“The Great Blue Hole” site was made famous by Jacques-Yves Cousteau, who declared it one of the top ten scuba diving sites in the world. In 1971, he brought his ship, the Calypso, to the hole to chart its depths.
Initial measured depth of Great Blue Hole was 125 m (410 ft) which is the most often cited depth up to this day.
This is a popular spot among recreational scuba divers who are lured by the opportunity to dive in crystal-clear water and meet several species of fish, including giant groupers, nurse sharks, and several types of reef sharks. Usually, dive trips to the Great Blue Hole are full-day trips, which include one dive in the Blue Hole and two further dives in nearby reefs.
The actual name of “The Great Blue Hole” was created by British diver and author Ned Middleton after having lived in the country for 6 months. So impressed with this natural feature, he reasoned in his book “Ten Years Underwater” that if Australia could have ‘The Great Barrier Reef’ then Belize could equally have ‘The Great Blue Hole’ – thus setting this feature apart from similar, albeit lesser in size, structures.
In 2012, Discovery Channel ranked the Great Blue Hole as number one on its list of “The 10 Most Amazing Places on Earth”.
About
The Great Blue Hole is a large submarine 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, over 300 m (984 ft) across and 124 m (407 ft) deep. It was formed during several episodes of quaternary glaciation when sea levels were much lower. Analysis of stalactites found in Great Blue Hole shows that formation took place 153,000, 66,000, 60,000, and 15,000 years ago.[2] As the ocean began to rise again, the caves were flooded. The Great Blue Hole is a part of the larger Belize Barrier Reef Reserve System, a World Heritage Site of the United Nations Educational, Scientific and Cultural Organization (UNESCO).
Source: wikipedia
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