Thirty years (and one day) ago, Mount St. Helens blew its top. Or rather, its side. After months of heightened seismic activity, a 5.1 magnitude earthquake caused the flank of the mountain to suddenly ...

It was a quiet Sunday morning, at 8:32 a.m., 38 years ago when Mount St. Helens blew its top, sending tons of ash into the sky. The volcano had been quiet since the 1850s, but in 1980, geologists were ...

A debate is stirring in Southwest Washington over how to manage ongoing impacts from the 1980 eruption of Mount St. Helens.

The 1980 blast remains the deadliest volcanic eruption in U.S. history. More than 300 miles from the volcano, cities like Pullman, Washington, and Moscow, Idaho, were covered in ash. A 23-year-old ...

Sunday marks the anniversary of the May 18, 1980, volcanic eruption that rocked the Northwest. Geologist Carolyn Driedger recounts the haunting day before that catastrophic event — and its lasting ...

Inside the Cascades Volcano Observatory in Vancouver, Wash., SALI the robot weighs small crucibles holding sediment. SALI stands for Sediment Analysis Laboratory Instrument. “This is the modern legacy ...

Andrew Allen Reynolds, a Portland pastor and amateur photographer, recently re-developed and shared a rarely-seen photo his dad took of one of Mount St. Helens later eruptions in June of 1980 from ...

MT. ST. HELENS, Wash — For many people who lived through the 1980 eruption of Mount Saint Helens, it is the biggest news story of their lifetimes. 45 years ago, the mountain that had been rumbling for ...

A common trait among first responders is the sense to run toward danger as everyone else is fleeing for their lives. On May 18, 1980, Don Prest, a Naches resident, was one of those heading into a ...

MOUNT ST. HELENS NATIONAL VOLCANIC MONUMENT — Amid children’s excited chatter and giggles, the first signs of a volcanic eruption — harmonic tremors — spread at the base of Mount St. Helens. Nearly 60 ...