The Mariana Trench or Marianas Trench is located in the western Pacific Ocean approximately 124 miles east of the Mariana Islands. It is off the coast of Guam. It has the deepest natural point in the world. It is a crescent-shaped trough in the Earth’s crust averaging about 1,580 miles long and 43 miles wide. The maximum known depth is 36,070 feet. That is about 6.8 miles. Mount Everest is just over 29,000 feet. The deepest known species was discovered by Dr. Thomas Linely and team at 26,900 feet down, just over 5 miles. The Mariana Snailfish Pseudoliparis swirei.

« Back to Glossary Index