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The Middle America Trench is a major subduction zone, an oceanic trench in the eastern Pacific Ocean off the southwestern coast of Middle America, stretching from central Mexico to Costa Rica. The trench is 1,700 miles (2,750 km) long and is 21,880 feet (6,669 m) at its deepest point.
The Clipperton fracture zone is the southernmost of the north east Pacific Ocean lineations. It begins east-northeast of the Line Islands and ends in the Middle America Trench off the coast of Central America, [4] [11] [6] forming a rough line on the same latitude as Kiribati and Clipperton Island, from which it gets its name.
[6] [7] The part of the Middle America Trench off Nicaragua contains relatively little sediment, allowing the slip to propagate up-dip all the way to the trench bottom, which tends to generate large tsunamis. [6] The trench sediment here has been subducted and this soft material lies along the plate interface.
Plate tectonics in the Americas Motagua Fault (green line) and the Middle America Trench (pink line). Earthquakes are relatively frequent occurrences in Guatemala. [1] The country lies in a major fault zone known as the Motagua and Chixoy-Polochic fault complex, which cuts across Guatemala and forms the tectonic boundary between the Caribbean plate and the North American plate.
The oceanic Nazca plate subducts beneath the continental South American plate at the Peru–Chile Trench. Just north of the Nazca plate, the oceanic Cocos plate subducts under the Caribbean plate and forms the Middle America Trench. Oceanic crust of the South American plate subducts under the Caribbean plate in the Lesser Antilles subduction zone.
Middle America Trench: Eastern Pacific Ocean; off coast of Mexico, Guatemala, El Salvador, Nicaragua, Costa Rica: New Hebrides Trench: West of Vanuatu (New Hebrides Islands). Peru–Chile Trench: Eastern Pacific Ocean; off coast of Peru & Chile: Philippine Trench * East of the Philippines: Puerto Rico Trench: Boundary of Caribbean and Atlantic ...
Rushing more U.S. military forces into the Middle East also runs the risk of entangling America in the open-ended provision of security to local allies at a time when it should be encouraging them ...
Approximate surface projection on Pacific Ocean of the Tehuantepec Ridge (orange). To its north-west off the coast of Mexico is the O’Gorman fracture zone (also orange). It is subducting under the Middle America Trench (white). Click to expand map to obtain interactive details. [1]