35,400 feet deep
27,600 ft. is the deepest
The deepest ocean depth to be sounded is in the Challenger Deep of the Mariana Trench at a depth of 10,911 m (35,798 ft) below sea level.Underwater the Marianas Trench would be the deepest Trench in the World.Challenger Deep's Deepest part is about 35,838 feet deep (11035 meters).The deepest point in any ocean is the Mariana Trench (aka Challenger Deep) in the western Pacific Ocean at 11,033 metres deep.
The Puerto Rico Trench varies in its temperatures. However, it's been recorded as being as cold as below zero there. The Trench is an oceanic trench and it is located in between the Caribbean Sea and the Atlantic Ocean.
The Puerto Rico trench is 8,800 meter's deep (28,232 ft) under water so I'm guessing its freezing down there.
The answer to your question, concerning the deepest trench in the Atlantic Ocean, is that of the Puerto Rico Trench. It is actually found upon the boundary between the Caribbean Sea and the Atlantic Ocean. This trench has been measured at a maximum depth of 28,232 ft; a depth of little over five miles! I hope that this answers your question.
Its deepest point is Milwaukee Deep which is in the Puerto Rico Trench −8,605 metres (-28,232 ft) it is 28.323ft
The Puerto Rico Trench is an oceanic trench located on the boundary between the Caribbean Sea and the Atlantic Ocean. The island of Puerto Rico lies immediately to the south of the fault zone and the trench. The trench is 800 kilometers (500 mi) long and has a maximum a depth of 8,605 meters (28,232 ft) at Milwaukee Deep, which is the deepest point in the Atlantic Ocean.
The Puerto Rico Trench.
The deepest trenches in the world are -1 - Mariana Trench (aka Challenger Deep) in the western Pacific Ocean at 11,034 metres deep.2 - Tonga Trench in the south Pacific Ocean at 10,882 metres deep.3 - Philippine Trench (aka Philippine Deep, Mindanao Trench and Mindanao Deep) in the western Pacific Ocean at 10,540 metres deep.
Puerto Rico Trench.
Part of the Puerto Rico Trench, you'd need to look 76.0 miles (122.3 km) north of the coast of Puerto Rico at Punto Palmas Altas in Manatí. The Milwaukee Deep has a maximum depth of at least 27,493 feet (8,380 m), the deepest part of the Atlantic Ocean!So why is a trench north of Puerto Rico named Milwaukee?It is named for the USS Milwaukee (CL-5), a U.S. Navy Omaha class cruiser, which discovered the Milwaukee Deep on February 14, 1939 with a reading of 28,680 feet (8,740 m). (Source: Wikipedia)
Puerto Rico Trench.
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