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Chilean Sea

geography Maturity 11-13 Next article →

The Chilean Sea is a very large area of water. It sits in the Pacific, Atlantic, and Southern Oceans.

It is not a sea in the way a scientist might define it. Instead, it is a sea in a legal and political sense. This means it is a space defined by laws and rules. It covers the waters near the coast of Chile. The area reaches 200 nautical miles out from the mainland. For the islands of Rapa Nui and Salas y Gómez, it reaches 350 nautical miles.

Chile uses this area to manage its own maritime spaces. This includes its continental shelf and an extended shelf. The country also looks after a "presential sea" near its borders. This is a zone where Chile shows interest in the high seas. It helps protect marine resources like fish that move around a lot. The goal is to stop pollution and harm to the ocean habitat.

Territorial waters - Chile
Territorial waters - Chile

By marking these zones, the country can guard its waters. It helps ensure that people use the sea in a fair way.

Defining these borders has taken many years of work. In 1974, the Ministry of Foreign Affairs named it the "Chilean Sea." Later, in 1986, new laws were made to match international ocean rules. There was a dispute with Peru about the northern limit. This was settled by the International Court of Justice in 2014. A new maritime border was set after that ruling. This agreement helped both countries know exactly where their waters start and end.

There are many specific parts to this maritime zone. Chile's exclusive economic zones include the Desventuradas Islands and the Juan Fernández Islands.

The mainland area is quite large at 1,975,760 square kilometers. Easter Island adds another 720,412 square kilometers to the total. In 2021, President Sebastián Piñera signed a decree about the continental shelf. This shelf starts from the Diego Ramírez Islands. Chile also works with the United Nations to report on its Antarctic territory.

What lies beneath the waves is also very important. The seafloor in this area contains phosphorite. It also has manganese-iron nodules. These are small lumps found on the bottom of the ocean. These materials might be used for mining in the future. Different countries sometimes disagree about where these underwater areas belong. For example, Argentina has disagreed with Chile's claims in the Southern Zone Sea. Even with these disagreements, the sea remains a vital part of the world.

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File:Territorial waters - Chile.svg
Territorial waters - Chile.svg
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