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Scientists from the United States Geological Survey are tracking increased seismic activity beneath Mount Rainier in Washington State, recognized as the most hazardous volcano in North America due to its potential impact. Recent findings indicate heightened hydrothermal activity and rising sulfur dioxide emissions projected for 2026. USGS volcanologists caution that although an eruption isn't expected imminently, lahar flows from a future eruption of Rainier could affect Seattle, Tacoma, and regions housing over 80,000 residents within hours. The agency has discreetly enhanced its monitoring measures and encourages local emergency planners throughout western Washington to reassess lahar evacuation strategies promptly.
Transcript
00:00The United States Geological Survey is quietly watching one of the most dangerous volcanoes
00:05in North America. And the latest data is raising concerns. Mount Rainier in Washington state has
00:12shown elevated seismic activity, increased hydrothermal activity, and higher than normal
00:17sulfur dioxide emissions in 2026. Volcanologists are clear that an eruption is not imminent,
00:23but they are also clear about what a future eruption would mean. Lahar flows, fast-moving
00:30rivers of volcanic debris and water, could reach Seattle, Tacoma, and communities home to over 80,000
00:36people within hours. USGS has quietly upgraded monitoring protocols at the volcano and is urging
00:43local emergency planners across western Washington to review evacuation plans now. This is a slow
00:49building threat that most Americans don't know about, and that the science says deserves
00:54serious preparation.
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