Aerial photos of Mount St. Helens before and after its May 18, 1980, eruption reveal magnitude of ash and destruction during the volcanic activity. Hotspots ranked Start the day smarter ☀️ ...

This process is underway on the Pumice Plain, even though it is not yet visible from space, scientists said. Gallery: The Incredible Eruption of Mount St. Helens Mount St. Helens Remains a Mystery ...

Mount St. Helens as it appeared before erupting in 1980. The first phreatic eruption at Mount St. Helens viewed by Barry Johnston, Trixie Anders and Jim Fitzgerald, approximately March 28, 1980.

On May 18, 1980, after a series of earthquakes and venting, Mount St. Helens in Washington State erupted, depositing ash in 11 states and causing volcanic mudslides. Approximately 57 people were ki… ...

When Mount St. Helens erupted in 1980, hundreds of square miles surrounding the volcano were flattened. Scientists describe the destruction as “moonscaped,” and at the time, it was thought ...

The 45th anniversary of the catastrophic eruption of Mount St. Helens is on May 18. Here's what to know and when the volcano might erupt again.