The 1980 eruption of Mount St. Helens led to better seismic monitoring, increasing seismometers in the Pacific Northwest from a dozen to over 700. Mount St. Helens environment recovering 45 years ...

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 ...

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 ...

(CNN) — 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 ...

Volcanoes are nature's most dramatic rocks, and while their eruptions can be awe-inspiring, they also pose serious threats to ...

“This is the modern legacy of Mount St. Helens,” said Sediment Lab Technician Erin Lysne, while showing the lab and SALI at work. “The lab originally got started to help document all of the sediment ...

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. Webcams provided by ...

No, Mount St. Helens is not erupting. What you are seeing in the Pacific Northwest today is actually remnants of an event nearly 50 years ago. According to the National Weather Service, old volcanic ...

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 ...

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 ...