00:00A sleeping giant sits just 59 miles from Seattle, and the USGS is watching it closely.
00:06Mount Rainier, the most glaciated peak in the contiguous United States,
00:11is classified by federal scientists as one of the highest threat volcanoes in the country.
00:16Its massive ice cap sits over a volcanic system that has produced catastrophic lahars,
00:22rivers of volcanic mud, capable of burying entire communities in minutes.
00:28USGS Cascade Volcano Observatory scientists maintain continuous seismic monitoring across Washington,
00:35and organ volcanoes including Mount Rainier, Mount Hood, and Mount St. Helens.
00:41Geologists note that while no eruption is imminent, these systems are geologically active.
00:46The 1980 Mount St. Helens eruption gave only weeks of warning before one of the largest eruptions in U.S.
00:53history.
00:53Pacific Northwest residents living near Cascade Range volcanoes are urged to know their lahar zone and evacuation route.
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