Deepest Trench In The Ocean Floor

These oceanographic features are the deepest parts of the ocean floor.

Deepest trench in the ocean floor.

Finally you would ascend tens of thousands of feet back up the continental slope and across the continental shelf. The deepest ocean depth to be sounded is in the challenger deep of the mariana trench. Oceanic trenches are topographic depressions of the sea floor relatively narrow in width but very long. It is crescent shaped and measures about 2 550 km 1 580 mi in length and 69 km 43 mi in width.

The mariana trench or marianas trench is located in the western pacific ocean about 200 kilometres 124 mi east of the mariana islands. After scaling the mid ocean ridge and traversing hundreds to thousands of miles of abyssal plains you might encounter an ocean trench. The mariana trench for example is the deepest place in the ocean at 36 201 feet. The challenger deep at the bottom of the mariana trench lies deep in the pacific ocean near the island of guam.

The floor of the puerto rico trench constitutes the deepest point in the atlantic ocean. In general the cross sections of deep sea trenches are v shaped with steeper landward sides. Oceanic trenches are a distinctive morphological feature of convergent plate boundaries along which lithospheric plates move towards each other at rates that vary from a few millimeters to over ten centimeters per year. These trenches are considered the deepest part of the ocean floor occurring at the boundary between convergent plates and lithospheric plates.

These plates slowly move toward each other at distances that range from a few millimeters per year to more than 10 centimeters. The maximum known depth is 10 984 metres 36 037 ft 25 metres 82 ft 6 825 miles at the southern end of a. An oceanic trench is a long and narrow depression in the ocean floor. During the five deeps expedition explorer victor vescovo achieved the first manned descent to this location.

Deep sea trenches and their approaches are striking features on the ocean floor. A joint french american crew jacques piccard and don walsh in 1960 and national geographic explorer in residence james cameron in 2012. The challenger deep consists of three basins each 6 to 10 km 3 7 to 6 2 mi long 2 km 1 2 mi wide and over 10 850 m 35 597 ft in depth oriented in echelon from west to east separated by. Media outlets overwhelmingly referred to the area as the brownson deep while the name milwaukee deep was used by others.

Oceanic trenches typically extend 3 to 4 km 1 9 to 2 5 mi below the level of the surrounding oceanic floor. Typical slopes range between 4 and 16 although slopes as steep as 45 have been measured in the tonga trench of the equatorial south pacific. The challenger deep is a relatively small slot shaped depression in the bottom of a considerably larger crescent shaped oceanic trench which itself is an unusually deep feature in the ocean floor.