The Bloop: A Mysterious And Huge Underwater Sound

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When the Bloop was first reported by the National Oceanic and Atmospheric Administration, the media began to speculate that it was caused by a giant undersea creature. The noise seemed "organic" in nature, and this designation fed into the rumors that the noise signified something much bigger than a blue whale. Fittingly, the location where the Bloop is said to have originated is less than 2,000 km from where H.P. Lovecraft placed his fictional city of R'yleh, where the ancient entity Cthulhu resides.

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Key Facts In This Video

  1. In 1997, the Bloop was picked up by sensors about 2,414 km (1,500 mi) west of the southern Chilean coast. 00:34

  2. If organic in nature, the Bloop would have been caused by an animal much bigger or louder than a blue whale. 00:55

  3. Listen to the sound of an iceberg calving compared with the Bloop: 01:24

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