Strait of Magellan Totally Explained

Everything about Magellan Strait totally explained

The Strait of Magellan is a navigable sea route immediately south of mainland Chile, South America and north of Isla Grande de Tierra del Fuego. The strait is the most important natural passage between the Pacific and the Atlantic oceans, but it's considered a difficult route to navigate because of the inhospitable climate and the narrowness of the passage.

History

Ferdinand Magellan (the original name, in Portuguese, Fernão de Magalhães), a Portuguese sailor in service to the Spanish King, became the first European to navigate the strait in 1520, during his global circumnavigation voyage. Because Magellan's ships entered it on November 1, All Saints' Day, it was originally named Estrecho de Todos los Santos (Strait of All Saints). Later the Spanish king changed the name to Estrecho de Magallanes in honor of Magellan. Since its discovery the Spanish Empire and the Kingdom of Chile saw it as its southern boundary. The first Spanish colonization attempt was led by Pedro Sarmiento de Gamboa who founded Nombre de Jesús and Rey Don Felipe on its northern shores. The cities suffered severe food shortages, and years afterwards in 1587 the English navigator Sir Thomas Cavendish landed at the site of Rey Don Felipe and found only ruins of the settlement. He renamed the place Port Famine. Other early explorers included Francis Drake among others.

Incorporation to Chile

Chile took possession of the channel on May 23 1843. Chilean president Bulnes ordered the expedition after speaking with the Chilean libertador Bernardo O'Higgins who feared an occupation by Great Britain or France. The first Chilean settlement was Fuerte Bulnes situated in a forested zone on the north side of the strait. Fuerte Bulnes was later abandoned and the city of Punta Arenas was founded in 1848 further north where the magallanic forests met the Patagonian plains. In front of Punta Arenas, on the other shore of the strait in Tierra del Fuego the village of Porvenir emerged during a gold rush in late 1800s.
Until the Panama Canal was finished in 1914, the Strait of Magellan was the main route for steam ships traveling from the Atlantic Ocean to the Pacific, it was often considered the only safe way to move between the Atlantic and Pacific Oceans. Protected by Tierra del Fuego to the south and the bulk of South America to the north, ships crossed with relative ease, removed from the dangers of Drake Passage. Despite these natural defenses sail ships such as the clippers preferred Drakes passage as they'd more room to maneuver. The Drake Passage is the relatively narrow stretch of ocean separating Cape Horn (the southern tip of South America) from Antarctica, the waters of which are notoriously turbulent, unpredictable, and frequented by icebergs and sea ice.

Features

The strait is approximately 570 km long and is about 2 km wide at its narrowest point (Carlos III Island). The northwestern portion of the strait is connected with other sheltered waterways via the Smyth Channel. This area is similar to those of the Inside Passage of Alaska. Southward from Cape Froward, the principal shipping route follows through the Magdalena Channel. It links the strait with the Beagle Channel.
   The eastern opening is the wide bay on the border of Chile and Argentina in which the border limitation was defined in the 1984 Peace and Friendship Treaty. Immediately west are located Primera Angostura and Segunda Angostura, which are narrows formed by two different-aged terminal moraines. Here also lies Magdalena Island, which is part of Los Pingüinos Natural Monument. In this part of the strait, its southern boundary follows first the shoreline of the Isla Grande de Tierra del Fuego, then follows the northern end of the Canal Whiteside and continues along the shoreline of Dawson Island.
   The western part of the strait stretches northwestwardly from the northern end of Magdalena Channel to the strait's Pacific entrance. This portion of the strait is flanked on the south by Capitán Aracena Island, Clarence Island, Santa Inés Island, Desolación Island and other smaller islands, and on the north by Brunswick Peninsula, Riesco Island, Muñoz Gamero Peninsula and other minor islands. Here, two narrow channels that open into the strait, connect with Seno Otway and Seno Skyring. Francisco Coloane Coastal and Marine Protected Area, which protects Humpback Whales, is located in this area. This part of the strait lies on the elongated Magallanes-Fagnano Fault, which marks a plate boundary between the South American Plate and the Scotia Plate. This fault continues southward under the Almirantazgo Fjord and then low the Fagnano Lake.
   To the west, there are a number of access points from the Pacific, though the most easily seen here's the roughly stretch from the Queen Adelaide Archipelago (at center left) to the bulk of the Strait (at lower center). The islands and mountains are highlighted by bright white snow, while the lower-elevation lands to the north and east remain clear. This image was acquired by the Aqua satellite on 27 August 2003.
   At the site of Primera Angostura, Isla Grande de Tierra del Fuego is as closest to the mainland of South America.

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