For many people who lived through the 1980 eruption of Mount Saint Helens, it is the biggest news story of their lifetimes.

The first event is Wednesday with Alysa Adams, lead interpretive specialist of the Mount St. Helens Visitor Center.

The 2,700-acre lake now sits at the center of a restricted research area taking up roughly a quarter of the 110,000-acre Mount St. Helens National Volcanic Monument, which Congress set aside in ...

After nearly two years, the camera at the site of the 1980 Mount St. Helens eruption is back online.

Mount St. Helens is located in Washington, about 55 miles northeast of Portland, Oregon, and 95 miles south of Seattle. It is administered by the National ... causes floods. Volcanic ash spreads ...

When Mount St Helens erupted in 1980, the resulting lava, ash, and debris turned the landscape barren for miles around. It was clear the land would take a long time to recover from the eruption.

An curved arrow pointing right. Scientists are baffled as to where Mount St. Helens gets its lava from. Though the volcano is part of a cluster of volcanoes known as the North American Cascade Arc ...

Mount Rainier National Park Olympic National Park Mount St. Helens National Volcanic Monument North Cascades National Park San Juan Island National Historical Park Klondike Gold Rush National ...

Travelers along Interstate 5 can glimpse these unusual hills and ridges, often mistaking them for volcanic cones or natural terrain. It wasn’t until the eruption of Mount St. Helens that ...