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  Monitoring the global ocean through underwater acoustics
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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.

 

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  tremor spectrogram CoAxial spectrogram EPR spectrogram .
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  Loihi spectrogram Gorda spectrogram   .
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