Major oceanic trenches

UmerBhatti4 2,775 views 15 slides Aug 16, 2017
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About This Presentation

top 5 ocean trenches


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Oceanic Trenches

Zain Ahmed Umer Shahid Haider Sikandar Ghalib Waseem Faizan Sabir Group Members

What is an Oceanic Trench? Oceanic trenches are topographic depressions of the sea floor, relatively narrow in width, but very long. These oceanographic features are the deepest parts of the ocean floor. These are the distinctive features of the convergent plate boundaries. Oceanic lithosphere moves into trenches at a global rate of about 3 km 2 /yr. Trench

Trench Ocean Maximum Depth Mariana Trench Pacific Ocean 11,034 m (36,201 ft) Tonga Trench Pacific Ocean 10,882 m (35,702 ft) Philippine Trench Pacific Ocean 10,545 m (34,596 ft) Kuril-Kamchatka Trench Pacific Ocean 10,542 m (34,587 ft) Kermadec Trench Pacific Ocean 10,047 m (32,963 ft) Izu -Bonin Trench Pacific Ocean 9,810 m (32,190 ft) Japan Trench Pacific Ocean 9,504 m (31,181 ft) Puerto Rico Trench Atlantic Ocean 8,800 m (28,900 ft) South Sandwich Trench Atlantic Ocean 8,428 m (27,651 ft) Peru-Chile Trench Pacific Ocean 8,065 m (26,460 ft) Deepest Oceanic Trenches

The Mariana Trench is the deepest part of the world's oceans. Pacific plate subducting beneath Philippine sea plate It is located in the western Pacific Ocean, an average of 124 miles or 200km to the east of the Mariana Islands, Philippines. The trench is about 2,550 kilometers (1,580 mi) long with an average width of 69 kilometers (43 mi).  It is a crescent-shaped scar in the Earth's crust. Its maximum depth is 11,034 m(36,201 ft). Mariana Trench

The Tonga Trench is an oceanic trench located in the south-west Pacific Ocean. It is the deepest trench of the Southern Hemisphere and the second deepest on Earth. The Tonga Trench is the northern half of the Tonga- Kermadec subduction system which extends 2,550 km (1,580 mi) between New Zeeland and Tonga. The maximum depth of Tonga Trench is 10,882 m (35,702 ft). Tonga Trench

The Philippine Trench (also Philippine Deep, Mindanao Trench, and Mindanao Deep) is a submarine trench to the east of the Philippines. Philippine sea plate subduct beneath Philippine mobile belt It has a length of approximately 1,320 kilometers (820 miles) and a width of about 30 km (19 mi) from the center of the Philippine island of Luzon. The maximum depth of Philippine Trench is 10,545 m (34,596 ft). Philippine Trench

The Kuril–Kamchatka Trench or Kuril Trench is an oceanic trench in the northwest Pacific Ocean.  It extends from a triple junction with the  Ulakhan Fault and the Aleutian Trench near the Commander Islands, Russia, in the northeast, to the intersection with the Japan Trench in the southwest. The trench formed as a result of the  subduction zone, which formed in the late Cretaceous, that created the Kuril island arc as well as the Kamchatka volcanic arc. Its maximum depth is 10,542 m (34,587 ft). Kuril-Kamchatka Trench

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