Shasta Valley's strange hills reveal a secret — the debris of a massive ancient mountain collapse in Northern California.

PORTLAND, Ore. (KOIN) — Earthquake activity around Mount St. Helens spiked to nearly 350 quakes between Feb. 1 and June 18, and officials said it may be a sign of “recharging” activity.

The trees were evidence of a past eruption—a sign Spirit Lake has always been ... taking up roughly a quarter of the 110,000-acre Mount St. Helens National Volcanic Monument, which Congress ...

The first sign of activity began in the spring of ... give a precise date scientists tried to predict the eruption of Mount St Helens by measuring the frequency of earthquakes on the mountain.

From 1975: Two 1971 Ferris High School grads were “glad to be alive” after surviving an avalanche on Mount St. Helens. They ...

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.

WA leaders are reassessing their plans for the possibility of an eruption at Mount Adams or Mount St. Helens. Dozens of local ...