Bogoslof Island
| Bogoslof Island | |
|---|---|
 Aerial view, looking south, of Bogoslof Island |
|
| Elevation | 492 ft (150 m) [1] |
| Location | |
| Location | Aleutian Islands, Alaska |
| Coordinates | 53°55′38″N 168°02′04″W / 53.92722°N 168.03444°WCoordinates: 53°55′38″N 168°02′04″W / 53.92722°N 168.03444°W[1] |
| Geology | |
| Type | Submarine volcano[2] |
| Volcanic arc/belt | Aleutian Arc[2] |
| Last eruption | 1992[1] |
Bogoslof Island or Agasagook Island (Aleut: Aĝasaaĝux̂[3]) is the summit of a largely submarine stratovolcano located in the Bering Sea in the U.S. state of Alaska, 31 miles (50 km) behind the main Aleutian volcanic arc. It has a land area of 173 acres (0.70 km2) and is unpopulated. The peak elevation of the island is 490 feet (150 m). It last erupted in 1992. It is 1.76 kilometres (1.09 mi) long and 540 metres (0.34 mi) wide.
The first known emergence of the island above sea level was recorded during an underwater eruption in 1796. Since then, parts of the island have been successively added and eroded.[4]
In 1909 President Theodore Roosevelt designated Bogoslof and neighboring Fire Island a sanctuary for sea lions and nesting marine birds. Together, as the Bogoslof Wilderness, they are now part of the Aleutian Islands unit of Alaska Maritime National Wildlife Refuge. In November 1967, the island was designated a National Natural Landmark by the National Park Service. The islands were added to the National Wilderness Preservation System in 1970.
[edit] See also
- Bogoslof Wilderness
- List of National Natural Landmarks
- List of volcanoes in the United States of America
[edit] References
- ^ a b c "Bogoslof Description and Statistics". Alaska Volcano Observatory. United States Geological Survey. http://www.avo.alaska.edu/volcanoes/volcinfo.php?volcname=Bogoslof. Retrieved 2009-09-01.
- ^ a b "Bogoslof". Global Volcanism Program, Smithsonian Institution. http://www.volcano.si.edu/world/volcano.cfm?vnum=1101-30-. Retrieved 2009-01-19.
- ^ Bergsland, K. (1994). Aleut Dictionary. Fairbanks: Alaska Native Language Center.
- ^ [|Nunn, Patrick D.] (2009). Vanished Islands and Hidden Continents of the Pacific. Honolulu: University of Hawaii Press. p. 140. ISBN 978-0824832193.
[edit] External links
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Wikimedia Commons has media related to: Bogoslof Island |
- Volcanoes of the Alaska Peninsula and Aleutian Islands-Selected Photographs
- Bogoslof Island: Block 1069, Census Tract 1, Aleutians West Census Area, Alaska United States Census Bureau
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- Active volcanoes
- Islands of the Aleutian Islands
- Islands of Aleutians West Census Area, Alaska
- National Natural Landmarks in Alaska
- Submarine volcanoes
- Volcanoes of Alaska
- Landforms of Aleutians West Census Area, Alaska
- Landforms of the Aleutian Islands
- New islands
- Aleutians West Census Area, Alaska geography stubs
