The morning of March 16, 1980, marked the end of 123 years of peaceful solace on the slopes of Mount St. Helens as a series ...

A towering plume of ash rises in the distance of the photo, swirling with menace and threat, lightning arcing within it. As ...

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

For over a century, geologists were baffled by the rolling mounds scattered across Northern California's Shasta Valley. Travelers along Interstate 5 can glimpse these unusual hills and ridges, often ...

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.

Mount Spurr, a volcano 78 miles from Anchorage, is being monitored for signs of a possible eruption. If it blows, Mount Spurr ...

Mount St. Helens and Mount Vesuvius are also stratovolcanoes known for their catastrophic eruptions. Uturuncu lies within 25 miles of three towns, and an eruption could cause widespread damage and ...

Mount St. Helens is 52 miles northeast of Portland, Oregon, and 98 miles south of Seattle. It’s a five-hour direct flight ...