The remains of the famous Titanic ocean liner They can be found at the bottom of the North Atlantic Ocean, at a depth of 3,784 meters. The place is difficult to access and does not receive sunlight. But the wreck is not even half as deep as the Mariana Trench.one of the most remote places on earth, almost unexplored, on the other side, in the Pacific Ocean.

The Mariana Trench, the deepest known trench on Earth, lies mainly to the east and south of the Mariana Islands. It is located in the territory of the US Dependencies of the Northern Mariana Islands and Guamwas declared a United States National Monument in 2009.

It is part of the western Pacific trench system that coincides with subduction zones, points where two adjacent tectonic plates collide, one being forced under the other.

This trench is shaped like a crescent moon and is 2,550 kilometers long and 70 kilometers wide. The greatest depths are reached in Challenger Deep, a smaller, steep-walled valley at the bottom of the main trench in southwestern Guam, details Encyclopedia Britannica.

“You are signing a disclaimer that lists all the ways you could die”: what it’s like to travel aboard the Titan submarine that got lost on the way to the Titanic

Reliable French explorer Paul-Henri Nargeolet ‘will keep everyone (on the Titan submarine) in a stable mindset’

Measuring the greatest depths in the Mariana Trench is an extremely difficult task given the technical challenges of getting instrumentation to such a remote location and then getting accurate readings.

In any case, they are generally around 11,000 meters deep. In comparison, if the highest mountain in the world, Mount Everest at 8,849 meters, were to rest at this point, the top would still be under water for over 2,000 feet.

The first attempt was made in 1875 during the Challenger Expedition (1872-1876), when a bearing of 8,184 meters was obtained near the southern end of the trench. In 1899, Nero Deep (9,660 meters) was discovered southeast of Guam. That borehole was only surpassed when a 30,000-foot hole was found nearby 30 years later.

In 1957, during the International Geophysical Year, the Soviet research vessel Vityaz set a new world depth record of 10,990 meters at Challenger Deep. Later that value was increased to 11,034 meters.

Since then, several measurements of the Challenger Deep have been made, with increasingly sophisticated electronic equipment. Among these stand out the depth of 10,924 meters reported by a Japanese expedition in 1984 and one of 10,994 meters obtained by an American research team in 2011.

In addition, south of Guam and east of Challenger Deep is another deep well, originally named HMRG Deep (for Hawaii Mapping Research Group, the discoverers of the site) and later renamed Sirena Deep. First found in 1997, its depth has been variously reported as 10,641 and 10,809 meters.

The first descent to the bottom of the Mariana Trench took place on January 23, 1960. The Bathyscaphe Trieste, operated by the US Navy. Naval Officer Don Walsh on board made a record dive to 10,916 meters in Challenger Deep.