A species of sea cucumber known as the Spanish Dancer may be found at a depth of 2,789 meters (9,150 feet) close to the Davidson Seamount, which is located off the coast of California. That brings us to a total of 2.74 kilometers (1.7 miles) About 3,688 meters is considered to be the standard depth of the ocean (12,100 feet).
The part of the ocean that is the deepest is known as the Challenger Deep, and it can be found beneath the western Pacific Ocean at the southern end of the Mariana Trench. The Mariana Trench can be found several hundred kilometers to the southwest of the island territory of Guam in the United States.
Challenger Deep is roughly 10,935 meters (35,876 ft) deep . The HMS Challenger, the British warship whose crew in 1875 first sounded the depths of the trench, is the inspiration for the trench’s name.
- 1 How deepest is the ocean?
- 2 How far can humans go in the ocean?
How deepest is the ocean?
The typical depth of the ocean is 3,682 meters, which is equivalent to a depth of 12,080 feet. Remotely controlled vehicle Deep Discoverer explores an interesting geological formation during the final dive of the Windows to the Deep 2018 expedition. Image courtesy of NOAA Office of Ocean Exploration and Research.
Download the image (it’s a jpeg and it’s 36 KB). In general, the ocean is rather deep; yet, its bottom is not level or uniform, which results in variations in the water depths that may be found across the ocean. The Mariana Trench in the Pacific Ocean’s Challenger Deep is home to the world’s deepest point, which measures 10,935 meters (35,876 feet) in depth.
It is also the location of the deepest site on Earth. If you do a search on the internet to learn the depth of the ocean, you could get a variety of results. This is because the ocean is a large body of water that is difficult to investigate. The most-recent estimate of the average ocean depth of 3,682 meters (12,080 feet) was derived in 2010 by scientists from NOAA and Woods Hole Oceanographic Institution using satellite observations.
- The results of these measurements indicated that the seafloor is far more undulating and rugged than was previously thought, which led to an average ocean depth that is shallower than was previously anticipated.
- Although measurements taken by satellites have provided us with more accurate estimates of the depth of the ocean than in the past, these satellites do not actually measure the seafloor itself; rather, they look at the surface of the water and detect changes over features such as mountains that are located on the seafloor.
So the picture of the seabed scientists obtain is far from flawless and is not a very good resolution. In order to fine tune the satellite data, we will need to do seabed mapping at a high resolution, such that which was done aboard the NOAA Ship Okeanos Explorer.
Historically Significant Journeys to the Deepest Point on Earth – After Piccard and Walsh’s historic dive to the bottom of the Challenger Deep, a number of additional notable trips have taken place, including the following: 2012 saw the completion of the first solo voyage to the bottom of the Challenger Deep by director James Cameron, best known for his films Titanic and Avatar.
- Cameron traveled to the bottom of the Challenger Deep in his vessel, the Deepsea Challenger.2019 marks the year when Victor Vescovo broke the record for the deepest dive in DSV Limiting Factor by reaching a deeper area of Challenger Deep at a depth of 35,853 feet.
- His dive was a component of the Five Deeps Expedition, which aimed to reach the deepest point in each of the world’s oceans.
In the year 2020, Kathryn Sullivan, a former NASA astronaut, made history by being the first woman to reach the lowest point in the ocean. She also became the first person in history to journey both to space and to the Challenger Deep.
What is the deepest water in the world?
Mount Everest has been scaled by thousands of individuals, but just a few of people have set foot on the moon. But what about going all the way down to the ocean floor? Only three persons in the history of the world have ever accomplished it, and one of them was a submariner in the United States Navy.
- The Marianas Trench, usually referred to simply as the Mariana Trench, is located in the Pacific Ocean, about in the middle of the gap between Guam and the Philippines.
- It is known as the Challenger Deep, and its bottom is located at a depth of 35,814 feet below sea level.
- This makes it the deepest point ever discovered on Earth.
