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Global Volcanism Program | Image GVP-08948

Lake-filled Mikurigaike crater is part of Tateyama, an eroded stratovolcano on a plateau surrounded by the granite and gneiss peaks of the North Japan Alps. Formation of a 4-km-wide caldera was followed by repeated Pleistocene eruptions of lava and pyroclastics forming a plateau that was later dissected by the Yukawa river. Holocene eruptions have been restricted to small phreatic explosions that formed craters such as the one seen here.  Photo by Ichio Moriya, 1992 (Kanazawa University).

Lake-filled Mikurigaike crater is part of Tateyama, an eroded stratovolcano on a plateau surrounded by the granite and gneiss peaks of the North Japan Alps. Formation of a 4-km-wide caldera was followed by repeated Pleistocene eruptions of lava and pyroclastics forming a plateau that was later dissected by the Yukawa river. Holocene eruptions have been restricted to small phreatic explosions that formed craters such as the one seen here.

Photo by Ichio Moriya, 1992 (Kanazawa University).

Keywords: crater


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