What the records say
- When
- 2 Feb 2021 – 5 May 2023
- Kind
- Volcanic eruption
- Coordinates
- 51.93° N, 179.58° E
- Vei
- 2
- Vent
- North Cerberus
- Dated by
- Observations: Reported
- Volcano number
- 311060
- Eruption number
- 22392
Semisopochnoi Island
American Island
Semisopochnoi Island or Unyak Island is part of the Rat Islands group in the western Aleutian Islands of Alaska. The island is uninhabited and provides an important nesting area for maritime birds. The island is of volcanic origin, containing several volcanoes including Mount Young. It has a land area of 85.558 square miles, measuring 11 miles (18 km) in length and 12 miles (20 km) in width.
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