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The Bloop

Smaller Territories (Chile) / Osterinsel / Hangaroa /
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The Bloop is the name given to an ultra-low Frequency underwater sound detected by the U.S. National Oceanic and Atmosphericn Administration several times during the summer of 1997.
See also Wikimapia entry "Vicinity of "Slow Down" for a similar unexplained phenomenon.
Wikipedia link has sound file.
Nearby cities:
Coordinates:   50°0'0"S   99°59'59"W
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This article was last modified 17 years ago