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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.
Further reading
Parra, J.C., Gonzalez, O. and Bannister, J., 2010. Aeromagnetic survey over the South Shetland Islands, Bransfield Strait and part of the Antarctic Peninsula. Andean Geology, (23).
Bridgeman Island Volcano Eruptions
No recent eruptions.