Unnamed, United States

Lava dome · 402 m (1,319 ft) · Alaska Peninsula

Unnamed is a lava dome in the United States, 402 m (1,319 ft) high. Its last known eruption: undated, but a probable Holocene eruption. NOAA records no significant eruption here.

Unnamed on the map

Unnamed 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 01:30 UTC. USGS threat ranking: Low Threat.

Unassigned / Unassigned Alaska Volcano Observatory rates Unnamed at alert level Unassigned, aviation color code Unassigned.

The observatory’s page

The volcano

Type: Lava dome
Elevation: 402 m (1,319 ft)
Country: United States
Region: Alaska Peninsula
Summit: 57.870° N, 155.411° W
Last known eruption: Undated, but a probable Holocene eruption
Holocene activity known from: Holocene
Smithsonian volcano number: 312132

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 Unnamed Volcanic 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.