The Pleistocene-to-Holocene Mount Edgecumbe volcanic field covers about 260 km² of Kruzov Island west of Sitka in the SE panhandle of Alaska. This aerial view shows oxidized scoria of the Edgecumbe volcano in the foreground. Crater Ridge in the background contains a 1.6-km-wide, 240-m deep caldera. And rhyolite domes (top right) The youngest eruptions from Mount Edgecumbe, the largest feature in the Edgecumbe field, are about 4,000 years old.

Photo by Jim Riehle (U.S. Geological Survey, Alaska Volcano Observatory).

This image is made available as a Public Domain Work, but proper attribution is appreciated.

Galleries: Volcanic Fields | Scoria Cones

Keywords: crater | volcanic field | scoria cone | caldera

Edgecumbe