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KUOW - LISTEN: Whale songs reveal map of Earth s crust

A fin whale in the North Pacific Credit: NOAA Fisheries / Paula Olson LISTEN: Whale songs reveal map of Earth s crust Feb 17, 2021 It’s the song of the fin whale. Geologists at Oregon State University were studying earthquakes off the Oregon coast with a network of underwater seismometers, instruments that can detect even slight vibrations in the earth. After leaving the devices on the deep ocean floor for a year, they retrieved them, then noticed tens of thousands of fin whale calls showing up in their recordings. The booming songs can travel hundreds of miles underwater, where fellow whales and even seismometers can detect them.

The Haunting Music of Whale Song Is an Ocean of Untapped Seismic Data, Scientists Say

The Haunting Music of Whale Song Is an Ocean of Untapped Seismic Data, Scientists Say 17 FEBRUARY 2021 The way that the songs of fin whales echo back from the seabed could become a useful tool for scientists studying the sediment and rock that make up Earth s crust, according to new research carried out in the northeast Pacific Ocean.   These songs are some of the strongest and most far-reaching vocalisations in the ocean, and with tens of thousands of fin whales spread out across the world, the calls could help add to existing scans or even fill in gaps where it s more difficult or even dangerous to marine life to use the conventional air gun approach.

Touching Songs of Whale Can Serve as an Ocean of Untapped Seismic Data

Feb 17, 2021 09:39 AM EST According to the new experiment carried out in the Northeast Pacific Ocean, the process by which the songs of Fin whales resound back from the ocean floor could become a useful mechanism for researchers examining the sediment and rock that make up the Earth s crust.  These songs are some of the strongest and most extensive vocalizations in the ocean, and with thousands of fin whales widen across the planet, the songs could adjoin with existing scans or fill in gaps where it s even more dangerous to use conventional air gun approach to marine life. (Photo : Elianne Dipp)

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