13 reasons for Taylor Swift to celebrate her birthday

A Seattle seismologist found the crowd's dancing mixed with the booming speakers at Lumen Field caused seismic activity on par with a 2.3 magnitude earthquake. Jackie Caplan-Auerbach, a seismologist and geology professor at Western Washington University, discovered the "Swift Quake." In 2011, running back Marshawn Lynch's scored a touchdown causing the "Beast Shake," which compared to a 2.0 magnitude earthquake.