The morning of March 16, 1980, marked the end of 123 years of peaceful solace on the slopes of Mount St. Helens as a series ...

Mount St. Helens famously erupted on March 27, 1980. But the south side was still intact and it took us three hours to drive ...

When Mount St Helens erupted in 1980, the resulting lava, ash, and debris turned the landscape barren for miles around. It was clear the land would take a long time to recover from the eruption.

For over a century, geologists were baffled by the rolling mounds scattered across Northern California's Shasta Valley. Travelers along Interstate 5 can glimpse these unusual hills and ridges, often ...

"We rappel deep into cracks looking for layers of ash between lava flows. They are an indicator ... favorite professors studying Mount Rainier. Like Mount St. Helens, Rainier will doubtless ...

They say the lava will likely stop at the boundaries of the park but the water and other debris, just like the flows at Mt. St. Helens the lahars would create a deadly hazard. The scientists say the ...

Animals face immediate dangers from lava flows, toxic gases, and ash falls ... often resulting in substantial fish kills. Studies of the Mount St. Helens eruption in 1980 estimated that approximately ...

Although it hasn’t erupted in over a millennium, its snow-clad surface and immense size pose significant threats in the form of lahars and pyroclastic flows ... though they sit quite a distance off.

Mount St. Helens is located in Washington, about 55 miles northeast of Portland, Oregon, and 95 miles south of Seattle. It is administered by the National Forest Service, not the National Park ...