Askja (äsˈkyä) [key], volcano, c.4,950 ft (1,510 m) high, E central Iceland; one of the highest in Europe. Its great eruption of 1875 devastated a large area; Askja last erupted in 1961. Askja caldera, surrounded by mountains of tuff, contains Öskjuvatn, a crater lake c.550 ft (170 m) deep.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.