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

Washington’s Mount Adams has seen some pretty unusual activity as of late, the US Geological Survey (USGS) has announced. Rather than the usual one earthquake every two to three years ...

Among the snow-capped volcanoes of the Pacific Northwest, Mount Adams gets relatively little love. There are more glamorous volcanoes to climb (Mount Rainier) or to ski (Mount Hood) or that have ...