CASTLE ROCK, Wash. — The Mount St. Helens Visitor Center in Castle Rock will reopen on May 31. The center just finished its ...

Discover the newly renovated Mount St. Helens Visitor Center, welcoming visitors back for the first time since 1986.

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

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

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

The wildflowers in the photograph appear at the base of the first hedgerow at the trail entrance. In addition, an expanse of ...