Add Yahoo as a preferred source to see more of our stories on Google. When Mount St. Helens erupted on May 18, 1980, it caused enormous devastation. The eruption triggered mudslides, an explosion, and ...

The 1980 Mount St. Helens eruption remains the deadliest in U.S. history, fundamentally changing how scientists monitor volcanic activity.

Explore 20 vintage images from the Mount St. Helens eruption, capturing destruction, ash clouds, and historic moments from ...

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.

Forty-five years ago on May 18, 1980, Mount St. Helens in the state of Washington violently erupted. Here’s a look at volcanoes, then and now. Today in History: May 7, Nazi Germany surrenders Hey, San ...

USGS scientists are monitoring elevated seismic activity and ground deformation signals at Mount St. Helens this week marking ...

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 ...

46 years ago today, Mount St. Helens erupted. The massive eruption sent ash and steam skyward as the north face of the mountain collapsed.

The May 18, 1980, eruption of Mount St. Helens remains the deadliest and most destructive volcanic event in U.S. history, claiming 57 lives and flattening 230 square miles of forest. The blast sent a ...