The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as ...

Scientists are on high alert after a series of earthquakes struck Mount Adams, the largest active volcano in Washington state. The volcano, known for its potential to trigger landslides and ...

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 ...

Volcano Scientists Gathering in Washington State The International Volcano Observatory Best Practices workshop is taking place in the United States for the first time this week in Vancouver, Wash ...

Tucked deep inside its namesake 566,000-acre wilderness a scant 70 miles northeast of Seattle, Glacier Peak is the state’s hidden volcano. At a modest 10,541 feet, its summit doesn’t tower ...

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 ...