Left: An aerial view of the 600-foot lava dome in the crater of Washington's Mt. St. Helens, as seen between the May and July eruptions in 1980.

On May 18th, 1980, Mount St. Helens erupted killing 57 people and changing the way residents of the Northwest viewed the volcano in their midst. For the last 40 years, The Columbian has written ...

Until Mount St. Helens blew in 1980 ... cinder cone, and plug dome—can be found in Lassen Volcanic National Park, where they literally bubble and steam.

Mount Saint Helens in Washington ... according to the US Geological Survey. The volcanic elevation, which is 8,363 feet in ...

Experts believe a Mount Rainier eruption would post a grave threat to millions who live in the southern and eastern sections ...

An curved arrow pointing right. Mount St. Helens has recently been swarming with geological activity, which could mean the giant American volcano is gearing up for its next big eruption.

Jan. 3—Registration is still open for the Mount St. Helens Institute's 12-week Volcano Naturalist Program, which runs Feb. 4 to April 29. Participants in this program will explore diverse ...

A very common case study for volcanoes is the eruption of Mount St Helens in the USA in 1980. Other case studies include the eruption of Mount Etna in Sicily in 1974 and Heimaey eruption in ...

"The great basin," he wrote, "has been formerly one vast crater of a now extinct volcano ... was a thousand times the size of the Mount St. Helens eruption in 1980, which killed 57 people ...

But it's hidden the day we're slated to go on Kenmore Air's Mount Rainier & Mount St. Helens Volcano Tour, meant to show off the iconic mountain. "Basically we'll take off out of Boeing Field ...