Seahawks' 70,000 Fans' Roar Against the 49ers Matches the Legendary "Beast Quake" — NFL Calls This the Most Explosive Moment in League History

January 21, 2026 | NFC Divisional Round Playoff - Seahawks vs. 49ers

Seattle, Washington – Lumen Field was alive with an intensity not seen since the legendary Beast Quake in 2011. This time, it wasn’t Marshawn Lynch’s 67-yard touchdown that sent shockwaves through the stadium, but a collective roar from over 70,000 Seahawks fans that shook the very foundation of the building during the 2026 NFC Divisional Round against the San Francisco 49ers.

It all started just 13 seconds into the game when Rashid Shaheed returned a 95-yard kickoff for a touchdown. As the ball crossed the goal line, the eruption of sound from the 12s was immediate and deafening. The roar lasted for nearly 13 seconds, reverberating throughout the stadium and even registering on seismometers set up by the Pacific Northwest Seismic Network (PNSN). Fans quickly dubbed it "Speed Quake" or "Shaheed Quake" in homage to the Beast Quake.

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— Smart True (@SmartTrue197118) January 21, 2026

The comparison to Beast Quake is not just for show. In 2011, Lynch’s famous run against the Saints caused seismic activity equivalent to a magnitude 3.2 earthquake, measured 20 miles away. Now, nearly 15 years later, the Seahawks faithful proved that their energy could still produce the same level of excitement. The PNSN confirmed that the magnitude of this latest seismic event was comparable to the original Beast Quake, though not caused by an actual earthquake, but rather the overwhelming physical energy of the 12s jumping and cheering.

Harold Tobin, director of the PNSN, stated, “This is the vibration of the entire structure and the ground itself, caused by the sheer excitement of the crowd. It’s not just noise, but a force.”

Seahawks fans, known for their passionate support, certainly lived up to their reputation. As one fan put it, “It felt like the whole stadium was shaking. That roar wasn’t just loud – it was pure power and belief.”

This electrifying moment served as a reminder that in Lumen Field, the energy of the 12s is more than just a backdrop to the game; it’s an integral part of the Seahawks' home-field advantage. The roar that followed Shaheed’s touchdown not only marked an unforgettable moment in the game, but it also reaffirmed the legacy of the loudest stadium in the NFL.