In the aftermath of Mount St. Helens’ 1980 eruption, an unusual experiment with gophers set the stage for an unexpected ...

Enjoy hot and mostly dry conditions with occasional afternoon storms this weekend. Take advantage of early morning skies for ...

Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

This is a repost from the archives, an older post by Henrik which has been updated to reflect more recent findings. Did you know there are 255 volcanoes or volcanic features listed in the US?

When Mount St. Helens erupted in 1980, the blast released 3.3 billion cubic yards of earth from the mountain.

Scientists Dropped Gophers On Mount St. Helens For 24 Hours. Four Decades Later, The Impact Is Astonishing Not long after the eruption, a few gophers took a very strange day trip.

Where is Mount St. Helens? Mount St. Helens is in Skamania County, Washington. The volcano formed through four eruptive events starting about 275,000 years ago, according to the USGS.

The Mount St Helens Visitor Center at Silver Lake celebrated its reopening to the public Saturday. It had been closed for 8 months to undergo renovations.

SKAMANIA COUNTY, Wash — Sunday marked 45 years since Mount St. Helens erupted, sending ash, lava, mud and debris flowing down the mountainside. Fifty-seven people were killed. To this day, it is ...

Mount St. Helens, long known for its pretty silhouette and serene scenery, took on a new personality. The volcano “awakened,” it “cleared its throat,” it “hurled” debris.

The Mount St. Helens eruption anniversary prompts investigation into the California earthquakes: eruption history, threat levels.