Volcanoes of the Pacific Ocean

CoAxial Segment, Pacific Ocean

Submarine · -2,400 m (-7,874 ft) · Pacific-NE

CoAxial Segment is a submarine in the Pacific Ocean, -2,400 m (-7,874 ft) high. Its last known eruption: 1964 or later. NOAA records no significant eruption here.

CoAxial Segment on the map

CoAxial Segment 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
Elevation
-2,400 m (-7,874 ft)
Region
Pacific-NE
Summit
46.520° N, 129.580° W
Last known eruption
1964 or later
Smithsonian volcano number
331020

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 CoAxial SegmentVolcanic 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.