MARIANA TRENCH

The Mariana Trench is located in the Pacific Ocean, just east of the 14 Mariana Islands(11''21' North latitude and 142"12' East longitude) near Japan. As you probably already know, this is the deepest part o the earth's oceans, and the deepest location of the earth itself. It was created by ocean-to-ocean subduction, A geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate. The deepest part of the Mariana Trench is the challenger Deep, so named after the exploratory vessel HMS challenger II; a fishing boat converted into a sea lab by Swiss scientist Jacques Piccard.

How deep is Mariana Trench??

First off, here are average depths of the earth's oceans; the Arctic Ocean is 1,038 metres(3,407 feet) deep, the Indian Ocean is 3,872 metres(12,740 feet) deep, the Atlantic Ocean is 3,872 metres(12,254 feet) deep and the Pacific Ocean is 4,188 metres(13,740 feet) deep.

The deepest point in each of the earth's oceans are as follows; the Arctic Ocean's Eurasian Basin at 5,450 metres (17,881 feet) deep, the Indian Ocean's Java Trench at 7,725 metres (25,344 feet) deep, the Atlantic Ocean's Puerto Rico Trench at 8,648 metres (28,374 feet) and the Pacific Ocean's Mariana trench at 11,033 metres (36,201 feet) deep.