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How deep is the Puerto Rico Trench?
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The Puerto Rico Trench is a submarine depression located in the North Atlantic Ocean. While sources provide varying measurements for its maximum depth, the deepest point in the Atlantic Ocean is known as the Milwaukee Depth.
According to Britannica, the Milwaukee Depth reaches 27,493 feet (8,380 meters) below sea level. Other records, such as those cited in the Merriam-Webster dictionary, note a depth of 28,374 feet (8,648 meters) for the deepest part of the trench.123
The trench itself is approximately 1,090 miles (1,750 km) long and 60 miles (100 km) wide, situated roughly 75 miles north of the island of Puerto Rico.1