The formation of Heart Mountain near Cody is a story of a block of rock the size of Rhode Island moving at 700 mph, an ...

Hurricane Helene lasted only a few days in September 2024, but it altered the landscape of the Southeastern U.S. in profound ...

Geoscientists have published a large review paper in the journal Science that highlights the capacity of current models to ...

Mark Smith’s family owned and operated "The Spirit Lake Lodge" at Mount St Helens up until the eruption. It was lost under the blast. Twelve years later, he returned to the area and started Mount St.

One of the leading killers during explosive volcanic eruptions is a family of superheated gas, ash, and debris known as pyroclastic density currents.These tumbling, turbulent paroxysms rush ...

A possible Spurr eruption — which would likely originate from its side vent, called Crater Peak — would also cause mudslides and avalanches of volcanic debris and ash to roar down the mountain ...

Pyroclastic clouds, or a dense mixture of ash, gas and rock dispersed during a volcanic eruption, caused a searing, rapid avalanche of debris to fill the home, Zuchtriegel said.

The first sign of an eruption was recorded on March 20, 1980, when a magnitude 4.2 earthquake caused snow avalanches to occur on parts of the volcano, according to the U.S. Geological Survey (USGS).

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 ...

On May 18, 1980, the United States experienced the deadliest and most destructive volcanic eruption in its history. After more than two months of rumbling, Washington state's Mount St. Helens ...