7 Deepest Parts of the Ocean

The Mariana Trench in the western Pacific Ocean contains the Earth’s deepest point, the Challenger Deep.

The Mariana trench is 2,550 km long, 69 km wide on average, and has a maximum depth of 10.91 km at the Challenger Deep.

Located in the southwest Pacific Ocean at the northern end of the Kermadec Tonga Subduction Zone, the Tonga Trench is 10.882 km below sea level.

The deepest point in the Tonga trench is the Horizon Deep.

The third deepest point in the world, the Galathea Depth in the Philippine trench, is 10.54 km below sea level.

The Kermadec Trench lies in the South Pacific Ocean and has a maximum depth of 10.04 km.

The Izu-Ogasawara Trench, which has a maximum depth of 9.78 km, stretches from Japan to the northern section of the Mariana Trench.

Located between the Caribbean Sea and the Atlantic Ocean, the Puerto Rico trench marks the deepest point in this region and the eighth deepest point found on the Earth’s surface.

The deepest trench in the Atlantic Ocean after the Puerto Rico Trench is the South Sandwich Trench, about 8.42 km deep and described as Meteor Deep.