Omanago Group, Japan

Lava dome · 2,341 m (7,680 ft) · Honshu-Japan

Omanago Group is a lava dome in Japan, 2,341 m (7,680 ft) high. Its last known eruption: undated, but a probable Holocene eruption. NOAA records no significant eruption here.

Omanago Group on the map

Omanago Group 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: Lava dome
Elevation: 2,341 m (7,680 ft)
Country: Japan
Region: Honshu-Japan
Summit: 36.807° N, 139.476° E
Last known eruption: Undated, but a probable Holocene eruption
Holocene activity known from: Holocene
Smithsonian volcano number: 283142

Significant eruptions

NOAA records eruptions that killed, did damage, were very large, or set off a tsunami or earthquake.

None on record.

Around it

The volcanoes within 300 km.

Earthquakes near Omanago Group 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.