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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 Atlantic Ocean is deeper than the Indian ocean. The Atlantic Ocean is the second largest ocean in the world at 76,762,000 sq km. Its deepest point is the Puerto Rico Trench (Milwaukee Deep) at 8,648 metres. The Indian Ocean is the third largest ocean in the world at 68,556,000 sq km. Its deepest point is the Java Trench at 7,725 metres.
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 Atlantic Ocean is bigger than the Indian Ocean. The Atlantic Ocean is the second largest ocean in the world at 76,762,000 sq km. Its deepest point is the Puerto Rico Trench (Milwaukee Deep) at 8,648 metres. The Indian Ocean is the third largest ocean in the world at 68,556,000 sq km. Its deepest point is the Java Trench at 7,725 metres.
Its deepest point is Milwaukee Deep which is in the Puerto Rico Trench −8,605 metres (-28,232 ft) it is 28.323ft
The Pacific Ocean is the largest ocean in the world at 155,557,000 sq km. Its deepest point is the Mariana Trench (Challenger Deep) at 11,033 metres. The Atlantic Ocean is the second largest ocean in the world at 76,762,000 sq km. Its deepest point is the Puerto Rico Trench (Milwaukee Deep) at 8,648 metres.
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.
There is a mid-Atlantic trench in the Earth that is below the mid-Atlantic Ocean.
The South Sandwich Trench is a deep actuate trench located in the South Atlantic Ocean. The trench was made by the seduction of the southernmost portion of the South American Plate.
Atlantic
The Mariana Trench is the deepest point in any ocean and is located in the Pacific Ocean.
Pacific ocean