Chaos Reef is the confused area of breakers and shoal water in the north extremity of Aitcho Islands group on the west side of English Strait

English Strait

English Strait is the 17 km long and 2 km wide strait lying between Greenwich Island and Robert Island in the South Shetland Islands, Antarctica. Trending southeast-northwest, and entered between Santa Cruz Point and Edwards Point in the south, and Fort William Point and Okol Rocks,...

 in the South Shetland Islands

South Shetland Islands

The South Shetland Islands are a group of Antarctic islands, lying about north of the Antarctic Peninsula, with a total area of . By the Antarctic Treaty of 1959, the Islands' sovereignty is neither recognized nor disputed by the signatories and they are free for use by any signatory for...

, Antarctica. The area was visited by early 19th century sealers

Seal hunting

Seal hunting, or sealing, is the personal or commercial hunting of seals. The hunt is currently practiced in five countries: Canada, where most of the world's seal hunting takes place, Namibia, the Danish region of Greenland, Norway and Russia...

 operating from nearby Clothier Harbour

Clothier Harbour

Clothier Harbour is the 1.5 km wide bay indenting for 1 km the north coast of Robert Island in the South Shetland Islands, Antarctica between Hammer Point on the northeast and Onogur Islands on the southwest...

.

Following a survey by the 1949 Chilean Antarctic Expedition, the feature was resurveyed and descriptively named from HMS Protector

HMS Protector (A146)

HMS Protector was an Antarctic patrol vessel of the Royal Navy.She was laid down as a fast net layer by Yarrow Shipbuilders in Glasgow in August 1935, launched in August 1936 and commissioned on 30 December 1936. She served in the South Atlantic and in the Norwegian Campaign during World War II...

 in 1967.

Location

The reef is located at 62°21′50.6"S 59°46′11"W which is 970 m (1,061 yd) north-northwest from the midpoint of Okol Rocks

Okol Rocks

Okol Rocks is a group of rocks in the north of Aitcho Islands group on the west side of English Strait in the South Shetland Islands, Antarctica...

, 1.13 km (0.702151192414282 mi) north-northeast of Kilifarevo Island

Kilifarevo Island

Kilifarevo Island is an ice-free island in the Aitcho group on the west side of English Strait in the South Shetland Islands, Antarctica. The island is situated northwest of Jorge Island, north of Riksa Islands and southeast of Morris Rock. Extending , surface area...

, 1.48 km (0.919631650241714 mi) east-northeast of Morris Rock

Morris Rock

Morris Rock is rising to in the northwest extremity of Aitcho group, English Strait in the South Shetland Islands, Antarctica. The area was visited by early 19th century sealers....

, 1.26 km (0.782929648178757 mi) southeast of Turmoil Rock, 3.96 km (2.5 mi) southwest of Cornwall Island

Cornwall Island (Antarctica)

Cornwall Island is a low ice-free island off the north coast of Robert Island in the South Shetland Islands, Antarctica. Surface area . Mónica Rock is lying west of the island and north of Passage Rock, east of Table Island and south of Potmess Rocks...

 and 2.45 km (1.5 mi) west-northwest of Fort William

Fort William (Robert Island)

Fort William Point is the conspicuous flat-topped rocky headland forming the northwest extremity of Coppermine Peninsula and Robert Island in the South Shetland Islands, Antarctica...

, Robert Island

Robert Island (South Shetland Islands)

Robert Island or Mitchells Island or Polotsk Island or Roberts Island is an island long and wide, situated between Nelson Island and Greenwich Island in the South Shetland Islands. Robert Island is located at . Surface area...

 (Chilean mapping in 1949-50 and 1971, British in 1968, 1972 and 1990, and Bulgarian in 2009).

See also

• Composite Antarctic Gazetteer
• List of Antarctic and sub-Antarctic islands
• List of Antarctic islands south of 60° S
• SCAR
  Scientific Committee on Antarctic Research
  The Scientific Committee on Antarctic Research is an interdisciplinary body of the International Council for Science . It was established in February 1958 to continue the international coordination of Antarctic scientific activities that had begun during the International Geophysical Year of 1957-58...
  
  
• Territorial claims in Antarctica

Map

• L.L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2009. ISBN 978-954-92032-6-4

External links

• SCAR Composite Antarctic Gazetteer.