The deepest a fish has ever been spotted was 27,460 feet deep in the Puerto Rico Trench, in between the Caribbean Sea and Atlantic Ocean. Single-celled organisms called foraminifera were discovered in the Challenger Deep, the deepest point in the trench, in 2005. ![]() The pressure in the trench is 8 tons per square inch, but still, life exists, NOAA says. In 2021, he traveled 2.5 miles along the ocean floor and set a record for the longest distance traveled at the deepest part of the ocean by a crewed vessel. Hamish Harding, who died on the Titan submersible traveling to the Titanic wreckage, was one of the handful of people who have explored the Mariana Trench. The Titan debris was found about 1,600 feet from the Titanic wreckage, which sits about 12,500 feet beneath the surface in what is called the "midnight zone" of the ocean. The trench is in the Pacific Ocean, off the coast of Japan, and has been explored before. The deepest part of the world's oceans, the Mariana Trench, is about 36,070 feet, nearly seven miles deep, in the hadal zone, according to NOAA. ![]() There is less food and less life down there, but sometimes dead animals like whales or sharks can sink this deep. The Mediterranean Sea, Caribbean Sea, Red Sea and all the world's oceans reach what's known as the aphotic zone, where the only light is generated by organisms. That's as deep as about nine Empire State Buildings stacked on top of each other. The Titanic wreckage, which is about 12,500 feet deep in the North Atlantic, is in the midnight zone. The Titanic wreckage is about 12,500 feet deep in the North Atlantic - that's as deep as about nine Empire State Buildings stacked on top of each other. Anything deeper than this is the hadal zone. ![]() Within this zone, the "midnight zone" extends to about 13,000 feet and the abyss extends to about 19,685 feet. The Eiffel Tower, which stands at about 1,083 feet tall, and the Burj Khalifa, the world's tallest skyscraper at 2,716.5 feet tall, would become submerged in this zone.Īt about 3,280 feet, you hit the aphotic zone, where no light can reach. The Baltic and Red Seas reach this depth.
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