Mariana Trench

Deepest oceanic trench on Earth

The Mariana Trench is the deepest oceanic trench on Earth, located in the western Pacific Ocean, about 200 kilometers (124 mi) east of the Mariana Islands. It is crescent-shaped and measures about 2,550 km (1,580 mi) in length and 69 km (43 mi) in width. The maximum known depth is 10,935 ± 6 meters (35,876 ± 20 ft; 5,979.3 ± 3.3 fathoms; 6.7947 ± 0.0037 mi) at the southern end of a small slot-shaped valley in its floor known as the Challenger Deep.

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