Blue Hole

The title of this article is ambiguous. See Blue Hole (disambiguation) for additional meanings .

This article or the following section is not adequately provided with supporting documents ( e.g. individual evidence ). Information without sufficient evidence could be removed soon. Please help Wikipedia by researching the information and including good evidence.

Spiegel-TV (!!!) is completely inadequate as the only source in an article on a more geomorphological than oceanographic phenomenon. - Gretarsson ( discussion ) 10:31 pm , Oct 6, 2018 (CEST)

Dean's Blue Hole , 2011

Play media file

Video about the creation of Blue Holes

Oceanographically , Blue Hole ( English for 'blue hole') refers to an opening (hole, sinkhole ) in the roof of a coastal reef .

Openings in coastal reefs

The well-known blue holes include:

• the Blue Hole in Egypt, a popular dive site in the Red Sea
• the Great Blue Hole off the coast of Belize in the Caribbean Sea
• Ghar iż-Żerqa , the Blue Hole near San Lawrenz on Gozo ( Malta )
• Dean's Blue Hole off Long Island , Bahamas
• the Blue Hole near the Paracel Islands in the South China Sea , discovered in July 2016 according to a report by Chinese state television, according to measurements the deepest blue hole currently known to be 300 m deep

Individual evidence

1. ↑ Record hole in the South China Sea: 300 meters deep "Blue Hole" discovered . In: Spiegel TV , July 27, 2016, accessed on August 11, 2017.