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

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

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

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

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

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

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.

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.

Prest and three other soldiers were skimming over a moonscape in a Huey helicopter, the same aircraft that was the Army’s ...