- This sound was repeatedly recorded during summer, 1997 on the Equatorial Pacific Ocean. The sound rises rapidly in frequency over about one minute and was of sufficient amplitude to be heard on multiple sensors, at a range of over 5,000 km. The origin of the sound remains unknown http://www.pmel.noaa.gov/vents/acoustics/sounds/bloop.html 122 comments science
- Has anyone figured this out yet? http://www.pmel.noaa.gov/vents/acoustics/sounds/bloop.html 13 comments reddit.com
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