Four dozen earthquakes were detected at Mount St. Helens over the last month, but volcano seismologist Dr. Weston Thelen of the United States Geological Survey said it’s nothing to worry about. While ...

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 ...

Wind gusts that stirred up ash around Mount St. Helens in Washington have people asking: Is the sleeping giant awake? The National Weather Service in Portland responded to reports of volcanic ash ...

When Mount St. Helens erupted on May 18, 1980, the landscape changed in an instant—the geologic version of an instant, anyway. It was the deadliest eruption the United States had ever seen, leveling ...

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, ...

That came after scientists received reports of a large plume rising above the volcano, which turned out to be volcanic ash from the 1980 Mount St. Helens eruption. “It kind of looks like a brownish ...

Residents of the Pacific Northwest often cast a wary eye toward Mount St. Helens, but airborne ash this week isn’t a sign of a new eruption. That’s according to the U.S. Geological Survey, which ...

City and county leaders in Cowlitz County say sediment from the Mount St. Helens eruption on May 18, 1980 is causing flood concerns.

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 ...

The destructive eruption in 1980 created a massive debris avalanche. Strong winds across parts of Washington state have kicked up volcanic ash deposited during the 1980 eruption of Mount St. Helens, ...