What's Inside The Great Blue Hole?

Hi, it’s Katrina! From the most famous diving spot in the world, to the most dangerous, here are 10 of the world’s most fascinating blue holes and what’s inside.

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10. Clues to Life in Alien Oceans
This might not be the first thing when you think of blue holes, but National Geographic has reported that cave-diving scientists have discovered hot spots of microbial life deep inside three blue holes in the Bahamas. These new microbes, well, new to us, feed on sulfur compounds such as hydrogen sulfide that are toxic to other life forms.

9. The Great Blue Hole Of Belize
A blue hole is an underwater sinkhole that appears as a dark blue circle and is typically formed by the erosion of carbonate rocks.
The world’s largest underwater sinkhole is located off the coast of Belize. It measures 984 feet (300 meters) across and 410 feet (125 meters) deep.

8. Missing Divers
The H2S layer of the Great Blue Hole of Belize contains the remains of hermit crabs and conch shells who fell in and basically suffocated to death. It also bears the hallmarks of divers who’d tried escaping, along with a Go-Pro with memory card in-tact, and an array of scientific equipment.

7. The Blue Holes Of The Bahamas
There are over 200 underwater sinkholes in and near the Bahamian island of Andros -- more than anywhere else in the world. 175 of them are located inland and another 50 are situated in the shallow waters offshore.

6. New Jersey’s Blue Hole
The Pine Barrens of Winslow, New Jersey are home to numerous small, icy-blue pools of water known simply as the “Blue Holes.” These formations are rumored to be the pit-stops of the legendary Jersey Devil. Locals caution their children against swimming in the holes, despite how inviting they may seem

5. Dean’s Blue Hole
The world's second deepest hole, is called Dean’s Blue Hole and is located in a bay west of Long Island in the Bahamas. Dean’s Blue Hole is 663 feet (202 meters) deep, making it nearly twice as deep as the average sinkhole, which has a maximum depth of 360 feet (109.7 meters).

4. Blue Hole Of Dahab
The blue hole of Dahab is located in the Red Sea, along the Egyptian coast. At 393.7 feet (120 meters) deep, it’s possibly the world’s deepest blue hole but you know, jury is still out. It’s known for its stunning natural beauty, which is most visible at a depth of 184 feet (56 meters), where an opening to the Red Sea becomes visible.

3. The Azure Window And Blue Hole Of Gozo
On the Maltese island of Gozo, there’s a 328-foot-high (100 meters) rock formation known as the Azure Window. Beneath it, there’s a collapsed underwater limestone cave featuring a diverse array of marine life, including all kinds of fish, fireworms, lobster, seahorses, and octopuses.

2. Santa Rosa Blue Hole
The Santa Rosa Blue Hole is a natural swimming hole located in New Mexico along the historic Route 66. It sits at a near-constant temperature of 62 degrees Fahrenheit (16.7 Celsius) and has a surface diameter of 80 feet (24 meters), which expands to 130 feet (40 meters) at the bottom.

1. Dragon Hole
The South China Sea is home to a legendary blue hole called “the eye” of the sea. Local fisherman say it is where the Monkey King found his golden cudgel in the 16th century novel “Journey to the West”. FYI a cudgel is a short, thick stick used as a weapon.

#mysterious #nature #originsexplained #katrina