Westdahl Peak, also known as Westdahl Volcano or Mount Westdahl, is a

stratovolcano A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with a summit crater and per ...

of the Aleutian Range, in the U.S. state of Alaska. The volcano last erupted from November 29, 1991 to January 15, 1992.Alaska Volcano Observatory, Volcano Information -- Historic eruptions at Westdahl
Retrieved Dec. 16, 2022. It is on Unimak Island, near the western tip of the

Alaska Peninsula The Alaska Peninsula (also called Aleut Peninsula or Aleutian Peninsula, ale, Alasxix̂; Sugpiaq: ''Aluuwiq'', ''Al'uwiq'') is a peninsula extending about to the southwest from the mainland of Alaska and ending in the Aleutian Islands. The ...

. The volcano has a second summit, called Faris Peak, which is actually the highest point at 5,426 feet (1,654 m).Alaska Volcano Observatory, Volcano Information -- Faris Peak
Retrieved Dec. 16, 2022. 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 Pogromni Volcano is a stratovolcano on Unimak Island in the Aleutian Islands. Near it are 5 cinder cones, and a mountain called Pogromni's Sister. Pogromni is old and eroded with a single glacier on its flank and base. Eruptions have been attri ...

, but the peak is old, eroded and most likely hasn't erupted since Pleistocene time.Alaska Volcano Observatory, Volcano Information -- Reported Activity at Westdahl
Retrieved Dec. 16, 2022.

References

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Volcanoes of the Alaska Peninsula and Aleutian Islands-Selected Photographs

Alaska Volcano Observatory
Mountains of Alaska Aleutian Range Westdahl Westdahl Volcano Mountains of Aleutians East Borough, Alaska Stratovolcanoes of the United States Active volcanoes Volcanoes of Alaska Holocene stratovolcanoes {{AleutiansEastAK-geo-stub

See also

References