A raised coral atoll or uplifted coral atoll is an atoll that has been lifted high enough above sea level by tectonic forces, protecting it from scouring by storms and enabling soils and diverse – often endemic – species of flora and fauna to develop. [1]

Niue, a raised coral atoll, is an island country in the South Pacific, home to an incredible shark refuge of grey reef sharks, a globally threatened species. In 2017, the government of Niue announced the creation of a large-scale marine protected area of 127,000 square kilometers.

Makatea, or Mangaia-te-vai-tamae, [2] is a raised coral atoll in the northwestern part of the Tuamotus, which is a part of the French overseas collectivity of French Polynesia. It is located 79 kilometres (49 mi) southwest from Rangiroa to the west of the Palliser group, which also is in French Polynesia.

Feb 25, 2021 · Niue is an island nation and a raised coral atoll located in the southwestern Pacific Ocean. It is geographically positioned both in the Western and Southern hemispheres of the Earth. Niue is situated between Tonga, Samoa and Cook Islands.

Jul 14, 2023 · Unlike its South Pacific neighbours, it’s not an archipelago of islands with soft sandy beaches or volcanoes. It’s a sole island which is a raised coral atoll – one of the largest in the world. Find out more about how Niue was formed and the geology of Niue with this guide.

Niue is a distinctive raised coral island, often referred to as ‘The Rock’, with its highest point at about 60 meters above sea level, offering stunning views and geological wonders.

Mar 19, 2024 · Aldabra Atoll in the Indian Ocean is one of the largest raised coral reefs in the world. This atoll, consisting of coral islands ringing a shallow lagoon, is known for the hundreds of endemic species—including the Aldabra giant tortoise —that live there.

coral island, tropical island built of organic material derived from skeletons of corals and numerous other animals and plants associated with corals. Coral islands consist of low land perhaps only a few metres above sea level, generally with coconut …

A raised coral atoll is an island that formed as a normal coral atoll, but was then uplifted by tectonic forces. The largest of these is Lifou Island, which forms part of French New Caledonia in the south west Pacific Ocean.

The island is the world’s largest raised coral atoll, and the relatively undisturbed eastern part of the island, including the lake, was designated a UNESCO World Heritage site in 1998. Area province, 259 square miles (671 square km).