Volcanoes of the United States

Agrigan, United States

Stratovolcano · 965 m (3,166 ft) · Mariana Is-C Pacific

Agrigan is a stratovolcano in the United States, 965 m (3,166 ft) high. Its last known eruption: 1900 to 1963. NOAA records no significant eruption here.

Agrigan on the map

Agrigan 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

Now

From the USGS Volcano Hazards Program, read 15:00 UTC. USGS threat ranking: High Threat.

Unassigned / Unassigned USGS, Northern Mariana Islands rates Agrigan at alert level Unassigned, aviation color code Unassigned, since 2013-01-25 01:09 UTC.

NMI Agrigan UNASSIGNED/UNASSIGNED - Possible fumarolic emission detected in satellite; unconfirmed.

The latest noticeThe observatory’s page

The volcano

Type
Stratovolcano
Elevation
965 m (3,166 ft)
Region
Mariana Is-C Pacific
Summit
18.770° N, 145.670° E
Last known eruption
1900 to 1963
Holocene activity known from
Historical
Smithsonian volcano number
284160

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 AgriganVolcanic 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. Alert levels, color codes and notices from the USGS Volcano Hazards Program and its observatories, public domain. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s.