- Tokachi-Mitsumata Caldera
Tokachi-Mitsumata Caldera is an 8-km wide volcanic
caldera in theIshikari Mountains ofDaisetsuzan National Park inHokkaidō ,Japan .The caldera is bounded to the north by the Ishikari Mountains and to the southwest by the
Nipesotsu-Maruyama Volcanic Group .References
* [http://riodb02.ibase.aist.go.jp/strata/VOL_JP/EN/vol/217a.htm TOKACHI-MITSUMATA Caldera] , Quarternary Volcanoes of Japan, Geological Survey of Japan, AIST, 2006
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