What is the longest trench in the Philippines?

The Philippine Trench. The Philippines Trench (also: “Philippine Deep”, “Mindanao Trench”, “Mindanao Deep”) stretches with a length of approximately 1,320 km and a width of round about 30 km from the northeast top of Luzon up to the Indonesian Island of Malacca Halmahera.

Is the Mariana Trench in the Philippines?

The Mariana Trench is located in the western Pacific Ocean, east of the Philippines and about 120 miles east of the Mariana Islands. In 2009, President Bush declared the area surrounding Mariana Trench as a wildlife refuge, called the Marianas Trench Marine National Monument.

What is the deepest ocean in the Philippines?

Philippine Trench, also called Philippine Deep, Mindanao Trench, or Mindanao Deep, submarine trench in the floor of the Philippine Sea of the western North Pacific Ocean bordering the east coast of the island of Mindanao.

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How many active trenches are there in the Philippines?

There are five active fault lines in the country namely the Western Philippine Fault, the Eastern Philippine Fault, the South of Mindanao Fault, Central Philippine Fault and the Marikina/Valley Fault System.

How long is the Manila Trench?

The Manila Trench is an oceanic trench in the Pacific Ocean, located west of the islands of Luzon and Mindoro in the Philippines. The trench reaches a depth of about 5,400 metres (17,700 ft), in contrast with the average depth of the South China Sea of about 1,500 metres (4,900 ft).

Is the Challenger Deep in the Mariana Trench?

The deepest part of the ocean is called the Challenger Deep and is located beneath the western Pacific Ocean in the southern end of the Mariana Trench, which runs several hundred kilometers southwest of the U.S. territorial island of Guam. Challenger Deep is approximately 36,200 feet deep.

Why is Mariana trench so deep?

Why is the ocean so deep here? The Mariana Trench is located at a convergent plate boundary. Here two converging plates of oceanic lithosphere collide with one another. At this collision point, one of the plates descends into the mantle.

How old is the Philippine Trench?

Information. The Philippine trench is hypothesized to be younger than 8–9 million years ago. The central part of the Philippine fault formed during the Plio-Pleistocene times is considered to be an active depression of the Earth’s crust. The trench formed from a collision between the Palawan and Zamboanga plates.

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What is the deepest trench in the world?

The Mariana Trench, in the Pacific Ocean, is the deepest location on Earth. According to the Exclusive Economic Zone (EEZ), the United States has jurisdiction over the trench and its resources. Scientists use a variety of technologies to overcome the challenges of deep-sea exploration and explore the Trench.

What are the three deepest trenches in the world?

Deepest oceanic trenches

Trench Ocean Maximum Depth
Mariana Trench Pacific Ocean 10,984 m (36,037 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)

What is the longest fault line in the Philippines?

Marikina Valley Fault System
Cities West: Marikina, Quezon City, Pasig, Makati, Taguig, Muntinlupa, General Mariano Alvarez, Carmona, Silang, San Pedro, Biñan, Santa Rosa, Cabuyao, Calamba East: Rodriguez, San Mateo
Characteristics
Segments West Valley Fault, East Valley Fault
Length 146 km (91 mi)

What is the big one Philippines?

The “Big One” is a worst-case scenario of a 7.2-magnitude earthquake from the West Valley Fault, a 100-kilometer fault that runs through six cities in Metro Manila and nearby provinces. A tsunami is also foreseen in the scenario set by the Philippine Institute of Volcanology and Seismology (PHIVOLCS).

What islands are the safest from strong tectonic earthquakes in the Philippines?

Palawan is being considered as the safest part in the Philippines when the feared Big One hit. According to an article published by website, Kami, the province is “earthquake proof” as it is said to be the “most stable island” in the country. The article noted that the province stands at 30-kilometer continental rocks.

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Will the Philippines be hit by a tsunami?

The Philippines is vulnerable to tsunami due to the presence of offshore faults and trenches such as Manila Trench, Negros Trench, Sulu Trench, Cotabato Trench, Philippine Trench, and East Luzon Trough. Tsunamis in the Philippines are rare but could be devastating.

When was the last tsunami in Philippines?

Tsunami in the Philippines are extremely rare. The last measurable tsunami in the Philippines affected the northern and the eastern seaboards on 11th March, 2011.

When was the last tsunami in the world?

Recent Tsunamis

Tsunami of January 22, 2017 (Bougainville, P.N.G.) Tsunami of December 17, 2016 (New Britain, P.N.G.)

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