View of the steaming cinder cone that marks the site of the most recent eruptive activity at Okmok caldera, a 9.3-km (5.8 mi)-diameter circular crater that truncates the top of a large shield volcano on the northeastern part of Umnak Island in the eastern Aleutian Islands. Eruptions from this cone in 1945 and 1958 produced lava flows that extruded onto the caldera floor. Photograph by C. Nye, Alaska Division of Geological and Geophysical Surveys, September, 1980.
Credit: Image courtesy of AVO / Alaska Division of Geological & Geophysical Surveys.Use Restriction: Please cite the photographer and Alaska Volcano Observatory / Alaska Division of Geological & Geophysical Surveys when using this image.
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