Semisopochnoi Volcano - John Seach


Aleutian Islands, Alaska

51.95 N, 179.62 W
summit elevation 1221 m

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?