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Kikai Caldera

Mostly-submerged caldera in the Ōsumi Islands of Kagoshima Prefecture, Japan

Kikai Caldera is a massive, mostly submerged caldera up to 19 kilometres (12 mi) in diameter in the Ōsumi Islands of Kagoshima Prefecture, Japan.

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File:Kikai_Caldera_Relief_Map,_SRTM,_English.jpgFile:Kikai_K-Ah_tephra_7,3ka.svgFile:2015_Satsuma-Iojima_Iodake.jpg
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