If the Volcanic Eruption Doesn’t Scare You, the Mudflow Should

Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help ...
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America’s most dangerous volcano shakes 1,000 times as 80,000 homes face mudflow threat

Something stirred beneath Mount Rainier this summer, sending over 1,000 earthquakes through the ground in weeks—the largest swarm ever recorded at this towering volcano. Seismometers glowed with ...