Oshima-Ōshima - 渡島大島

Country & Prefecture

Japan, Hokkaidō

Volcano Types

Stratovolcano, Caldera(s), Pyroclastic Cone
Rock Types
Basalt / Picro-Basalt
Andesite / Basaltic Andesite

Tectonic Setting

Subduction zone
Continental crust (> 25 km)

Summit

732 m

Latitude, Longitude

41.51°N, 139.367°E

Last Known Eruption

Common Era (EC)
1790

Exact Location Map