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Researchers Catch Iceberg Breaking Loud as an Earthquake


Human-made sound in the world’s oceans, such as ship noise or seismic testing, may interfere with marine animals’ ability to use sound effectively for essential navigation and communication. But as Megan McGrath reports, researchers collecting audio recordings in the Antarctic Weddell Sea have discovered that a melting iceberg can be a massive source of natural sound - in this case as loud as a magnitude-4 earthquake.

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