Swifties caused seismic activity during Taylor Swift’s Los Angeles show: New research

USA TODAY - For more and to sign up click here Christine Samra (KTLA) — It turns out Swifties really do know how to “Shake It Off.” In July, a Western Washington University geology professor and seismologist found the singer’s shows in Seattle were on par with a 2.3 magnitude earthquake. At the time, it wasn’t clear if the fans or the sound systems caused the seismic activity. It was not, however, the last time…