Seismic activity at sporting events is nothing new to Seattle fans.

Many of us remember Marshawn Lynch’s 2011 BEAST-QUAKE. Seahawks fans revel in Lumen Field’s reputation for noise when opposing teams are on offense…

Even T-Mobile Park has experienced its fair share of shaking. Earlier this year when the Mariners made it to the playoffs, the Pacific Northwest Seismic Network was on site to measure the bone rattling when the M’s hit home runs.

And this past weekend, they were at the 49ers game with a live stream where fans could keep tabs on how much shaking was going on...

GUEST: Harold Tobin - Director of the Pacific Northwest Seismic Network and WA State Seismologist

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