21, Apr 2021, EDT.
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Saint Helena (St. Helena) ›
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Economic Indicator: Geography (Location, geographic coordinates, map references, area, terrain, elevation extremes, borders, coastline and maritime claims)
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Detailed Analysis for Year: 2015
Full Dataset: from 1993 to 2014
Dataset updated: 17th March 2015
Data Source: CIA Factbook
National or Regional Currency: St. Helena Pound
Currency Symbol: SHP
Location: islands in the South Atlantic Ocean, about midway between South America and Africa; Ascension Island lies 1,300 km (800 mi) northwest of Saint Helena; Tristan da Cunha lies 4,300 km (2,700 mi) southwest of Saint Helena
Geographic Coordinates: Saint Helena: 15 57 S, 5 42 W
Map References: Africa
Area: total: 308 sq km ; land: Saint Helena Island 122 sq km; Ascension Island 88 sq km; Tristan da Cunha island group 98 sq km ; water: 0 sq km
Area - Comparative: slightly more than twice the size of Washington, DC
Terrain: the islands of this group result from volcanic activity associated with the Atlantic Mid-Ocean Ridge ; Saint Helena: rugged, volcanic; small scattered plateaus and plains ; Ascension: surface covered by lava flows and cinder cones of 44 dormant volcanoes; ground rises to the east ; Tristan da Cunha: sheer cliffs line the coastline of the nearly circular island; the flanks of the central volcanic peak are deeply dissected; narrow coastal plain lies between The Peak and the coastal cliffs
Elevation Extremes(M): lowest point: Atlantic Ocean 0 m ; highest point: Queen Mary's Peak on Tristan da Cunha 2,060 m; Green Mountain on Ascension Island 859 m; Mount Actaeon on Saint Helena Island 818 m
Land Boundaries(Km): 0 km
Coastline: 135 km
Maritime Claims: territorial sea: 12 nm ; exclusive fishing zone: 200 nm
Geography - Note: Saint Helena harbors at least 40 species of plants unknown elsewhere in the world; Ascension is a breeding ground for sea turtles and sooty terns; Queen Mary's Peak on Tristan da Cunha is the highest island mountain in the South Atlantic and a prominent landmark on the sea lanes around southern Africa