The eruption triggered mudslides, an explosion, and plumes of ash that did enormous damage. The death of 57 people led to large changes in how the US monitors and prepares for eruptions. On May 18, ...

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 ...

This striking satellite photo shows the unusual shape of Spirit Lake, which was transformed into a giant anatomically inaccurate heart by the explosive eruption of Mount St. Helens in 1980. Today, the ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American I'm still going through the USGS image ...

The story you're about to see is something truly special, because beneath the ash that fell from Mount St. Helens on May 18th, 1980, are clues to some mysteries that have never been fully solved. So ...

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 ...