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Challenger Deep

What is challenger deep?

· James MacDonald

Key facts

Name Challenger Deep[1]
Type Seafloor basins[1]
Location Southern end of the Mariana Trench, western Pacific Ocean[1]
Coordinates 11°22′ N 142°35′ E[1]
Depth 10,935 meters (35,876 feet)[1]
Status Lowest point of the oceans and Earth's lowest point with respect to surface elevation[1]

Challenger Deep is the deepest known point on Earth's surface, located at the southern end of the Mariana Trench in the western Pacific Ocean. It is a seafloor depression made up of three basins, reaching a depth of 10,935 meters (35,876 feet).

Context

Challenger Deep is the deepest known part of the ocean floor and the deepest known point on Earth's surface elevation [1]. It is a seafloor depression made up of three basins [1]. The name comes from HMS Challenger, which first sounded the trench in 1875 [2].

Documented claims

  • Challenger Deep is part of the Mariana Trench. [1]
  • The name comes from HMS Challenger. [2]
  • HMS Challenger first sounded the trench in 1875. [2]

Questions and answers

Is the Challenger Deep really the deepest?

Yes, Challenger Deep is the deepest known point on Earth's surface, with a depth of 10,935 meters (35,876 feet) [1].

Has anyone gone to the bottom of Challenger Deep?

The sources do not specify whether anyone has reached the bottom.

What was found at Challenger Deep?

The sources do not describe specific findings at Challenger Deep.

Can a human go to Challenger Deep?

The sources do not state whether a human can go to Challenger Deep.

Sources

  1. The Challenger Deep - Online Exhibitions - Cornell University — exhibits.library.cornell.edu (retrieved August 3, 2026)
  2. To the Bottom of the Earth: The Story of Challenger Deep — spinnaker-watches.com (retrieved August 3, 2026)

Sources last checked August 3, 2026. · More in Places