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  2. List of unexplained sounds - Wikipedia

    en.wikipedia.org/wiki/List_of_unexplained_sounds

    The sound appears to be seasonal, generally reaching peaks in spring and autumn, but it is unclear whether this is due to changes in the source or seasonal changes in the propagation environment. The source can be roughly located at 54°S 140°W  /  54°S 140°W  / -54; -140 , between New Zealand and South America

  3. Upsweep - Wikipedia

    en.wikipedia.org/wiki/Upsweep

    A spectrogram of Upsweep. Upsweep is a 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, and is loud enough to be detected throughout the entire Pacific Ocean.

  4. Mysterious sounds emanating from the depths of the ocean ...

    www.aol.com/mysterious-sounds-emanating-depths...

    The bursts of sound resemble quacks, earning the recording the nickname “Bio-Duck.” Speculation about their source was varied. It could be an underwater submarine, or a fish .

  5. Bloop - Wikipedia

    en.wikipedia.org/wiki/Bloop

    The sound's source was roughly triangulated to , a remote point in the South Pacific Ocean west of the southern tip of South AmericaThe sound was detected by the Equatorial Pacific Ocean autonomous hydrophone array, [1] a system of hydrophones primarily used to monitor undersea seismicity, ice noise, and marine mammal population and migration.

  6. The source of the mysterious 'ocean buzzing' may have finally ...

    www.aol.com/news/2016-02-24-the-source-of-the...

    New research from the University of California, San Diego could solve a mystery that scientists have puzzled over for several years.

  7. NASA offers explanation for bizarre 'trumpet noise' phenomena

    www.aol.com/news/2015-05-22-nasa-attempts-to...

    Videos of eerie noises erupting from the skies have recently surfaced on YouTube, sending people into a panic around the world. The video above shows a particularly frightening episode of this ...

  8. Forest Grove Sound - Wikipedia

    en.wikipedia.org/wiki/Forest_Grove_Sound

    The Forest Grove Sound was an unexplained noise, described by The Oregonian as a "mechanical scream", heard in Forest Grove, Oregon in February 2016. External videos News report by KOIN 6

  9. NASA says 'pulsing sound' inside Boeing Starliner has stopped ...

    www.aol.com/news/nasa-astronaut-reports-strange...

    The mysterious sound began emanating from the Starliner about a week before the spacecraft is slated to undock from the space station without its crew and make its autonomous journey back to Earth.