The Mariana trench lies in the west of the Pacific Ocean, south of Japan. Its depth varies along its 1580-mile length but the deepest point confirmed …
How deep is the Mariana trench?
In many ways we know more about the surface of our moon than we do the extreme depths of our oceans, but we do at least know where it is deepest.
Photo: ic-cdn.flipboard.com
What lies at the deepest point in the ocean?
Explore the world's oceans
