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Bridgeman Island or Bridgemans's Island or Bridgman Island or Helena Island is one of the South Shetland Islands. It is an almost circular, volcanic island marked by steep sides, 0.8 kilometres (0.5 mi) long and 240 m (787 ft) high, lying 37 kilometres (23 mi) east of King George Island. Bridgeman Island is located at 62°04′S 56°44′W and has an elevation of 240 m (787 ft). Bridgeman Island is an established name dating back to about 1820. Bridgeman Island is the remnants of a much larger volcanic edifice that is now largely submerged. The eroded volcano does not display youthful volcanic features. Several reports of 19th-century fumarolic activity may instead refer to the much younger Penguin Island.

A promontory on Bridgeman Island
A promontory on Bridgeman Island

Bridgeman Island
Location of King George Island in the South Shetland Islands
Bridgeman Island
Location of Bridgeman Island
Bridgeman Island
Bridgeman Island (Antarctic Peninsula)
Geography
LocationAntarctica
Coordinates62°04′S 56°44′W
ArchipelagoSouth Shetland Islands
Length0.8 km (0.5 mi)
Highest elevation240 m (790 ft)
Administration
Administered under the Antarctic Treaty System
Demographics
PopulationUninhabited (although there are some weather stations)

Geology


The island is the top of a Pleistocene-Recent stratovolcano within the Bransfield Basin. The volcano has a base diameter of 25 km, and a height of 1050 m.[1]


See also



References


  1. Gonzalez-Ferran, O. (1991). Thomson, M.R.A.; Crame, J.A.; Thomson, J.W. (eds.). The Bransfield rift and its active volcanism, in Geological Evolution of Antarctica. Cambridge: Cambridge University Press. pp. 508–509. ISBN 9780521372664.



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На других языках

[de] Bridgeman Island

Bridgeman Island, auch Bridgeman’s Island, Bridgman Island oder Helena Island genannt, ist eine Vulkaninsel der Südlichen Shetlandinseln.
- [en] Bridgeman Island (South Shetland Islands)

[es] Isla Bridgeman

La isla Bridgeman o isla de Bridgemans o isla Helena, es parte del archipiélago de las islas Shetland del Sur en la Antártida. Se ubica a 62°04′S 056°44′O a 23 millas (37 km) al este de la isla Rey Jorge (25 de Mayo).

[fr] Île Bridgeman

L'île Bridgeman est une île de l'Antarctique, appartenant aux îles Shetland du Sud[1]. Elle a été nommée en 1820 par Edward Bransfield en l’honneur du capitaine Charles O. Bridgeman.

[it] Isola Bridgeman

L'isola Bridgeman (in inglese Bridgeman Island o Bridgemans's Island o Bridgman Island o Helena Island) è un'isola antartica localizzata ad una latitudine di 62° 04' sud e ad una longitudine di 56° 44' ovest. L'isola è stata scoperta nel gennaio 1820 da Edward Bransfield e intitolata al capitano della marina britannica Charles O. Bridgeman. Il territorio fa parte dell'arcipelago delle Shetland meridionali e la sovranità è sospesa ai sensi del trattato antartico.

[ru] Бриджмен (остров)

Бриджмен (Камень Елены; англ. Bridgeman Island)[1] — необитаемый остров диаметром 0,9 x 0,6 км, который находится в 37 километрах к востоку от острова Ватерлоо и входит в группу Южных Шетландских островов.


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