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Volcanic craters act as giant horns that emit intense low-frequency sounds. Changes in this infrasound may be used to track rising lava lakes and identify signals of future eruptions.

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This page is a summary of: Monitoring Volcanic Craters with Infrasound “Music”, Eos, June 2019, American Geophysical Union (AGU),
DOI: 10.1029/2019eo123979.
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