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Mariana Trench


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The Mariana Trench or Marianas Trench, located in the western Pacific Ocean approximately 200 kilometres (124 mi) east of the Mariana Islands, is the deepest point in the world's oceans. It is a crescent-shaped trough in the Earth's crust averaging about 2,550 km (1,580 mi) long and 69 km (43 mi) wide. The maximum-known depth is 10,994 metres (36,070 ft) at the southern end of a small slot-shaped valley in its floor known as the Challenger Deep. However, some, unrepeated, measurements place the deepest portion at 11,034 metres (36,201 ft). For comparison: if Mount Everest were dropped into the trench at this point, its peak would still be over 2 kilometres (1.2 mi) underwater.
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