Contact: Kea Giles
Geological Society of America
Caption: This is a huge porites boulder (9 m in diameter) deposited by the A.D. 1771 tsunami at Ishigaki Island, Japan. See related article, by Kazuhisa Goto and colleagues, "Localized tsunamigenic earthquakes inferred from preferential distribution of coastal boulders on the Ryukyu Islands, Japan."
Credit: Kazuhisa Goto for Geology
Usage Restrictions: Credit to photographer & Geology journal.
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