Effect of the Emperor seamounts on trans-oceanic propagation of the 2006 Kuril Island earthquake tsunami

S. Koshimura, Y. Hayashi, K. Munemoto, F. Imamura

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

The effect of tsunami wave scattering by the Emperor seamounts on the propagation of the 2006 Kuril Island earthquake tsunami is demonstrated, using the finite difference method. The model results indicate that the contribution of the Emperor seamounts on the maximum tsunami energy along the Pacific coast of Japan is found to be as much as 50% or more. Also, analysis of the spectral evolution of observed tsunami records in Japan suggests that the scattering waves from the Emperor seamounts possibly dominate the wave components at periods of 4 to 17 minutes.

Original languageEnglish
Article numberL02611
JournalGeophysical Research Letters
Volume35
Issue number2
DOIs
Publication statusPublished - 2008 Jan 28

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

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