​Blue Hole

  • Recently, researchers discovered the world’s deepest known blue hole, the Taam Ja’ Blue Hole (TJBH), located in Chetumal Bay off the Yucatan Peninsula in Mexico.
  • In 2021, the first blue hole was discovered, which was found to be 390 feet (119 m) deeper than the previous record holder- the 990-foot-deep (301 m) Sansha Yongle Blue Hole, also known as Dragon Hole in the South China Sea.
  • Blue holes are water-filled vertical caverns, or sinkholes, found in coastal regions where the bedrock is made of soluble material, such as limestone, marble or gypsum.
  • They are formed when water on the surface percolates through the ....
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