Mount Rainier's Biggest Earthquake Swarm in 15 Years SHOCKED Scientists!

In this video, we uncover what scientists learned after Mount Rainier experienced its largest earthquake swarm in more than 15 years. From hundreds of earthquakes beneath the volcano and the record-breaking July 2025 seismic swarm to hidden magma systems, glacier-covered slopes, devastating lahar hazards, and the science behind volcanic unrest, researchers are revealing why one of America's most dangerous volcanoes remains under constant watch—even when officials say there is no immediate threat.

This video is for educational and informational purposes only and is based on publicly available scientific data and expert analysis through 2025-2026.

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