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’ ...

Volcanoes are now more closely monitored. We have a good chance now of determining when a volcano becomes restless,” says Don Swanson, a volcanologist reflecting on the lessons learned from the 1980 ...

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 ...

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.

Washington state may not have to worry about hurricanes, but it is volcano country. The United States has 161 active volcanoes – all in the western U.S. – but only 18 are classified as a "very high ...

Folks in the Northwest shouldn't panic: Mount St. Helens is NOT erupting, government scientists said on Sept. 16. The concern arises because commercial pilots reported seeing ash in the vicinity of ...

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 ...

WASHINGTON,- On May 18, 1980 Mount St. Helens was shaken by an earthquake measuring 5.01 on the Richter Scale. It was strong enough to dislodge a bulge of magma and create an eruption. The Mount St.

On the flanks of Washington State Mount Rainier, a spike in seismic rumbling has revived an old, unsettling question for the ...