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What is the deepest trench in the Atlantic Ocean?

What is the deepest trench in the Atlantic Ocean?

Puerto Rico Trench
The deepest part of the Atlantic Ocean is thought to be the Milwaukee Deep within the roughly east-west oriented Puerto Rico Trench, located around 120 km north of the island of Puerto Rico (Lyman, 1954) (Fig.

How did we discover the deepest trench in the ocean?

In 1984, the Japanese survey vessel Takuyō (拓洋) collected data from the Mariana Trench using a narrow, multi-beam echo sounder; it reported a maximum depth of 10,924 metres (35,840 ft), also reported as 10,920 metres (35,830 ft) ±10 m (33 ft).

How do we know Mariana Trench is the deepest?

Sonar beams sent to the ocean floor are updated many times per second, and verified by Global Positioning Satellites. These maps clearly indicate the Mariana Trench as the deepest of its kind, and so far the Challenger Deep is its lowest measured point.

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Who discovered the deepest part of the ocean?

(CNN) — What lies in the chasmic depths at the bottom of the world’s seas? American undersea explorer Victor Vescovo has become the first person to dive to the deepest points of the earth’s five oceans, and he’s now back on dry land to reveal his discoveries.

How much deep is the Atlantic Ocean?

It has an average depth (with its seas) of 11,962 feet (3,646 metres) and a maximum depth of 27,493 feet (8,380 metres) in the Puerto Rico Trench, north of the island of Puerto Rico.

What is the deepest point of the ocean?

The deepest part of the ocean is called the Challenger Deep and is located beneath the western Pacific Ocean in the southern end of the Mariana Trench, which runs several hundred kilometers southwest of the U.S. territorial island of Guam. Challenger Deep is approximately 36,200 feet deep.

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Whats the deepest we have been in the ocean?

Vescovo’s trip to the Challenger Deep, at the southern end of the Pacific Ocean’s Mariana Trench, back in May, was said to be the deepest manned sea dive ever recorded, at 10,927 meters (35,853 feet).

What have we discovered in the Mariana Trench?

While exploring the Sirena Deep portion of the trench with a robotic lander, scientists found what they believe is evidence of a thriving microbial community clinging to the rocks in the abyss. Microbes and larger organisms, such as shrimp-like amphipods, have been found in the mud of the Mariana Trench before.