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This iis a trench.Also ocean basin is the deepest part of the ocean.
deep ocean trench
deep ocean trench
The Mariana trench is under the Mariana islands in the pacific ocean and is 11.03 km deep.
An ocean trench is a long, deep depression in the ocean. They are the result of oceanic plates sliding under one another.
When two of Earth's oceanic plates collide, they can form a deep valley called a trench. Trenches are often found in subduction zones where one plate is forced beneath the other, creating a deep depression in the ocean floor.
Deep Trench in the ocean floor. It can sometimes be mistaken for a mid-ocean ridge.
the answer i Izu the trench
It is in the Mariana Trench!
Ocean trench is a long, narrow and deep depression in the ocean floor.
The ocean trench is almost 7 miles deep.
The deepest trenches in the world are -1 - Mariana Trench (aka Challenger Deep) in the western Pacific Ocean at 11,034 metres deep.2 - Tonga Trench in the south Pacific Ocean at 10,882 metres deep.3 - Philippine Trench (aka Philippine Deep, Mindanao Trench and Mindanao Deep) in the western Pacific Ocean at 10,540 metres deep.