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Semisopochnoi Volcano - John Seach
Aleutian Islands, Alaska
51.95 N, 179.62 W
summit elevation 1221 m
stratovolcano
Semisopochnoi island is 21 km x 18 km in diameter. It is the largest of the young western Aleutian volcanic islands.
Mt Cerberus is the most active of the three cones in the caldera.
Semisopochnoi Volcano Eruptions
1987, 1873, 1830?, 1792?, 1790?, 1772?