Stepovak Bay 4, United States

Stratovolcano · 1,557 m (5,108 ft) · Alaska Peninsula

Stepovak Bay 4 is a stratovolcano in the United States, 1,557 m (5,108 ft) high. NOAA records no significant eruption here.

Stepovak Bay 4 on the map

Stepovak Bay 4 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

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

The volcano

Type: Stratovolcano
Elevation: 1,557 m (5,108 ft)
Country: United States
Region: Alaska Peninsula
Summit: 55.954° N, 159.954° W
Last known eruption: P
Holocene activity known from: Pleistocene
Smithsonian volcano number: 312053

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 4 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. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s.