Stay calm. ‘earthquake swarm’ at Mount Rainier is normal
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Mount Rainier is an active stratovolcano 45 miles southeast of Tacoma and 60 miles south-southeast of Seattle. Its last eruption was "a light dusting of ash" in 1894, the USGS said in a report. Large eruptions haven't occurred for more than 1,000 years.
The USGS Cascades Volcano Observatory is in an office park in east Vancouver, off Southeast 15th Street, at 1300 S.E. Cardinal Court, Building 10, Suite 100.
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