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Upsweep is an unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays. This sound was present when the Pacific Marine Environmental Laboratory began recording its sound surveillance system, SOSUS, in August 1991. It consists of a long train of narrow-band upsweeping sounds of several seconds in duration each.
Pages in category "Unidentified sounds" The following 11 pages are in this category, out of 11 total. This list may not reflect recent changes. ...
Unidentified sounds (11 P) U. Unidentified flying objects (5 C, 7 P) W. Anomalous weather (19 P) Pages in category "Unexplained phenomena" The following 35 pages are ...
Moneymaker said the October 2023 incident was deemed credible after ruling that species known in the area would not have been able to emit the “strange unidentified sound” that was reported.
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Upsweep is an unidentified sound detected by the U.S. National Oceanic and Atmospheric Administration's (NOAA) equatorial autonomous hydrophone arrays. The sound was recorded in August, 1991, using the Pacific Marine Environmental Laboratory's underwater sound surveillance system, SOSUS .
Two Lebanon County Game Wardens found the girl's remains on Oct. 10, 1973, in a wooded area in Lebanon County, according to PSP Tips, part of the Pennsylvania State Police Department.
[10] Wolman reported in his article the following: Fox's hunch is that the sound nicknamed Bloop is the most likely (out of the other recorded unidentified sounds) to come from some sort of animal, because its signature is a rapid variation in frequency similar to that of sounds known to be made by marine beasts.