Seahawks fans, collectively known as “the 12th man,” have a well-known reputation for generating noise and shaking in the stadium during games. Perhaps the best-known example occurred on Jan. 8, 2011, during a 67-yard touchdown run by the Seahawks Marshawn Lynch that helped Seattle defeat New Orleans in an NFC Wild Card game. Scientists hope to record similar shaking during Saturday’s game to better understand how the stadium responds to the activity, and to measure the energy transmitted to the ground within the stadium and within the surrounding neighborhood. “Because the fault ruptures that generate earthquake waves are almost always buried by miles of rocks, scientists aren’t sure about the action at the source that results in seismic shaking. In a way, the Seahawks’ 12th man provides us an opportunity to get inside the source that’s generating seismic waves,” said seismic network operations manager Paul Bodin, a UW research associate professor of Earth and space sciences."
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