Eruption of Aniakchak
1 May 1931 – 13 Jun 1931 · 56.88° N, 158.17° W
Mount Aniakchak is a volcano on the western Alaska Peninsula. Part of the Aleutian Volcanic Arc, it was formed by the subduction of the oceanic Pacific Plate under the North American Plate. Aniakchak is a 10 kilometers (6.2 mi) wide caldera with a break to the northeast.
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What the records say
- When
- 1 May 1931 – 13 Jun 1931
- Kind
- Volcanic eruption
- Coordinates
- 56.88° N, 158.17° W
- Vei
- 4
- Vent
- West and SW caldera floor
- Dated by
- Observations: Reported
- Volcano number
- 312090
- Eruption number
- 20192
Mount Aniakchak
Caldera in Alaska
Mount Aniakchak is a volcano on the western Alaska Peninsula. Part of the Aleutian Volcanic Arc, it was formed by the subduction of the oceanic Pacific Plate under the North American Plate. Aniakchak is a 10 kilometers (6.2 mi) wide caldera with a break to the northeast. The caldera contains Surprise Lake and many volcanic cones, maars and craters, including Vent Mountain.
From Wikipedia, CC BY-SA · Read the article
The source
- Smithsonian GVP Volcanoes of the World: Holocene eruptionsGlobal Volcanism Program, Smithsonian InstitutionSmithsonian terms of use: personal, educational and non-commercial use, with creditGlobal Volcanism Program, Smithsonian Institution: Volcanoes of the World v5.3, https://doi.org/10.5479/si.GVP.VOTW5-2025.5.3Source page