Seamount X, United States
Seamount X is a submarine volcano in the United States, -1,230 m (-4,035 ft) high. Its last known eruption: undated, but a probable Holocene eruption. NOAA records no significant eruption here.
Seamount X on the map
Seamount X 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
Now
No USGS alert level is set for this volcano, or the USGS did not answer just now.
The volcano
- Type
- Submarine volcano
- Elevation
- -1,230 m (-4,035 ft)
- Country
- United States
- Region
- Mariana Is-C Pacific
- Summit
- 13.250° N, 144.020° E
- Last known eruption
- Undated, but a probable Holocene eruption
- Holocene activity known from
- Fumarolic
- Smithsonian volcano number
- 284230
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 Seamount XVolcanic 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.