Kaguyak volcano is lake-filled caldera, 2.5-km (1.5 mi) in diameter, that truncates a
former stratovolcano. Postcaldera lava domes form a prominent peninsula (center) and a
small island. Photograph by C. Neal, U.S. Geological Survey, June 4, 1990.
Image courtesy of AVO / U.S. Geological Survey.
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