Westdahl, United States
Westdahl is a stratovolcano in the United States, 1,563 m (5,128 ft) high. Its last known eruption: 1964 or later. NOAA records 1 significant eruption here.
Westdahl on the map
Westdahl 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
Now
From the USGS Volcano Hazards Program, read 04:37 UTC. USGS threat ranking: High Threat.
Normal / Green Alaska Volcano Observatory rates Westdahl at alert level Normal, aviation color code Green, since 2026-03-09 19:18 UTC.
AVO Westdahl GREEN/NORMAL - Aviation Color Code and Volcano Alert Level are changed to GREEN/NORMAL due to restoration of real-time seismic monitoring.
The volcano
- Type
- Stratovolcano
- Elevation
- 1,563 m (5,128 ft)
- Country
- United States
- Region
- Aleutian Is
- Summit
- 54.516° N, 164.650° W
- Last known eruption
- 1964 or later
- Holocene activity known from
- Historical
- Smithsonian volcano number
- 311340
Significant eruptions
1 on record, newest first.
Around it
The volcanoes within 300 km.
Earthquakes near WestdahlVolcanic 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.