Add Yahoo as a preferred source to see more of our stories on Google. Sunday, May 18 marks 45 years since the disastrous eruption of Mount St. Helens. Fifty-seven people were killed and it remains the ...

The 1980 eruption of Mount St. Helens led to better seismic monitoring, increasing seismometers in the Pacific Northwest from a dozen to over 700. Mount St. Helens environment recovering 45 years ...

Everybody saw the eruption coming. Nobody could have predicted how bad it would be. The devastating eruption of Mount St. Helens on May 18, 1980, was a global event in more ways than one: As ash from ...

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 erupted ...

Some Pacific Northwesterners woke Tuesday to an unusual sight: A smoky haze shrouded Mount St. Helens, the large, active stratovolcano in Washington state that erupted catastrophically in 1980. But a ...

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.