| Westdahl Volcano | |
|---|---|
 Summit area of Westdahl Volcano, February 1993. | |
| Highest point | |
| Elevation | 5,426 ft (1,654 m) |
| Prominence | 1,365 ft (416 m) |
| Coordinates | 54°31′05″N 164°39′00″W / 54.518°N 164.65°W / 54.518; -164.65 |
| Geography | |
  Westdahl VolcanoLocation in Alaska
| |
| Location | Unimak Island,Alaska, USA |
| Parent range | Aleutian Range |
| Topo map | USGS Unimak C-2 |
| Geology | |
| Rock age | Holocene |
| Mountain type | Stratovolcano |
| Volcanic arc | Aleutian Arc |
| Last eruption | 1991 to 1992 |
Westdahl Peak, also known as Westdahl Volcano or Mount Westdahl, is a stratovolcano of the Aleutian Range, in the U.S. state of Alaska. The volcano last erupted from November 29, 1991, to January 15, 1992.
It is on Unimak Island, near the western tip of the Alaska Peninsula. The volcano has a second summit, called Faris Peak, which is actually the highest point at 5,426 feet (1,654 m). Westdahl Peak currently has a summit elevation of 5,118 feet (1,560 m).
Other historical eruptions, all attributed to Westdahl by the Alaska Volcano Observatory, have been reported in 1795–1796, 1827–1829, 1951, 1964 and 1978. A couple eruptions were originally reported to be from nearby Pogromni Volcano, but the peak is old, eroded and most likely hasn't erupted since Pleistocene time.
See also
- Fisher Caldera — also on Unimak Island.
- Alaska Volcano Observatory
References
- Peakbagger.com, Faris Peak, Alaska, Retrieved Jan. 6, 2023.
- ^ Alaska Volcano Observatory, Volcano Information -- Westdahl, Retrieved Dec. 16, 2022.
- Alaska Volcano Observatory, Volcano Information -- Historic eruptions at Westdahl, Retrieved Dec. 16, 2022.
- Alaska Volcano Observatory, Volcano Information -- Faris Peak, Retrieved Dec. 16, 2022.
- Alaska Volcano Observatory, Volcano Information -- Reported Activity at Westdahl, Retrieved Dec. 16, 2022.
- "Westdahl". Global Volcanism Program. Smithsonian Institution.
- Volcanoes of the Alaska Peninsula and Aleutian Islands-Selected Photographs
- Alaska Volcano Observatory
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