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Global Volcanism Program | Image GVP-06460

A plume rises above Ontake, the summit crater of Suwanosejima. The 8-km-long island consists of a stratovolcano with two historically active summit craters. The dipping scarp at the top of the image opens towards the sea on the E flank and formed by edifice collapse. This is one of Japan's most frequently active volcanoes and has been in a state of intermittent Strombolian activity since 1949. Photo by Yukio Hayakawa, 1998 (Gunma University).

A plume rises above Ontake, the summit crater of Suwanosejima. The 8-km-long island consists of a stratovolcano with two historically active summit craters. The dipping scarp at the top of the image opens towards the sea on the E flank and formed by edifice collapse. This is one of Japan's most frequently active volcanoes and has been in a state of intermittent Strombolian activity since 1949.

Photo by Yukio Hayakawa, 1998 (Gunma University).

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Keywords: crater | plume | emissions | vent | gas | gas plume | tephra


Suwanosejima