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Researchers have pick up four gigantic seamounts towering above the seafloor surrounding South America after notice " gravitational anomalies " given off by the massive subaqueous mountains . The tallest rise more than 1.5 international mile ( 2.4 kilometers ) from the seafloor , making it three times grandiloquent than the world ’s tallest edifice .
scientist aboard the Schmidt Ocean Institute ’s Falkor ( too ) research vessel recently detect and mapped the quartet of seamounts in the deep ocean between 286 and 373 miles ( 460 and 600 km ) off the coast of Peru and Chile during an outing through the East Pacific from Costa Rica to Chile .
The tallest of the newly discovered seamounts is more than 8,000 feet tall.
The three Peruvian peaks measured 5,220 feet ( 1,591 meters ) , 5,459 foot ( 1,644 m ) and 6,145 feet ( 1,873 m ) magniloquent severally . But the big seamount , found off Chile , rear 8,796 foot ( 2,681 m ) above the sea ’s bottom , bringing it to within a mile of the control surface . For comparison , the globe ’s tallest building , the Burj Khalifa , is 2,716 substructure ( 828 m ) tall , while the Empire State Building stands at 1,250 feet ( 380 m ) .
The tallest peak also has a surface area of around 175 square geographical mile ( 450 square kilometre ) , which is around the same size as New Orleans .
These elephantine underwater top , which are all out vent , are so massive that they create subtle changes in the height of the ocean ’s aerofoil , and these so - called gravitational anomalies can be detected by satellites . In this case , the ocean ’s surface swelling right above the acme .
The new seamounts were mapped by researchers onbaord the Falkor (too) research vessel.
" try gravity anomalies is a fancy way of saying we search for bumps on a mathematical function , and when we did , we locate these very big seamounts,“John Fulmer , the expedition ’s lead technician , said in a statement emailed to Live Science .
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Last year , the same research squad found another massive seamount that wasaround twice the size of the Burj Khalifa . But there are several bigger subaqueous heap .
Researchers found the new seamounts using gravitational anomalies.
The world ’s largest seamount is technically Hawaii ’s dormant volcano Mauna Kea , according to theWoods Hole Oceanographic Institution . It support at around 13,796 invertebrate foot ( 4,205 m ) above sea grade but lead to the seafloor , according to theU.S. Geological Survey . Its on-key acme is around 33,500 feet ( 10,211 m ) .
Scientists suspect that up to 100,000 seamounts are litter across the universe ’s oceans , accord to the National Oceanic and Atmospheric Administration . However , only a minor fraction of these have been mapped . More than half of these predicted peaks are thought to be in the Pacific Ocean .
The a la mode military expedition is part of a new project , name Seabed 2030 , whichaims to map out the totality of the world ’s seafloor by the end of the current decadeand should reveal the balance of these hidden peaks in all their glory .
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Seamounts are often referred to as " biological hot spot " by marine research worker . The structures provide a backbreaking substrate for firm tool such as red coral and sponge to settle and cause " upwelling " when stream drag food from the deep sea nearer to the open . This attracts larger creatures — including crustaceans , fish , cephalopods and shark — which make seamounts super important marine habitats .
" Locating seamounts almost always moderate us to understudied biodiversity hotspots,“Jyotika Virmani , executive director of the Schmidt Ocean Institute , tell in the statement . " Every fourth dimension we find out these bustling seafloor community , we make incredible unexampled find and throw out our knowledge of life on Earth . "
