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 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.

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

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 ...

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 ...

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 ...

SKAMANIA COUNTY, Wash. — When the first earthquakes occurred on Mount St. Helens on March 16, 1980, I was working as a meteorologist for the U.S. Forest Service at the Northwest Avalanche Center.

Strong winds across parts of Washington state have kicked up volcanic ash deposited during the 1980 Mount St. Helens eruption.

Mount St. Helens environment recovering 45 years after eruption With most plants and animals now back, scientists are shifting their observation focus. Rich Marriott: My experience with the 1980 Mount ...