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Volcanic Seismicity Recorded on Deep Ocean Hydrophones

 
 
Note time and frequency scales are not identical, spectrograms displayed together for a general comparison of images. Click on spectrogram for full-size, scaled image. Click on image "name" for a complete description of the sound.

 

time indicator

  tremor spectrogram CoAxial spectrogram EPR spectrogram
   
 
  Loihi spectrogram Gorda spectrogram