Consider the Titanic, which was discovered 12,600 feet below the surface of the Atlantic Ocean, which is equivalent to roughly 2.4 miles deep. This should help put what we’re talking about into perspective. The Challenger Deep is approximately two-and-a-half times as deep as that.
How far can humans go in the ocean?
The Answers to Some of the Most Common Questions Regarding Freediving – What is the record for the deepest free dive ever performed? William Trubridge, a New Zealander who is 30 years old, is the first man to dive 396 feet meters (121 meters) without the help of any other divers.
The dive was a constant weight apnea without fins, which means that the diver was not permitted to drop any weights throughout the dive, nor was he permitted to use any swimming aids. A guideline is adhered to, yet it cannot be changed in any way. The duration of the descent was exactly four minutes and ten seconds.
How long is the human body capable of functioning without air? Although everyone and every circumstance is unique, the average human body can survive without oxygen for up to three minutes. After five to ten minutes of not breathing, you have a high risk of developing major brain damage, some of which may be permanent.
- However, free divers who engage in consistent training are able to extend the length of their dives significantly by learning how to minimize the effects of their metabolic processes and maximize the amount of oxygen they take in.
- In the absence of oxygen, what is the deepest dive possible? Herbert Nitsch now holds the record for the deepest depth that a single breath can take a person to, which is 702 feet (213.9 meters).
This record was achieved in 2007. He also holds the record for the deepest dive without the use of oxygen, having descended to a depth of 831 feet (253.2 meters), however he suffered a brain damage when he was ascending from that depth. How long does the typical person have before they need to breathe again? The majority of people, even those who have never done it before, are able to hold their breath for around thirty seconds before they begin to pant for air.
Free divers, on the other hand, are able to swim without the assistance of snorkels or scuba gear and can hold their breath for longer than ten minutes at a time. What is the record for the greatest amount of time that someone has been able to stay underwater without taking a breath? Stephane Mifsud of France now holds the title of holder of the men’s world record with a time of 11 minutes and 35 seconds.
Natalia Molchanova of Russia has a static breath hold record of slightly over nine minutes, which makes her the current holder of the women’s world record.
How much of the ocean is unexplored?
More than eighty percent of the world’s oceans have never been charted, observed, or explored. – Exploring the secrets of the deep continues to yield a significant amount of information. The National Oceanic and Atmospheric Administration (NOAA) is working to increase our understanding of the ocean realm by, among other things, mapping and describing the physical, biological, geological, chemical, and archaeological aspects of the ocean, as well as understanding ocean dynamics, developing new technologies, and unlocking other secrets of the ocean.
- The ocean is the driving force behind the weather, the primary regulator of temperature, and the source of life on Earth.
- It covers more than 70 percent of the surface of the globe and provides sustenance to all living things.
- The ocean has been an essential source of nourishment, transportation, trade, expansion, and inspiration throughout the course of human history.
Despite the fact that we depend so heavily on the ocean, more than 80% of its vast, undersea world has not been mapped, seen, or investigated. Researchers have been relying on technology such as sonar for quite some time now in order to build maps of the bottom.
This is due to the high degree of difficulty and cost involved in exploring our ocean utilizing underwater vehicles. Less than 10 percent of the world’s ocean has been surveyed using the most up-to-date sonar technology as of right now. Only around 35 percent of the United States’ ocean and coastal waters have been mapped using contemporary techniques.
This includes both open sea and coastal waters. The Office of Ocean Exploration and Research of the National Oceanic and Atmospheric Administration (NOAA) is leading the charge to explore the ocean by providing financial assistance to expeditions that examine and document the ocean’s uncharted and understudied parts.
- These trips are guided by scientists who are also explorers, and they use the most cutting-edge equipment available.
- In the meanwhile, the Office of Coast Survey of the NOAA conducts hydrographic surveys and generates nautical charts as part of its investigation of the ocean in a different method.
