What the records say
- When
- 30 Mar 1977 – 9 Apr 1977
- Kind
- Volcanic eruption
- Coordinates
- 57.83° N, 156.52° W
- Vei
- 3
- Vent
- West and East Ukinrek Maars
- Dated by
- Observations: Reported
- Volcano number
- 312131
- Eruption number
- 20206
Ukinrek maars
Two volcanic craters in Alaska, U.S.
The Ukinrek maars are two volcanic craters on the north side of the Aleutian Range in Alaska that were formed by a phreatomagmatic eruption in 1977. The maars are 1.5 km south of Becharof Lake and 12 km northwest of Peulik Volcano, on a low area of the range, bordering the Bering Sea. The western of the two is elliptical in shape and up to 170 m in diameter and 35 m deep.
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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