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Bridgeman Island Volcano - John Seach
South Shetland Islands, Antarctica
62.05 S, 56.75 W
summit elevation 240 m
Stratovolcano
Bridgeman Island is located 100 km off the northern tip of the Antarctic peninsula.
The island measures 900 m by 600 m, and is the remnant of a much larger volcanic edifice, eroded and now submerged beneath the sea. The summit is covered in snow and inclined to SE. A crater is located at an elevation of 27 m in the west of the island.
Pyroclastic deposits on Bridgeman are a bright brick-red colour due to intense hydrothermal activity. Active fumaroles were reported on the island between 1821 and 1850.
Bridgeman Island Volcano Eruptions
No recent eruptions.