The US Geological Survey has observed a series of minor quakes occurring under Mount Rainier, which is the nearest major ...

Government scientists confirmed Mount St. Helens is not erupting despite recent concerns. Commercial pilots reported seeing what they believed to be ash near the volcano. Strong winds are lifting old ...

Scientists are deploying monitors at the volcanic Mount Adams in Washington State, after a spike in seismic activity. The U.S. Geological Survey (USGS) said Mount Adams typically experiences an ...

That came after scientists received reports of a large plume rising above the volcano, which turned out to be volcanic ash from the 1980 Mount St. Helens eruption. “It kind of looks like a brownish ...