Search results
7 hours ago · Mount Okmok is a volcano on eastern Umnak Island, in the central-eastern Aleutian Islands of Alaska. Part of the Aleutian Volcanic Arc, it was formed by the subduction of the oceanic Pacific Plate under the North American Plate. Okmok is a large shield volcano capped by a 10 kilometers (6.2 mi) wide caldera.
- 3,519 ft (1,073 m)
- USGS Umnak B-1
- July to August 2008