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Demographics. Population. 4 [n 1] (2018) The Coral Sea Islands Territory is an external territory of Australia which comprises a group of small and mostly uninhabited tropical islands and reefs in the Coral Sea, north-east of Queensland, Australia. The only inhabited island is Willis Island. The territory covers 780,000 km 2 (301,160 sq mi ...
As the volcanic island subsides, the coral fringing reef becomes a barrier reef that is detached from the island. Eventually, reef and the small coral islets on top of it are all that is left of the original island, and a lagoon has taken the place of the former volcano. The lagoon is not the former volcanic crater.
Cay. Heron Island, Australia. A cay (/ ˈkiː, ˈkeɪ / KEE, KAY), also spelled caye or key, is a small, low- elevation, sandy island on the surface of a coral reef. Cays occur in tropical environments throughout the Pacific, Atlantic, and Indian oceans, including in the Caribbean and on the Great Barrier Reef and Belize Barrier Reef.
The Coral Sea (French: Mer de Corail) is a marginal sea of the South Pacific off the northeast coast of Australia, and classified as an interim Australian bioregion. The Coral Sea extends 2,000 kilometres (1,200 mi) down the Australian northeast coast. Most of it is protected by the French Natural Park of the Coral Sea (French: Parc Naturel de ...
In 1939, the Spratly Islands were coral islets mostly inhabited by seabirds. [2] Despite the Spratly Islands naturally consisting of 19 islands (see below), according to a Chinese 1986 source, the Spratly Islands consist of 14 islands or islets, 6 banks, 113 submerged reefs, 35 underwater banks and 21 underwater shoals. [4]
Willis Island. Willis Island is the only permanently inhabited island in the Coral Sea Islands Territory, an external territory of Australia, located beyond the Great Barrier Reef in the Coral Sea. The island is located some 450 kilometres (280 mi) east of Cairns, Queensland. It is the southernmost of the Willis Islets, a group of three islands ...
Great Barrier Reef. The Great Barrier Reef is the world's largest coral reef system, [1][2] composed of over 2,900 individual reefs [3] and 900 islands stretching for over 2,300 kilometres (1,400 mi) over an area of approximately 344,400 square kilometres (133,000 sq mi). [4][5] The reef is located in the Coral Sea, off the coast of Queensland ...
Caroline Island 's islets, which only rise a few meters above sea level, share a common geologic origin and consist of sand deposits and limestone rock set atop a coral reef. Three large islets — Nake, Long, and South Islets — make up 68 percent of the land area. The remaining assembly of small islets, divided into four groupings, was ...