Seahawks Score Touchdown, and Fans Shake Earthquake Monitors

Seattle Seahawks fans' enthusiastic stomping and cheering at CenturyLink Field during the NFL playoff season is so powerful it can be felt by sensitive earthquake-detection equipment. The Pacific Northwest Seismic Network (PNSN) installed an array of seismometers (equipment that visualizes shaking as waves) at several stations throughout the stadium, in anticipation of the tremors that Seahawks followers have become famous for generating. Preliminary analysis of the Jan. 7 data revealed that the