Deepest Trench In The Ocean Floor

In general the cross sections of deep sea trenches are v shaped with steeper landward sides.

Deepest trench in the ocean floor.

The challenger deep at the bottom of the mariana trench lies deep in the pacific ocean near the island of guam. 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. Oceanic trenches typically extend 3 to 4 km 1 9 to 2 5 mi below the level of the surrounding oceanic floor. Only three people have visited the challenger deep the deepest ocean trench in the world.

After scaling the mid ocean ridge and traversing hundreds to thousands of miles of abyssal plains you might encounter an ocean trench. It is crescent shaped and measures about 2 550 km 1 580 mi in length and 69 km 43 mi in width. Oceanic trenches are topographic depressions of the sea floor relatively narrow in width but very long. It is the deepest oceanic trench on earth.

The mariana trench or marianas trench is located in the western pacific ocean about 200 kilometres 124 mi east of the mariana islands. 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. 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. The mariana trench for example is the deepest place in the ocean at 36 201 feet.

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. The maximum known depth is 10 984 metres 36 037 ft 25 metres 82 ft 6 825 miles at the southern end of a. These plates slowly move toward each other at distances that range from a few millimeters per year to more than 10 centimeters. The deepest ocean depth to be sounded is in the challenger deep of the mariana trench.

These trenches are considered the deepest part of the ocean floor occurring at the boundary between convergent plates and lithospheric plates. Media outlets overwhelmingly referred to the area as the brownson deep while the name milwaukee deep was used by others. An oceanic trench is a long and narrow depression in the ocean floor. Narrow flat abyssal.

A joint french american crew jacques piccard and don walsh in 1960 and national geographic explorer in residence james cameron in 2012. Deep sea trenches and their approaches are striking features on the ocean floor. These oceanographic features are the deepest parts of the ocean floor.