Oshima-Kojima (Matsumae-Kojima) - 渡島小島

Country & Prefecture

Japan, Hokkaidō

Volcano Type

Stratovolcano

Tectonic Setting

Subduction zone
Continental crust (> 25 km)

Summit

282 m

Latitude, Longitude

41.355°N, 139.811°E

Last Known Eruption

Pleistocene
(〜 2.58 million to 11,700 years ago)

Exact Location Map