Stepovak Bay Group, United States

Volcanic field · 1,633 m (5,358 ft) · Alaska Peninsula

Stepovak Bay Group is a volcanic field in the United States, 1,633 m (5,358 ft) high. NOAA records no significant eruption here.

Stepovak Bay Group on the map

Stepovak Bay Group 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

No USGS alert level is set for this volcano, or the USGS did not answer just now.

The volcano

Type: Volcanic field
Elevation: 1,633 m (5,358 ft)
Country: United States
Region: Alaska Peninsula
Summit: 55.917° N, 160.017° W
Last known eruption: Unknown
Holocene activity known from: Holocene
Smithsonian volcano number: 312055

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 Stepovak Bay Group 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. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s.