Your question: Which is the deepest trench in the world?

In the Pacific Ocean, somewhere between Guam and the Philippines, lies the Marianas Trench, also known as the Mariana Trench. At 35,814 feet below sea level, its bottom is called the Challenger Deep — the deepest point known on Earth.

How deep is the deepest trench on Earth?

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.

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)

Is there deeper than Mariana Trench?

After all, it was only in 1997 that researchers discovered the Sirena Deep, which is also located in the Mariana Trench, which they measured at 35,210 feet, less than a thousand feet shallower than the Challenger Deep.

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Why is the 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.

Is there a bottom to the ocean?

The seabed (also known as the seafloor, sea floor, or ocean floor) is the bottom of the ocean, no matter how deep. All floors of the ocean are known as ‘seabeds’.

What would happen to a human at the bottom of the ocean?

The pressure from the water would push in on the person’s body, causing any space that’s filled with air to collapse. (The air would be compressed.) So, the lungs would collapse. At the same time, the pressure from the water would push water into the mouth, filling the lungs back up again with water instead of air.

What ocean is most dangerous?

The South China Sea and East Indies, eastern Mediterranean, Black Sea, North Sea, and British Isles are the most dangerous seas in the world, with the greatest number of shipping accidents in the last 15 years, according to a report released by the World Wildlife Fund (WWF).

What is the biggest trench?

The Mariana Trench, in the Pacific Ocean, is the deepest location on Earth.

What is the most famous trench?

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.

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Why is the Mariana Trench so dangerous?

Because of its extreme depth, the Mariana Trench is cloaked in perpetual darkness and the temperature is just a few degrees above freezing. The water pressure at the bottom of the trench is a crushing eight tons per square inch—or about a thousand times the standard atmospheric pressure at sea level.

How cold is the Mariana Trench?

At the bottom of the trench, the water column above exerts a pressure of 1,086 bars (15,750 psi), more than 1,071 times the standard atmospheric pressure at sea level. At this pressure, the density of water is increased by 4.96%. The temperature at the bottom is 1 to 4 °C (34 to 39 °F).

Is there a monster in the Mariana Trench?

A second prehistoric monster that may have well lived in the Mariana Trench is this giant marine Mosasaur known as hainosaurus, which scientists think grew up to 12 meters long – about the same length as an average megalodon.

What animals live in Mariana Trench?

At the deepest point of the ocean thrive strange creatures you have never seen before

  • Scientific name: Grimpoteuthis.
  • Comb Jellies.
  • Scientific name: Ctenophora.
  • Benthocodon.
  • Scientific name: Benthocodon hyalinus.
  • Deep Sea HatchetFish.
  • Scientific name: Argyropelecus Gigas.
  • Scientific name: Opisthoproctidae.

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Has a megalodon been found in the Mariana Trench?

According to website Exemplore: “While it may be true that Megalodon lives in the upper part of the water column over the Mariana Trench, it probably has no reason to hide in its depths. … However, scientists have dismissed this idea and state that it is extremely unlikely that the megalodon still lives.

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Who reached Mariana Trench?

The first two people to reach the Challenger Deep, located in the south end of the Mariana Trench about 190 miles southwest of Guam, were Don Walsh and Jacques Picard in 1960.

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