Ocean Floor Mariana Trench

In a subduction zone some of the molten material the former seafloor can rise through volcanoes located near the trench.
Ocean floor mariana trench. Although it s the deepest point in the world s oceans mariana trench is not the part of the ocean floor closest to the earth s core a result of. The maximum known depth is 10 984 metres 36 037 ft 25 metres 82 ft 6 825 miles at the southern end of a. Mariana trench also called marianas trench is a trench located in the western pacific ocean at the deepest point in all of the oceans of the world. It is the deepest oceanic trench on earth.
Estimates vary a little but at its blackest depths a crease called the challenger deep this abyss is close to 36 037 feet 10 984 meters or about 6 8 miles 10 9 kilometers deep. Victor vescovo spent four. The mariana trench in the south pacific ocean is formed as the mighty pacific plate subducts beneath the smaller less dense philippine plate. It is located in the south pacific ocean on the northern side of the kermadec tonga subduction zone.
In fact the mariana trench is the deepest part anywhere in the earth s oceans. Mariana trench also called marianas trench deep sea trench in the floor of the western north pacific ocean the deepest such trench known on earth located mostly east as well as south of the mariana islands it is part of the western pacific system of oceanic trenches coinciding with subduction zones points where two adjacent tectonic plates collide one being forced below the other. The trench is approximately 1580 miles in length and only approximately 43 miles wide on average. It is crescent shaped and measures about 2 550 km 1 580 mi in length and 69 km 43 mi in width.
The tonga trench is the second deepest site in the ocean floor at 35 702 feet below the level of the sea floor. An american explorer has descended nearly 11km seven miles to the deepest place in the ocean the mariana trench in the pacific.