Why do scientists want to know what an earthquake sounds like? | National Geographic

Eventually, the Pacific Northwest will be hit by a major earthquake as tectonic plates buckle under the Cascadia Subduction Zone. Dr. Chris Goldfinger, a professor of marine geology and geophysics at Oregon State University, discusses what major cities in the Pacific Northwest can do to prepare for an earthquake considered more an eventuality than a possibility. http://nbcnews.to/2sUK21c | NBC News Science

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