Argentine Sea

The Argentine Sea (Spanish: Mar Argentino) is the sea within the continental shelf off the Argentine mainland.

The Argentine Sea is located in the South Atlantic Ocean off the southeastern coast of Argentina, extending from the approximate latitude of Montevideo, Uruguay, southward to Tierra del Fuego, and is situated about 500 miles (800 km) north of Antarctica. The Argentine Sea has a surface of 386,102 sq. mi. (1,000,000 km²) and is one of the largest seas in the world. The average depth of sea is 3,952 feet (1,205 m) and maximum depth is 7,296 feet (2,224 m). It has a salinity of 35‰.

The Argentine Sea progressively widens going southward, in contrast with the narrowing of the continental mass. The sea platform has a series of plateaus which descend to the east as large terraces or steps. Because of its stair-shaped plateaus, the Argentine Sea is similar morphologically to the Extra-Andean Patagonia. The Falkland Islands are also located within the continental shelf of the Argentine Sea.

According to the law 23968, the territorial waters of Argentina extend 12 nautical miles from the line from the goulfs of San Matías and San Jorge to the outer limits of the Río de la Plata. The contiguous zone extends 12 nautical miles after the territorial waters, and the exclusive economic zone 200 nautical miles from it. The continental shelf extends to either the limits of the exclusive economic zone or the shelf slope. Argentina has signed and ratified the United Nations Convention on the Law of the Sea.

The exclusive economic zone claimed by Argentina overlap with claims maintained by the United Kingdom on behalf of the Falkland Islanders and similar claims around the Island of South Georgia and the South Sandwich Islands. The UK Falkland Islands claim boundary starts from the midpoint between Argentina and the Islands to the West and stretches 200 nautical miles in other directions with similar claims around the other British Overseas Territories.

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