- Since the middle of the 1830s, the United States Coast Survey, an institution that was a precursor to NOAA, has been responsible for producing nautical charts for the nation.
Even in modern times, the Coast Survey is the organization that is in charge of producing and maintaining all charts for the waterways around the coast of the United States, including the Great Lakes and the waters that surround American territory.
Why are oceans so deep?
This Incredible Animation Shows How Deep The Ocean Really Is
How far below does the ocean go? – The depth of the ocean is around 3.7 kilometers on average (or 2.3 miles). In 2010, a computation based on data gathered from satellites estimated that the average depth to be 3,682 meters (12,080 feet). This is simply an estimate, however, because at the time only approximately 10% of the seabed of the Earth had been mapped in high resolution.
- The depth of the ocean is measured in zones that are as follows: littoral, bathyal, abysmal, and hadal.
- The hadal zone is defined as the area of the ocean that is deeper than six kilometers in any direction.
- At about 11 kilometers, Challenger Deep in the Mariana Trench is the deepest point in the ocean that has been discovered up to this moment.
This makes it deeper than Mount Everest is tall. In the western part of the Pacific Ocean is where you’ll find the trench. Subduction is the process that results in the Mariana Trench and other oceanic trenches having such great depths. Subduction occurs when one of two tectonic plates that are converging pushes down the other into the Earth’s mantle, resulting in the formation of a deep depression.
How deep is 6.5 miles in the ocean?
It is believed that the Challenger Deep, which has a depth of 6.9 miles (11,033 meters), is located within the Mariana Trench. The Challenger Deep has been given the name “the deepest known location in the ocean.” The National Oceanic and Atmospheric Administration (NOAA) was able to determine, with the use of sound pulses, how deep the Mariana Trench goes below the surface of the ocean.
- The Mariana Trench, which can be found in the western Pacific Ocean and is very close to Guam, is governed by the United States and was designated as a Marine National Monument in the year 2009.
- Following a number of investigations, one of which was carried out in 2012 by film director James Cameron (Titanic, Avatar), we have been able to determine the presence of a diverse array of active life in the ocean’s depths.
In the Mariana Trench, there have been sightings of jellyfish, sea cucumbers, amphipods, sea cucumbers, flatfish, and even huge shrimp and snailfish. A “black smoker” submarine vent.2016 Office of Ocean Exploration and Research, National Oceanic and Atmospheric Administration Investigation of the Mariana Trenches at a Deeper Depth It may seem like all the components for doom and gloom are there when you consider the subzero temperatures, total darkness, and tremendous pressure; nonetheless, expeditions and research boats prove that societies may thrive in the deep ocean.
The submarine travels through the Mariana Trench and makes it to the bottom of the Challenger Deep. (Credit for the image goes to Atlantic Productions, which works with Discovery Channel) The record for the deepest dive ever was set by explorer and businessman Victor Vescovo, who dived 35,853 feet (10,927 meters) into the Pacific Ocean.
- At the absolute bottom, he discovered vibrant rock formations, strange animals, and the ubiquitous signature of humankind: plastic.
- Challenger Deep, which is located at the southernmost tip of the Mariana Trench, is the deepest place on the world.
- To this day, only two persons have been able to successfully reach the bottom of Challenger Deep.
In the year 1960, oceanographer Don Walsh was the first person to successfully make it down to the trench, reaching an altitude of approximately 35,814 feet (10,916 m). He traveled on the expedition alongside Jacques Piccard, who is a Swiss oceanographer and engineer.
- James Cameron, a Canadian adventurer and filmmaker (writer and director of films such as “Avatar” and “Titanic”), conducted the first solo dive more than 50 years later and reached a depth of 35,787 ft (10,908 m).
- During the most recent dive, Walsh went down with a team aboard the ship, while Vescovo went down by himself in a submersible known as the DSV Limiting Factor.
