The deepest part of the Pacific Ocean is in an area called the Mariana Trench. It is east of the Mariana Islands, near Japan. over 36,000 feet deep, the area was formed by the subduction of two plates, where one layer submerges under another as the layers are pushed together by geological forces deep inside the earth’s crust.
The Mariana Trench or Marianas Trench is the deepest part of the world’s oceans. It is located in the western Pacific Ocean, to the east of the Mariana Islands. The trench is about 2,550 kilometres (1,580 mi) long but has a mean width of only 69 kilometres (43 mi). It reaches a maximum-known depth of about 10.91 kilometres (6.78 mi) at the Challenger Deep, a small slot-shaped valley in its floor, at its southern end, although some unrepeated measurements place the deepest portion at 11.03 kilometres (6.85 mi).
There are only 22 trenches like the Marianna Trench in the world’s oceans, 18 of those are in the Pacific Ocean. The exact location of the Marianna Trench is 11″21′ North lattitude and 142″ 12′ East longitude, which is near Japan. The Marianna Trench is actually the deepest part of not only the earth’s oceans, but the earth itself. The trench was created by ocean-to-ocean subduction, which means a plate topped with oceanic crust subducted under another oceanic crust plate. Below is what a trench looks like:
The other deepest points in the world’s oceans are as follows: the Arctic Ocean’s Eurasian Basin at 5,450 meters (17,881 feet) deep, the Indian Ocean’s Java Trench at 7,725 meters (25,344 feet) deep, the Atlantic Ocean’s Puerto Rico Trench at 8,648 meters (28,374 feet) deep and the Pacific Ocean’s Mariana Trench at 11,033 meters (36,201 feet) deep.
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