Volcanoes of the United States

Tanaga, United States

Stratovolcano · 1,806 m (5,925 ft) · Aleutian Is

Tanaga is a stratovolcano in the United States, 1,806 m (5,925 ft) high. Its last known eruption: 1900 to 1963. NOAA records no significant eruption here.

Tanaga on the map

Tanaga 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 16:10 UTC. USGS threat ranking: Moderate Threat.

Normal / Green Alaska Volcano Observatory rates Tanaga at alert level Normal, aviation color code Green, since 2024-01-29 23:13 UTC.

AVO Tanaga GREEN/NORMAL - Aviation color code and alert level changed to GREEN/NORMAL due to restoration of local monitoring data.

The latest noticeThe observatory’s page

The volcano

Type
Stratovolcano
Elevation
1,806 m (5,925 ft)
Region
Aleutian Is
Summit
51.885° N, 178.146° W
Last known eruption
1900 to 1963
Holocene activity known from
Historical
Smithsonian volcano number
311080

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 TanagaVolcanic 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.