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See media help. 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 ...
Pages in category "Unidentified sounds". The following 10 pages are in this category, out of 10 total. This list may not reflect recent changes. List of unexplained sounds.
The Hum is a name often given to widespread reports of a persistent and invasive low-frequency humming, rumbling, or droning noise audible to many but not all people. Hums have been reported all over the world, including the United States, the United Kingdom, Australia and Canada. [1][2] They are sometimes named according to the locality where ...
v. t. e. Within ghost hunting and parapsychology, electronic voice phenomena (EVP) are sounds found on electronic recordings that are interpreted as spirit voices. Parapsychologist Konstantīns Raudive, who popularized the idea in the 1970s, described EVP as typically brief, usually the length of a word or short phrase.
Skyquake. A skyquake is a phenomenon where a loud banging sound is reported to originate from the sky. The sound may cause noticeable vibration in the ceiling or across a particular room. Those who experience skyquakes typically do not have a clear explanation for what caused them and they are perceived as mysterious.
List of reported UFO sightings. Most commonly reported shapes in UFO sightings gathered by the National UFO Reporting Center Online Database (NUFORC) [1] This is a list of notable reported sightings of unidentified flying objects (UFOs) and related claims of close encounters or abductions. UFOs are generally considered to include any perceived ...
A number of them have 'explained, or plausible-to-non-experts' generic origins (an iceberg calving, underwater earthquakes and landslides' etc) - it is 'the proximate and specific event' that is unknown or unexplained. 80.254.147.68 ( talk) 17:14, 19 June 2014 (UTC) Reply[ reply] As you can see from the categories at the bottom of this Talk ...
Upload file; Search. Search. Donate; Appearance. ... Unidentified sounds (10 ... Pages in category "Unexplained phenomena" The following 34 pages are in this ...