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[3] The second deepest is the Dragon Hole, or Longdong, in the South China Sea at 300.89 metres (987 ft) deep, [4] while the third deepest blue hole in the world is Dean's Blue Hole at 202 metres (663 ft) , located in a bay west of Clarence Town on Long Island, Bahamas. Other blue holes are about half that depth at around 100–120 metres (330 ...
Lighthouse Reef as seen from space. The Great Blue Hole is near the center of the photograph. The Great Blue Hole is a large marine sinkhole off the coast of Belize. It lies near the center of Lighthouse Reef, a small atoll 70 km (43 mi) from the mainland and Belize City. The hole is circular in shape, 318 m (1,043 ft) across and 124 m (407 ...
The Great Blue Hole, a giant submarine sinkhole, near Ambergris Caye, Belize. The following is a list of sinkholes, blue holes, dolines, crown holes, cenotes, and pit caves. A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer.
Indeed, while TBJH was initially discovered in 2021, scientists only measured its depth down to 900 feet due to limitations in the echo-sounder technology — which calculates speed based on sound ...
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The Blue Hole is a massive sinkhole in the Caribbean Sea off the coast of Belize. Belize's 'Blue Hole' can help crack the mystery of ancient Maya Skip to main content
The drilling of the fourth hole was stopped in April 1992 at 11,882 metres (38,983 ft) of depth. Drilling of the fifth hole started in April 1994 from 8,278 metres (27,159 ft) of depth of the third hole. Drilling was stopped in August 1994 at 8,578 metres (28,143 ft) of depth due to lack of funds, and the well itself was mothballed. [7] [12]
Dragon Hole, also known as Yongle Blue Hole (Traditional chinese:永樂藍洞) after the third Ming emperor, Yongle, was the deepest known blue hole in the world at 300.89 metres (987.2 ft) deep [1] until it was discovered that the Taam Ja' surpassed it in 2024. [2]