According to the USGS, Mount St. Helens is the most active volcano in the lower 48 states and the most likely in the Cascades ...

Stunning, historic front-page coverage from The Oregonian reporters Les Zaitz and Steve Jenning reports the confusion and ...

KING 5 Meteorologist Rich Marriott was working at Mount St. Helens in the days leading up to and following the eruption. The ...

KING 5's Rich Marriott was working for the Northwest Avalanche Center when Mount St. Helens erupted. He was part of the team ...

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The road leading to Johnston Ridge Observatory still isn't open following a 2023 landslide. But businesses say signs along ...

Explore how the landscape of southwest Washington still bears the scars of the Mount St. Helens eruption 45 years later, ...

When the first earthquakes occurred on Mount St. Helens on March 16 ... and to check in with our volunteer weather observer at Spirit Lake, who was one of Harry Truman’s neighbors.

As spring swings into summer, there’s something for everyone to do in the Basin. Here are just a few of the possibilities: ...

The two craters have begun to merge. The south edge of Spirit Lake rises half an inch as St. Helens swells. “Harmonic tremors” inside the volcano are lasting longer and happening more frequently.

Since 1996, scientists, researchers, staff and volunteers at Mount St. Helens Institute have been working to educate students and visitors about the mountain’s unique volcanic landscape. Despite recen ...