^{Country & Region / Prefecture}

Japan, Kantō / Tōkyō

^{Volcano Types}

Submarine, Caldera, Lava Dome

Rhyolite
Andesite / Basaltic Andesite

^{Tectonic Setting}

Subduction Zone

Oceanic Crust (< 15 km)

^Summit

-360 m

^{Latitude, Longitude}

32.1°N, 139.85°E

^{Last Known Eruption}

Unknown - Evidence Uncertain