Inside the Cascades Volcano Observatory in Vancouver, Wash., SALI the robot weighs small crucibles holding sediment.SALI ...

A stratovolcano in Europe erupted on June 2 and sent tourists running for safety. What is the status of Washington's most active stratovolcano?

author of “Eruption: The Untold Story of Mount St. Helens.” It was 45 years ago today that Mount St. Helens, a volcano 50 miles north of Portland, Oregon exploded in a spectacular and ...

May 18 marks the 45th anniversary of the catastrophic eruption of Mount St. Helens in southwestern Washington. The blast in 1980 killed dozens of people and reshaped the volcanic peak in the ...

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.

When Mount St. Helens erupted on May 18, 1980, it caused enormous devastation. The eruption triggered mudslides, an explosion, and plumes of ash that did enormous damage. The death of 57 people ...

In 2004, for example, researchers had about a week’s notice before a minor eruption at Mount St. Helens. In 1980, there was only one instrument on the mountain. By 2004, there were many ...

Mount St. Helens erupted 45 years ago, causing the deadliest volcanic disaster in U.S. history. May 18 marks 45 years since Mount St. Helens erupted, devastating 230 square miles and killing 57 ...