VolcanoModerate Smithsonian Magazine Science · Jul 21, 2026

A Massive Flow of Rock and Mud Tumbled Down Mount Rainier Centuries Ago. Scientists Pinpointed Its Date to Better Understand the Volcano's Complex Threats

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Why it matters

Dating the Electron Mudflow helps scientists better understand the complex volcanic threats posed by Mount Rainier.

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Story data

Severity30%

Urgency20%

Importance60%

Sentiment: neutral#science#climate

Affected areas

Mount Rainier

Live activity in this area

1.612 km W of Entiat, Washington1 week ago
0.212 km W of Entiat, Washington2 days ago
0.49 km W of Entiat, Washington1 day ago
1.89 km SSW of Ellensburg, Washington1 week ago
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RainierStratovolcano · Dendrochronology
AdamsStratovolcano · Tephrochronology

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