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A Massive Volcanic Catastrophe Could Hit the Pacific Northwest. Experts Are Sounding the Alarm.

created: Feb. 19, 2025, 8:07 p.m. | updated: March 19, 2025, 5:36 p.m.

<p>Dangerous mudflows, known as lahars, could inundate the communities surrounding Mt. Rainier in as little as 30 minutes. </p>

10 months ago: Latest Content - Popular Mechanics