Volcanoes of the United States

Anatahan, United States

Stratovolcano · 790 m (2,592 ft) · Mariana Is-C Pacific

Anatahan is a stratovolcano in the United States, 790 m (2,592 ft) high. Its last known eruption: undated, but a probable Holocene eruption. NOAA records no significant eruption here.

Anatahan on the map

Anatahan 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 15:32 UTC. USGS threat ranking: High Threat.

Unassigned / Unassigned USGS, Northern Mariana Islands rates Anatahan at alert level Unassigned, aviation color code Unassigned, since 2017-12-16 00:52 UTC.

NMI Anatahan UNASSIGNED/UNASSIGNED - Anatahan has been moved to unassigned.

The latest noticeThe observatory’s page

The volcano

Type
Stratovolcano
Elevation
790 m (2,592 ft)
Region
Mariana Is-C Pacific
Summit
16.350° N, 145.670° E
Last known eruption
Undated, but a probable Holocene eruption
Holocene activity known from
Holocene
Smithsonian volcano number
284200

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 AnatahanVolcanic 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.