Bogoslof Island or Agasagook Island is the summit of a submarine stratovolcano at the south edge of the Bering Sea, 35 miles northwest of Unalaska Island of the Aleutian Islands chain. It has a land area of 319.3 acres and is uninhabited. It is 1,040 meters long and 1,512 m wide, with a peak elevation of 490 feet. The stratovolcano rises about 6,000 ft fro…Bogoslof Island or Agasagook Island is the summit of a submarine stratovolcano at the south edge of the Bering Sea, 35 miles northwest of Unalaska Island of the Aleutian Islands chain. It has a land area of 319.3 acres and is uninhabited. It is 1,040 meters long and 1,512 m wide, with a peak elevation of 490 feet. The stratovolcano rises about 6,000 ft from the seabed, but the summit is the only part that projects above sea level. The island is believed to be relatively new, with the volcano being entirely below sea level before 1796, and most of the presently 300-acre island being formed by eruptions since 1900.
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