When Mount St. Helens erupted in 1980, the blast released 3.3 billion cubic yards of earth from the mountain.

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. The 1980 Mount St. Helens eruption began with a steady ...

Mount St. Helens experienced a cataclysmic eruption on May 18, 1980. What once was referred to as the “Fujiyama of America” had transformed at 8:32 a.m. in Skamania County, Washington. A 5.1 magnitude ...

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.

ST HELENS, Wash — Engineers who spent the days and years following the 1980 eruption of Mount St. Helens working on the recovery of the region, returned Tuesday to check in on some of their work.

To residents of a certain age, it almost seems like it was yesterday. But Sunday, remarkably, marks the 45th anniversary of a cataclysmic explosion on Mount St. Helens. In a matter of seconds on the ...

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 ...

MOUNT ST. HELENS, Wash. – The Mount St. Helens Visitor Center is now open, showcasing updated exhibits and a new theater. The center closed last September for renovations. Visitors can explore a ...