Alaska, Hawaii and areas along the mainland West Coast would be at risk if an earthquake erupts along the Cascadia subduction ...

On May 18, 1980, the United States experienced the deadliest and most destructive volcanic eruption in its history.

Scientists are on high alert after a series of earthquakes struck Mount Adams, the largest active volcano in Washington state ... us a curveball': Largest-ever map of space reveals we might ...

The 45th anniversary of the catastrophic eruption of Mount St. Helens is on May 18. Here's what to know and when the volcano ...

Mount Saint Helens, Mount Adams, Mount Baker, and Glacier Peak are four of the active volcanoes in Washington state. The fifth, located less than 70 miles from Seattle, is Mount Rainier.

Here’s hoping it’s nothing to blow your lid over. A normally quiet “high threat” volcano in Washington state has been rumbling at a record rate — prompting an alert from geologists who ...

Geologists are closely monitoring Washington’s largest volcano (and second tallest mountain), which hasn’t erupted since the Bronze Age. During the month of September, the United States ...

(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, usually ...