More than 40 years after the Mount St. Helens eruption buried a Washington river valley under volcanic sediment, 58 relocated ...

Add Yahoo as a preferred source to see more of our stories on Google. Today marks 46 years since Mount St. Helens erupted, claiming 57 lives. The U.S. Geological Survey (USGS) remembered those lost, ...

On a recent June day on upper Mount St. Helens, there was a tail flap, a splash, and a native species returned to its ancestral waters for the first time in four decades. Chinook salmon had thrived in ...

The May 18, 1980, eruption of Mount St. Helens remains the deadliest and most destructive volcanic event in U.S. history, claiming 57 lives and flattening 230 square miles of forest. The blast sent a ...

On May 18, 1980, 30-year-old scientist David Johnston was in an observation post with the U.S. Geological survey monitoring Mount St. Helens. At 8:32 a.m., a 5.1 magnitude earthquake struck beneath ...

For a moment, it seemed like a blast from the past: a plume over Mount St. Helens on Tuesday looked like the volcano might be erupting again. But fortunately, this was not an eruption — just a ...