What are oceanic trenches? - ProProfs
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What are oceanic trenches?

Asked by K. Tanaka on Nov 13, 2018
What are oceanic trenches?

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R. Hazlewood

Here to relax my mind a bit

R. Hazlewood
Senior Executive, MBA, Louisville

Answered on Dec 06, 2018

Ocean trenches are steep depression in the deepest part of an Ocean (Ocean floor), they are natural occurring phenomenon. They are also the deepest part of an ocean. Ocean trench is formed when two tectonic plates carrying oceanic crust meet.

The deepest valley on Earth is an ocean trench, it is known as the Challenger Deep, which is also part of the Mariana Trench in the Pacific near Guam. The deepest point of this trench is 36,070 feet below the ocean surface.

Notable ocean trenches include; Aleutian trench, Kermadec trench, Tonga trench, Marina trench, Philippine trench and Kuril – Kamchatka trench.

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