Geography of Tristan da Cunha

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Tristan da Cunha

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Other names
Etymology
LocationSouth Atlantic Ocean
Coordinates37°6′S 12°17′W
OS grid reference
Type
ArchipelagoTristan da Cunha
Adjacent to
Total islands



Tristan da Cunha is a remote group of volcanic islands in the south Atlantic Ocean. It is part of the British Overseas Territory of Saint Helena, Ascension, and Tristan da Cunha. The main island, also called Tristan da Cunha, is the most isolated inhabited island in the world, lying approximately 2,400 kilometers (1,500 miles) from the nearest inhabited land, Saint Helena, and 2,800 kilometers (1,750 miles) from the nearest continental land, South Africa.

Geography[edit | edit source]

Tristan da Cunha is a small archipelago consisting of the main island of Tristan da Cunha, along with several uninhabited islands: Inaccessible Island, Nightingale Island, and the Gough Island. The main island is roughly circular, with a diameter of about 11 kilometers (7 miles) and an area of 98 square kilometers (38 square miles).

Topography[edit | edit source]

The island is dominated by a central volcanic cone, Queen Mary's Peak, which rises to 2,062 meters (6,765 feet) above sea level. The peak is often covered in snow during the winter months. The island's terrain is rugged and mountainous, with steep cliffs and narrow coastal plains.

Climate[edit | edit source]

Tristan da Cunha has a temperate oceanic climate, characterized by mild temperatures and high humidity. The island experiences frequent rain and strong winds, with an average annual rainfall of about 1,675 millimeters (66 inches). The temperature ranges from 11°C (52°F) in winter to 22°C (72°F) in summer.

Flora and Fauna[edit | edit source]

The island's isolation has led to the development of unique flora and fauna. The vegetation is primarily composed of grassland and ferns, with some endemic plant species. The island is home to several bird species, including the Tristan albatross and the Atlantic yellow-nosed albatross. The surrounding waters are rich in marine life, including seals and various fish species.

Human Settlement[edit | edit source]

The only settlement on Tristan da Cunha is Edinburgh of the Seven Seas, located on the northwestern coast of the island. The settlement is home to the island's entire population, which is around 250 people. The community is largely self-sufficient, relying on agriculture, fishing, and limited tourism.

Also see[edit | edit source]



Template:Islands of the South Atlantic Ocean

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Contributors: Prab R. Tumpati, MD