Mariana Back-Arc Segment at 15.5°N, United States
Mariana Back-Arc Segment at 15.5°N is a submarine in the United States, -4,100 m (-13,451 ft) high. Its last known eruption: 1964 or later. NOAA records no significant eruption here.
Mariana Back-Arc Segment at 15.5°N on the map
Mariana Back-Arc Segment at 15.5°N 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
- Elevation
- -4,100 m (-13,451 ft)
- Country
- United States
- Region
- Mariana Is-C Pacific
- Summit
- 15.406° N, 144.506° E
- Last known eruption
- 1964 or later
- Smithsonian volcano number
- 284305
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 Mariana Back-Arc Segment at 15.5°NAsh advisories and webcams 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.