Field survey outlines tsunami inundation limits and runup heights in Kuril Islands after earthquake, indicating severe coastal impact.
Abstract On July 29, 2025, a strong earthquake near Kamchatka (Russia) generated the tsunami that spread across the entire Pacific Ocean. The tsunami had its strongest impact on the coast of the northern Kuril Islands (Paramushir and Shumshu), causing great destruction. During the first days after the earthquake, the field survey of tsunami traces on these islands was conducted in the area of the Second Kuril Strait (that divides these islands), and the boundary of land inundation by tsunami waves was outlined using GPS. Runup heights were determined using GEBCO_2019 (grid with 15 arc-second resolution) topographic maps installed into Google Earth. The observation results are summarized in this paper.
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Котенко et al. (2025) studied this question.
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