The average depth of the ocean is about 12,100 feet . 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.
What is the deepest sea Not ocean on Earth?
Deepest Oceans and Seas of the World – Worldatlas.com
- Pacific Ocean (35,837 ft) (10,924 meters)
- Atlantic Ocean (30,246 ft) (9,219 meters)
- Indian Ocean (24,460 ft) (7,455 meters)
- Southern Ocean (23,737 ft) (7,236 meters)
- Caribbean Sea (22,788 ft) (6,946 meters)
- Arctic Ocean (18,456 ft) (5,625 meters)
- South China Sea (16,456 ft) (5,016 meters)
Which is the largest and deepest sea in the world?
The Pacific Ocean is the largest and deepest of the world ocean basins. Covering approximately 63 million square miles and containing more than half of the free water on Earth, the Pacific is by far the largest of the world’s ocean basins.
How deep has a human gone in the ocean?
It’s been a record-breaking expedition in more ways than one. Vescovo’s trip to the Challenger Deep, at the southern end of the Pacific Ocean’s Mariana Trench, back in May, was said to be the deepest manned sea dive ever recorded, at 10,927 meters (35,853 feet).
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.
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 is the shallowest ocean?
The Arctic Ocean is the smallest and shallowest of the world’s five major oceans.
Which is the most dangerous ocean?
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 are the 7 Seven Seas?
The Seven Seas include the Arctic, North Atlantic, South Atlantic, North Pacific, South Pacific, Indian, and Southern Oceans. The exact origin of the phrase ‘Seven Seas’ is uncertain, although there are references in ancient literature that date back thousands of years.
Which country has the largest sea in the world?
List
| Country | The World Factbook | |
|---|---|---|
| Rank | km | |
| World | — | 356,000 |
| Canada | 1 | 202,080 |
| Norway | 2 | 83,281 |
How deep can a human dive before being crushed?
How Deep Can a Human Dive Before Being Crushed? There is no fixed depth where we can say for sure that a diver will be crushed once they cross a certain depth. Most recreational divers don’t generally go beyond 130 feet, but commercial divers manage to reach depths of 2,000 feet with the help of atmospheric suits.
At what depth will water crush you?
Human beings can withstand 3 to 4 atmospheres of pressure, or 43.5 to 58 psi. Water weighs 64 pounds per cubic foot, or one atmosphere per 33 feet of depth, and presses in from all sides. The ocean’s pressure can indeed crush you.
How far can a human go underground?
Humans have drilled over 12 kilometers (7.67 miles) in the Sakhalin-I. In terms of depth below the surface, the Kola Superdeep Borehole SG-3 retains the world record at 12,262 metres (40,230 ft) in 1989 and still is the deepest artificial point on Earth.
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.
Do sharks live 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. “There’s no food for it down there, and no other shark species are known to thrive that deep.
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).