It was early morning on Mount St. Helens when the volcano shook the Earth. Accompanied by a magnitude 5+ earthquake and a debris avalanche, the eruption changed the future of volcanology.

Remembering the deadly Mount St. Helens eruption 45 years later Mount St. Helens erupted 45 years ago, causing the deadliest volcanic disaster in U.S. history. Adel Toay, Drew Mikkelsen, Leah ...

The earthquakes are not currently a cause for concern, and do not indicate an impending eruption, the U.S. Geological Survey ...

Researchers started seismic monitoring at Mount Rainier in the 1970s, according to Iezzi, who works for the U.S. Geological Survey’s Cascades Volcano Observatory and said she conferred with other ...

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

From asteroids the size of football stadiums to nuclear war and man-made pandemics, it can seem as if humankind is in ...

An account of how and why Mount St. Helens erupted in May 1980 and the destruction it caused, and a discussion of the return of life to that area ...

Indonesia’s rumbling Mount Lewotobi Laki Laki has erupted with a column of volcanic materials as high as 11 miles into the ...

A body found in a reservoir near Mount St. Helens belongs to a missing hunter, deputies said. Getty Images/iStockphoto A 72-year-old man’s body was found seven months after he vanished during a ...

ICELAND (FOX 9) - A volcano erupted on Iceland's Reykjanes Peninsula early Wednesday morning, prompting evacuations in the surrounding area. Drone video shot by Hordur Kristleifsson shows spectacular ...

Every ecosystem is complex and unique. In some places, specific plants, animals, fungi, or bacteria will have a dramatic effect on how the other things in the area will live. Most of the time, if one ...