On May 18, 1980, Don Swanson placed a frenzied call to his wife to let her know that he was OK. "That's nice," she said, unconcerned. She had no idea her geologist husband had spent the morning in a ...

The deadliest volcanic disaster in Japan’s history did not end with fire or ash, but with water. When the slopes of a restless mountain collapsed into the sea in 1792, the impact hurled a towering ...

An eruption forecast is a probabilistic assessment of the likelihood and timing of volcanic activity. The forecast may also include information about the expected style of activity (Section 1.6), 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 ...