What created this strange sound, dubbed Bloop, deep within the Pacific Ocean?
This loud and unusual Bloop sound has been captured for the first and last time in 1997 off the southern coast of South America.
The Bloop is an ultra-low frequency and extremely powerful underwater noise which is so loud that it has been recorded 5,000 kilometers away… However its origin reminds enigmatic and unknown.
“The Bloop” was recorded for the first time in 1997 west of the Southern tips of South America (50° S 100° W). It . Its source remains a mystery.
The mysterious underwater sounds were recorded several times by the Equatorial Pacific Ocean, an autonomous array of hydrophones used to catch specific phenomena such as undersea earthquakes, ice cracking, marine mammal population migration, and detection of submarines. Listen to a bloop:
Although the sound has similarities to those vocalized by living organisms, it is louder than any other natural (animals, ice, volcanoes, earthquakes …) or man-made noises (submarine, bomb, …).
Are giant life forms lurking in the unexplored darkness of Earth’s deep oceans? Or is it produced by iceberg calving?
No further Bloops have been heard since 1997, although other loud and unexplained sounds have been recorded. A living mystery!