Which place on Earth has the deepest ocean trench?
Quick Answer
The Mariana Trench is the deepest known part of the ocean, with the Challenger Deep reaching about 10,900 to 11,000 meters below sea level.
The Full Story
The Mariana Trench in the western Pacific Ocean is the deepest known ocean trench on Earth. Its deepest point, the Challenger Deep, lies roughly 10,900 to 11,000 meters below sea level, depending on the measurement method and survey. The trench forms where the Pacific Plate subducts beneath the Mariana Plate, creating one of the planet’s most extreme environments. Despite the pressure, life has been found there, including specialized microbes and deep-sea animals.
Key Facts
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"Earth’s deepest point is stranger than you think—what’s down there?"
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