^{Country & Region / Prefecture}

Japan, Kantō / Tōkyō

^{Volcano Type}

Submarine

^{Tectonic Setting}

Subduction Zone

Oceanic Crust (< 15 km)

^Summit

-321 m

^{Latitude, Longitude}

33.725°N, 139.408°E

^{Last Known Eruption}

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