What is the deepest known point in the Earth’s oceans?

What is the deepest known point in the Earth’s oceans?
– Tonga Trench
– Mariana Trench
– Eurasian Basin
– Java Trench

Mariana Trench

The deepest known point in Earth’s oceans is the Challenger Deep in the Mariana Trench. If the highest peak on Earth, Mount Everest, sat in the Challenger Deep, the famed mountain would sit over a mile beneath the surface. The HMS Challenger, a British survey ship, first measured the depth of the Mariana Trench in 1875. Challenger Deep’s name honors the Royal Navy ship that first measured its depths. Source: Geology.com

Mariana Trench
Oceanic trench
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The Mariana Trench or Marianas Trench is the deepest part of the world’s oceans. It is located in the western Pacific Ocean, an average of 200 kilometres to the east of the Mariana Islands, in the Western Pacific east of Philippines. Wikipedia
Elevation: -10,994 m
Lowest part: Challenger Deep
Did you know: In 1984 the Japanese sent a highly specialized survey vessel out to the Marianas Trench and collected some data using a piece of equipment called a narrow, multi-beam echo sounder. extremescience.com

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