Which is the deepest known point in the world's oceans?
Quick Answer
The Challenger Deep in the Mariana Trench is the deepest known point in the oceans. It reaches roughly 10,900 to 11,000 meters below sea level, depending on measurement.
The Full Story
The Challenger Deep, located in the Mariana Trench in the western Pacific Ocean, is the deepest known part of Earth’s oceans. Different surveys have produced slightly different depths, but it is commonly placed at around 10,900 to 11,000 meters below sea level. The location was first identified by the HMS Challenger expedition in the 1870s, and later explored by deep-sea vehicles including Trieste in 1960 and James Cameron’s Deepsea Challenger in 2012. The pressure there is more than 1,000 times the pressure at sea level.
Key Facts
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"The deepest place on Earth is deeper than most mountains are tall."
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