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The following list enumerates and expands on notable sea stacks, including former sea stacks that no longer exist.
(coastal countries only)
Mellor (2020) lists 70 stacks in England, 10 in Wales and 275 in Scotland of which circa 110 are located around the coasts of Shetland. [1]
In archaeology, a broch is an Iron Age drystone hollow-walled structure found in Scotland. Brochs belong to the classification "complex Atlantic roundhouse" devised by Scottish archaeologists in the 1980s.
Easter Island is an island and special territory of Chile in the southeastern Pacific Ocean, at the southeasternmost point of the Polynesian Triangle in Oceania. The island is renowned for its nearly 1,000 extant monumental statues, called moai, which were created by the early Rapa Nui people. In 1995, UNESCO named Easter Island a World Heritage Site, with much of the island protected within Rapa Nui National Park.
Fernando de Noronha, officially the State District of Fernando de Noronha and formerly known as the Territory of Fernando de Noronha until 1988, is an archipelago in the Atlantic Ocean, part of the State of Pernambuco, Brazil, and located 354 km off the Brazilian coast. It consists of 21 islands and islets, extending over an area of 26 km2 (10 sq mi). Only the eponymous main island is inhabited; it has an area of 18.4 km2 (7.1 sq mi) and a population estimated at 3,101 in 2020. While most of the archipelago is relatively low-lying, there are parts reaching more than 100 m (328 ft) in elevation.
A stack or sea stack is a geological landform consisting of a steep and often vertical column or columns of rock in the sea near a coast, formed by wave erosion. Stacks are formed over time by wind and water, processes of coastal geomorphology. They are formed when part of a headland is eroded by hydraulic action, which is the force of the sea or water crashing against the rock. The force of the water weakens cracks in the headland, causing them to later collapse, forming free-standing stacks and even a small island. Without the constant presence of water, stacks also form when a natural arch collapses under gravity, due to sub-aerial processes like wind erosion. Erosion causes the arch to collapse, leaving the pillar of hard rock standing away from the coast—the stack. Eventually, erosion will cause the stack to collapse, leaving a stump. Stacks can provide important nesting locations for seabirds, and many are popular for rock climbing.
Landforms are categorized by characteristic physical attributes such as their creating process, shape, elevation, slope, orientation, rock exposure, and soil type.
Sutherland is a historic county, registration county and lieutenancy area in the Highlands of Scotland. The name dates from the Viking era when the area was ruled by the Jarl of Orkney; although Sutherland includes some of the northernmost land on the island of Great Britain, it was called Suðrland from the standpoint of Orkney and Caithness.
Terceira is a volcanic island in the Azores archipelago, about a third of the way across the North Atlantic Ocean at a similar latitude to Portugal's capital Lisbon, and the island group is an insular part of Portugal. It is one of the larger islands of the archipelago, with a population of 53,311 inhabitants in an area of approximately 396.75 km².
Capelo is a freguesia in the municipality of Horta on the island of Faial in the Azorean archipelago. The population in 2011 was 486, in an area of 26.64 km2. Capelo may be considered the westernmost settlement of Eurasia, if Fajã Grande, on Flores Island, is considered part of North America, for it sits on the North American Plate.
Motu Nui is the largest of three islets just south of Easter Island and is the westernmost place in Chile. All three islets have seabirds, but Motu Nui was also an essential location for the Tangata manu cult which was the island religion between the moai era and the Christian era. Motu Nui is the summit of a large volcanic mountain which rises over 2,000 meters from the sea bed. It measures 3.9 hectares in land area and is the largest of the five satellite islets of Easter island. It is one of three islands that is closest to Point Nemo, the place in the ocean that is farthest from land, the other two being Ducie Island, one of the Pitcairn Islands, and Maher Island in Antarctica.
Santa Maria is an island in the eastern group of the Azores archipelago and the southernmost island in the Azores. The island is known for its white sand beaches, distinctive chimneys, and dry warm weather.
Flowerpot Island is an island in Georgian Bay, in the Canadian province of Ontario, and is a part of Fathom Five National Marine Park. The island spans 2.1 kilometres (1.3 mi) from east to west, and 1.5 kilometres (0.93 mi) from north to south, and has a total area of 2 square kilometres. The name of the island comes from two rock pillars on its eastern shore, which look like flower pots. A third flowerpot once stood, but tumbled in 1903.
St Magnus Bay is a large coastal feature in the north-west of Mainland Shetland, Scotland. Roughly circular in shape with a diameter of about 19 kilometres (12 mi), it is open to the North Atlantic Ocean to the west. The indented coastline to the north, south and east between Esha Ness in the north and the Ness of Melby in the south contains numerous bays, firths and voes and there are several islands around the perimeter. The waters of the bay are up to 165 metres (541 ft) deep and may have been the site of a substantial meteor impact.
Baixo Islet, also known locally as Ilhéu do Carapacho and historically as Ilhéu dos Homiziados, is a small uninhabited islet group located off the southeast coast of the island of Graciosa in the Portuguese archipelago of the Azores. Along with Praia Islet to its north, Baixo Islet is one of two main breeding places of Monteiro's storm petrel, an endemic marine bird of the Azores.