^{Country & Region / Prefecture}

Japan, Kantō / Tōkyō

^{Volcano Types}

Submarine, Caldera, Lava Dome

Basalt / Picro-Basalt
Andesite / Basaltic Andesite

^{Tectonic Setting}

Subduction Zone

Oceanic Crust (< 15 km)

^Summit

-590 m

^{Latitude, Longitude}

27.68°N, 140.8°E

^{Last Known Eruption}

Unknown - Unrest / Holocene