Suiyo Seamount, Japan

Submarine volcano · -991 m (-3,251 ft) · Volcano Is-Japan

Suiyo Seamount is a submarine volcano in Japan, -991 m (-3,251 ft) high. NOAA records no significant eruption here.

Suiyo Seamount on the map

Suiyo Seamount 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: Submarine volcano
Elevation: -991 m (-3,251 ft)
Country: Japan
Region: Volcano Is-Japan
Summit: 28.575° N, 140.633° E
Last known eruption: Unknown
Holocene activity known from: Uncertain
Smithsonian volcano number: 284093

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 Suiyo Seamount 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.