Aerial view looking southwest of a portion of the 4-6 km
ice-filled summit caldera of Mount Wrangell, a 4,317-m
(14,163 ft)-high andesite shield volcano. It is the only
volcano in the Wrangell volcanic field to have had
documented historical activity consisting of several minor,
possibly phreatic eruptions in the early 1900's. Active
fumaroles exist at one of three cinder cones on the caldera
rim. Photograph by R. Motyka, Alaska Division of Geological
and Geophysical Surveys, 1981.
Image courtesy of AVO / Alaska Division of Geological & Geophysical Surveys.
Please cite the photographer and Alaska Volcano Observatory / Alaska Division of Geological & Geophysical Surveys when using this image.
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