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Pacific Northwest Seismic Network

2026 Seahawks Playoff Deployment

PNSN installs 6 temporary seismic sensors in Lumen Field to monitor energy from the 12s during the NFL Playoffs
PNSN Team Members pose at Lumen Field during deployment of 6 seismic sensors.

If it feels like Lumen Field is shaking during a Seahawks playoff game… well, it probably is.

The Pacific Northwest Seismic Network (PNSN) is teaming up once again with the Seattle Seahawks and Lumen Field to measure just how much ground motion Seattle’s legendary fan base can generate during the 2026 NFL Playoff Games.

On Monday, January 12, our PNSN Field Operations team installed six seismic sensors throughout Lumen Field. These instruments are designed to record the ground shaking created by tens of thousands of 12s jumping, cheering, and celebrating together. Stations are located on the ground floor tunnel near the 50 yard line, all 4 corners of the 300 level of the stadium, and all the way up at the top of the Hawks Nest.

This Saturday it’s time for the 12s to bring the energy!

Map of Lumen Field showing all 6 HWK stations and station KDK, a longterm permanent station, located just to the west.

“With these six seismometers, we have Lumen Field wired up,” said PNSN Director Harold Tobin of the University of Washington. “We can record exactly how the excitement of the crowd leads to shaking of the ground, much like an earthquake does. We expect the massive crowd of 12s to generate measurable seismic energy. It’s a fun way to show the world just how loud and powerful this fan base really is, while also learning more about seismic waves in the process.”

During the game, PNSN will be streaming real-time seismograms on pnsn.org, showing live records of fan-generated shaking as it happens. We’ll also be sharing highlights and visuals across our social media channels on Facebook, Instagram, X, and Bluesky. If the crowd gets loud, you’ll see it in the data.

This isn’t our first time bringing seismometers into the stadium. PNSN has previously deployed instruments during Seahawks playoff games in 2014, 2015, and 2017, as well as during the unforgettable Beast Quake run by Marshawn Lynch in 2011. These moments have helped us connect people with earthquake science in a memorable, and very Seattle, way.

For live data, visualizations, and behind-the-scenes looks at our Lumen Field deployment, keep an eye on pnsn.org and follow us on social media. Let’s see what kind of seismic waves the 12s can make.