Ontakesan, Japan

Complex volcano · 3,067 m (10,062 ft) · Honshu-Japan

Ontakesan is a complex volcano in Japan, 3,067 m (10,062 ft) high. Its last known eruption: 1964 or later. NOAA records 2 significant eruptions here, which killed 84 people where the toll is counted.

Ontakesan on the map

Ontakesan and the volcanoes within 300 km, colored by when each last erupted.

Since 1964
1900 to 1963
1800s
AD 1 to 1799
Before AD 1, or undated

Open the live map with volcanic ash advisories

The volcano

Type: Complex volcano
Elevation: 3,067 m (10,062 ft)
Country: Japan
Region: Honshu-Japan
Summit: 35.893° N, 137.480° E
Last known eruption: 1964 or later
Holocene activity known from: Historical
Smithsonian volcano number: 283040

Significant eruptions

2 on record, newest first.

Around it

The volcanoes within 300 km.

Earthquakes near Ontakesan Volcanic ash advisories on the live map

Sources

Volcanoes and significant eruptions from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s.