Large Blue Hole

The Grand Blue Hole is a great underwater fault off the coast of the Belize.

It is located close to the center of Lighthouse Reef, a small atoll with 80  km of the continent and Belize City. The hole is almost perfectly circular, of a diameter of more than 300  m and of 120  m of depth.

During its formation, for the last glacial period when the levels of sea were much lower, it was a calcareous cave. When the level of the ocean rose, the caves were flooded, and the roof crumbled.

Discovered

This site was made famous for Jacques-Yves Cousteau which declared it like one of the ten principal sites of diving in the world. In 1971, it came there with its boat, the Calypso, to draw up a chart its depths there.


External bond

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