CASCADES VOLCANO OBSERVATORY — 'First, Mt. Saint Helens is NOT erupting.' That was the message from the National Weather Service office in Portland this morning. NWS says volcanic ash from when Mt. St ...

SKAMANIA COUNTY, Wash. — Mount St. Helens erupted 40 years ago, on May 18, 1980, sending a plume of ash and smoke into the sky and claiming 57 lives on the ground. But for months leading up the ...

ST HELENS, Wash. — It may look a bit like it, but Mount St. Helens is not erupting Tuesday morning. The ash you can see blowing around the volcano is actually remnants of the infamous 1980 eruption.

Strong winds across parts of Washington state have kicked up volcanic ash deposited during the 1980 eruption of Mount St. Helens, creating hazy conditions and reducing air quality. The phenomenon, ...

On the morning of May 18, 1980, the most destructive volcanic eruption in U.S. history killed 57 people in Washington state. The enormous column of ash that was unleashed by Mount St. Helens has been ...

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 ...

New research offers clues as to why Mount St. Helens is one of the most explosive volcanoes in the Cascade range and why it stands apart from the chain of other Cascade volcanoes. Scientists from the ...

Mount St. Helens looked like it might be erupting again. Commercial pilots flying in the area Tuesday reported clouds of fine volcanic ash rising into the air above the collapsed dome of the Cascades’ ...

"Report of Workshop on Mount St. Helens Eruption: Its Atmospheric Effects and Potential Climatic Impact, Washington, DC, 20-21 November 1980, sponsored by NASA-Office of Space and Terrestrial ...