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Location map Puerto Rico Trench—United States Geological Survey Perspective view of the sea floor of the Atlantic Ocean and the Caribbean Sea. The Lesser Antilles are on the lower left side of the view and Florida is on the upper right. The purple sea floor at the center of the view is the Puerto Rico Trench, the deepest part of the Atlantic ...
Milwaukee Deep, also known as the Milwaukee Depth, is the deepest part of the Puerto Rico Trench, constituting the deepest points in the Atlantic Ocean. [1] Together with the surrounding seabed area, known as Brownson Deep, the Milwaukee Deep forms an elongated depression that constitutes the floor of the trench. As there is no geomorphological ...
At this trench the North American Plate is being subducted by the Caribbean Plate. This subduction zone is responsible for the volcanism of the West Indies to the southeast of Puerto Rico. A major transform fault extends from the Puerto Rico trench along the northern coast of Puerto Rico and on through the Cayman Trough to the coast of Central ...
Bathymetry of the northeast corner of the Caribbean Plate showing the major faults and plate boundaries; view looking south-west. The main bathymetric features of this area include: the Lesser Antilles volcanic arc; the old inactive volcanic arc of the Greater Antilles (Virgin Islands, Puerto Rico, and Hispaniola); the Muertos Trough; and the Puerto Rico Trench formed at the plate boundary ...
Puerto Rico Trench: Boundary of Caribbean and Atlantic Ocean: Puysegur trench: Southwest of New Zealand Ryukyu Trench: Eastern edge of Japan's Ryukyu Islands: South Sandwich Trench: East of the South Sandwich Islands: Sunda Trench: Curves from south of Java to west of Sumatra and the Andaman and Nicobar Islands: Tonga Trench * Near Tonga: Yap ...
The Puerto Rico Trench is at a complex transition from the subduction boundary to the south and the transform boundary to the west. The eastern boundary is a subduction zone, the Lesser Antilles subduction zone , where oceanic crust of the South American plate is being subducted under the Caribbean plate.
The Puerto Rico Trench, the largest and deepest trench in the Atlantic, is located about 71 mi (114 km) north of Puerto Rico at the boundary between the Caribbean and North American plates. [93] It is 170 mi (270 km) long. [94] At its deepest point, named the Milwaukee Deep, it is almost 27,600 ft (8,400 m) deep. [93]
The Caribbean sea floor is also home to two oceanic trenches: the Cayman Trench and the Puerto Rico Trench, which put the area at a high risk of earthquakes. Underwater earthquakes pose a threat of generating tsunamis which could have a devastating effect on the Caribbean islands.