The record-breaking depth was a flat, beige basin that was coated with a thick coating of silt. It took between 3.5 and 4 hours to reach this level. The DSV Limiting Factor submersible is put into operation by the crew. (Tamara Stubbs is to be credited with the image) He spent a lot of time inside the pressurized submersible that was built to resist tremendous pressures so that he could observe and film the strange, dark, and quiet alien planet.
He told Live Science that the temperature was cool, the place was silent, and that “it was so incredibly calm.” “Even though I was hemmed in by an incredible amount of stress, I was shielded from it by the technological bubble that encased me.” At that level of depth, the pressure is around 16,000 pounds per square inch, which is greater by more than a factor of a thousand compared to the pressure at sea level.
Following Vescovo’s dive, other members of the crew made a total of four further dives to the trench over the course of the next several days. In the depths, during those five dives, they observed red and yellow stony outcrops that may be chemical deposits or bacterial mats.
- Bacterial mats are formed by chemosynthetic microorganisms, which means that they are able to transform carbon-containing compounds into organic matter.
- In addition to that, they saw a wide range of animals.
- Vescovo described the sight as having “some little, transparent creatures” that were quietly moving about.
They witnessed arrowtooth eels at an altitude of 9,843 feet (3,000 meters), as well as a wriggly small spoon worm (Echuria), at an altitude of 22,966 feet (7,000 m). They found Mariana snailfish and supergiant amphipods (Alicella species) at an altitude of 26,247 feet (8,000 meters), which are organisms that are approximately 20 times larger than regular amphipods.
- In addition to this, the group discovered what they believe to be four new species of amphipods.
- Amphipods are shellless crustaceans.
- They discovered one at a depth of 8,530 feet (2,600 m), another at a depth of 14,600 feet (4,450 m), and two at the deepest point they were able to reach.
- They were accompanied by several translucent bottom-dwelling sea cucumbers known as Holothurians as well as an amphipod known as the Hirondellia gigas when they reached the lowest point.
Because it was discovered during earlier expeditions that these amphipods carry microplastics in their stomachs, the crew gathered samples in order to determine how much was present. Vescovo found a plastic bag and some candy wrappers as he was sitting there in the lowest point on the earth.
- Within the Mariana Trench, a robotic lander takes images of anthropods as well as the submersible.
- (Credit for the image goes to Atlantic Productions, which works with Discovery Channel) After traversing the bottom of the Challenger Deep for many hours and capturing video evidence of a variety of animals, geological structures, and man-made artifacts, Vescovo paused for a while.
“Honestly, toward the end of the mission, I simply turned off the thrusters, leaned back in the cockpit, and enjoyed a tuna fish sandwich while I very slowly drifted just above the bottom of the deepest place on Earth,” Vescovo said. He also expressed his appreciation for what the team had accomplished technically.
“At that time in my life, I was experiencing a state of great joy and serenity.” On board the DSSV Pressure Drop are the crew members Don Walsh (left) and Victor Vescovo (right). (ReeveJolliffe is should be credited for the image) As part of the Five Deeps Expedition, which seeks to reach the bottom of every ocean on the earth, the explorer traveled to the lowest points of the Atlantic, Southern, and Indian oceans in the months preceding up to this trip.
During the trip, filming is taking place for the documentary series “Deep Planet,” which is scheduled to premiere on the Discovery Channel later this year. After making its way back up from the depths of the Mariana Trench, the submersible was brought aboard the ship known as the DSSV Pressure Drop.
- Creatures from the Dark Depths Captured in Photographs
- Photographs of Cameron’s Dive to the Deepest Spot on Earth
- Photos document the discovery of a city of octopuses by a deep-sea expedition.
This article was first published on Live Science. Yasemin is a member of Live Science’s staff writing team, where she writes on health, neurology, and biology. Her research has been published in such prestigious journals as Scientific American and Science, in addition to the San Jose Mercury News.