On May 18, 1980, the eruption of Mount St. Helens emitted 1.5 million metric tons of sulfur dioxide into the atmosphere while its pyroclastic lava flow incinerated virtually everything within a ...

Forty-three years ago, a Plinian eruptive column rose into the sky and volcanic debris rapidly spewed from the volcano. This cataclysmic eruption, which occurred on May 18, 1980, is the most ...

Mount St Helens, Washington viewed from Portland, Oregon. Source: Ilan Kelman The volcano Mount St. Helens in Washington state exploded at 8:32 a.m. on May 18th, 1980, exactly 40 years ago.

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 ...

On the morning of May 18, 1980, photographer Robert Landsburg hiked 7 miles from the summit of Mount St. Helens in the Cascades mountain range. As the lens of his camera viewed the snowy cap of the ...

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 ...

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 ...

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 ...

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 ...