The most destructive volcanic eruption in United States history happened less than half a century ago in Washington state. On May 18, 1980, the north side of Mount St. Helens, in southwestern ...

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 ...

MOUNT ADAMS, Wash. (KPTV/Gray News) – Scientists are installing new monitoring equipment around Mount Adams amid a spike in seismic activity under the volcano. Mount Adams, located in Washington state ...

Tourists scrambled to get away from a volcanic eruption in Italy on June 2. Mount Etna, located on the eastern coast of Sicily and one of Europe's most active volcanoes, sent an ash cloud into the air ...