Tsunami sedimentation associated with the 1923 Kamchatka earthquake

K. Minoura, V. G. Gusiakov, A. Kurbatov, S. Takeuti, J. I. Svendsen, S. Bondevik, T. Oda

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Abstract

The Kuril-Kamchatka region is notorious for the occurrence of earthquake tsunamis, and historical documents show that they have caused repeatedly considerable damage since the 1750s. The great tsunami generated in April 1923 around the northern Kamchatka Trench flooded the coast of Ust'-Kamchatsk, depositing a thin sand layer which is traceable up to 3 km or more inland beyond the present coastline. Local government documents indicate that the 1923 tsunami flooded low-lying coastal areas covered by thick snow. The unusual process of tsunami run-up without loss of tractive load is interpreted to have resulted from the smoothing of fields by the ice-covered surface. We conclude that the tsunami flooded snowfields and deposited an extensive sheet of sand. A mixture of snow and seawater flooded over the area and caused damage to vegetation.

Original languageEnglish
Pages (from-to)145-154
Number of pages10
JournalSedimentary Geology
Volume106
Issue number1-2
DOIs
Publication statusPublished - 1996 Oct

ASJC Scopus subject areas

  • Geology
  • Stratigraphy

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    Minoura, K., Gusiakov, V. G., Kurbatov, A., Takeuti, S., Svendsen, J. I., Bondevik, S., & Oda, T. (1996). Tsunami sedimentation associated with the 1923 Kamchatka earthquake. Sedimentary Geology, 106(1-2), 145-154. https://doi.org/10.1016/0037-0738(95)00148-4