Add Yahoo as a preferred source to see more of our stories on Google. Sunday, May 18 marks 45 years since the disastrous eruption of Mount St. Helens. Fifty-seven people were killed and it remains the ...

The U.S. Army Corps of Engineers is set to start raising a dam used to catch millions of tons of Mount St. Helens sediment that flows each year from the mountain into the Toutle, Cowlitz and Columbia ...

Mount Saint Helens is the biggest volcanic eruption in United States history, and this weekend marked 45 years. The eruption and the following landslide killed 57 people, destroyed 200 homes, and ...

It’s been 45 years since an eruption occurred on the U.S. mainland. The May 18, 1980, eruption of Mount St. Helens in southern Washington claimed 57 lives and blasted the terrain of old-growth spruce ...

Sunday marks 45 years since Mount St. Helens erupted in Washington state. The deadly eruption happened shortly after 8:30 a.m. on May 18, 1980, following months of small explosions and earthquakes.

Peggy Short-Nottage and her husband joined sightseers rushing to Mount St. Helens when volcanic activity escalated in the spring of 1980. Instead of hopping in a car and making the drive to ...

Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes behind thick, shifting layers of volcanic gas and ash. Visitors snap ...

In 1980, Washington State's Mount St Helens erupted, resulting in 57 human deaths, the most ever recorded for a volcanic ...

Some Pacific Northwesterners woke Tuesday to an unusual sight: A smoky haze shrouded Mount St. Helens, the large, active stratovolcano in Washington state that erupted catastrophically in 1980. But a ...

The 1980 eruption of Mount St. Helens led to better seismic monitoring, increasing seismometers in the Pacific Northwest from a dozen to over 700. Mount St. Helens environment recovering 45 years ...