The Puerto Rico Trench is an oceanic trench located on the boundary between the Caribbean Sea and the Atlantic Ocean. The trench is associated with a complex transition between the subduction zone to the south along the Lesser Antilles island arc and the major transform fault zone or plate boundary that extends west between Cuba and Hispaniola through the Cayman Trench to the coast of Central America. Scientific studies have concluded that an earthquake occurring along this fault zone could generate a significant tsunami.
The island of Puerto Rico lies immediately to the south of the fault zone and the trench. The trench is 800 kilometres (497 mi) long and has a maximum depth of 8,648 metres (28,373 ft) at Milwaukee Deep, which is the deepest point in the Atlantic Ocean and the deepest point not in the Pacific Ocean.
Read more about Puerto Rico Trench: Geology, Public Awareness, Earthquake History
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