VANCOUVER, Wash. (KPTV/Gray News) - Mount St. Helens, which notoriously erupted in 1980, has been showing signs of increased seismic activity lately, according to the U.S. Geological Survey. It’s ...
Add Yahoo as a preferred source to see more of our stories on Google. Geologists have spotted a heightened period of seismic activity on Mount Saint Helens recently. Is it getting ready to rock? Mount ...
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