarine slides and slumps

Creative Commons License

Todorovska M., Hayir A., Trıfunac M.

SOIL DYNAMICS AND EARTHQUAKE ENGINEERING, vol.22, no.2, pp.129-141, 2002 (SCI-Expanded) identifier identifier


Tsunami generated by submarine slumps and slides are investigated in the near-field, using simple source models, which consider the effects of source finiteness and directivity. Five simple two-dimensional kinematic models of submarine slumps and slides are described mathematically as combinations of spreading constant or slopping uplift functions. Tsunami waveforms for these models are computed using linearized shallow water theory for constant water depth and transform method of solution (Laplace in time and Fourier in space). Results for tsunami waveforms and tsunami peak amplitudes are presented for selected model parameters, for a time window of the order of the source duration.