Tlevak Strait-Suemez Island, United States

Volcanic field · 50 m (164 ft) · Alaska-SE

Tlevak Strait-Suemez Island is a volcanic field in the United States, 50 m (164 ft) high. Its last known eruption: undated, but a probable Holocene eruption. NOAA records no significant eruption here.

Tlevak Strait-Suemez Island on the map

Tlevak Strait-Suemez Island 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 and webcams

Now

From the USGS Volcano Hazards Program, read 16:20 UTC. USGS threat ranking: Very Low Threat.

Unassigned / Unassigned Alaska Volcano Observatory rates Tlevak Strait-Suemez Island at alert level Unassigned, aviation color code Unassigned.

The observatory’s page

The volcano

Type: Volcanic field
Elevation: 50 m (164 ft)
Country: United States
Region: Alaska-SE
Summit: 55.250° N, 133.300° W
Last known eruption: Undated, but a probable Holocene eruption
Holocene activity known from: Holocene
Smithsonian volcano number: 315060

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 Tlevak Strait-Suemez Island Ash 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. 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.