Whistle (sound)

from Wikipedia, the free encyclopedia
Spectrogram of the sound "Whistle"
Whistle at 16x speed (image from NOAA)

As Whistle ( Engl. : Whistle ) is called a noise which on 7 July 1997 at 7:30 am GMT by a single hydrophone in the Pacific Ocean has been registered and recorded. The location of the hydrophone is 8 ° N, 110 ° W . The location of the sound is unknown and no other hydrophone registered it. Its frequency range was between 1 and 6 Hz .

The National Oceanic and Atmospheric Administration suspects a submarine eruption as the cause of the noise .

Individual evidence

  1. ↑ PMEL Acoustics Program: Submarine Volcanic Eruption (Whistle) , accessed September 10, 2013