List of unexplained sounds

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The following is a list of sounds, the sources of which remain unknown:



The following unidentified sounds were detected by the USA National Oceanic and Atmospheric Administration using its Equatorial Pacific Ocean autonomous hydrophone array.

Formerly unidentified[edit]




See also[edit]


  1. ^ "Tuning in to a deep sea monster". CNN. June 13, 2002. Retrieved 17 September 2011. 
  2. ^ "Acoustics Monitoring Program - Upsweep". Retrieved 2012-06-17. 
  3. ^ "Unidentified Sounds". 2002-06-13. Retrieved 2011-05-08. 
  4. ^ "Acoustics Monitoring Program - Whistle". Retrieved 2012-06-18. 
  5. ^ "Icequakes (Bloop)". Retrieved 2012-11-26. 
  6. ^ "Iceberg Grounding on Seafloor (Julia)". Pacific Marine Environment Laboratory. Retrieved 2012-11-26. 
  7. ^ "Iceberg Grounding on Seafloor (Slow Down)". Pacific Marine Environment Laboratory. Retrieved 2012-11-26. 
  8. ^ "Acoustics Monitoring Program - Train". Pacific Marine Environment Laboratory. Retrieved 2012-11-26. 
  9. ^ Lord Curzon (1923). The Voice of Mnemon - Tales of Travel. 
  10. ^ Rob McCauley, John Bannister, Chris Burton, Curt Jenner, Susan Rennie, Chandra Salgado Kent (October 2004). Western Australian Exercise Area Blue Whale Project, Final Summary Report, Milestone 6 (Report). Australian Defence. Retrieved 2012-06-26. "A signal type widely heard by Navy submariners and known as the bioduck is common in the [Perth] Canyon during late July-Dec [1999-2004]. The seasonal timing of the bioduck is similar to other great whales which migrate up from Antarctic waters."