How deep is the Mariana Trench?

The Mariana Trench - Oceanography. What is a Trench? At least 22 trenches have been identified although not all are classified as major. Ocean Trenches Of this number, 18 are in the Pacific Ocean, three in the Atlantic Ocean, and one in the Indian Ocean. Where, and What is the Mariana Trench? read more

The Mariana Trench or Marianas Trench is the deepest part of the world's oceans. It is located in the western Pacific Ocean, an average of 200 kilometres (124 mi) to the east of the Mariana Islands, in the Western Pacific east of Philippines. read more

The Mariana Trench is 11,033 meters (36,201 feet), (6033.5) fathoms deep. The Pressure at the deepest part of the Mariana Trench is over 8 tons per square inch. The coordinates for the Mariana Trench are 11"21' North latitude and 142" 12' East longitude. read more

The Challenger Deep, in the southern end of the Mariana Trench (sometimes called the Marianas Trench), is the deepest spot in the ocean. Its depth is difficult to measure from the surface, but modern estimates vary by less than 1,000 feet (305 meters). read more