New research offers clues as to why Mount St. Helens is one of the most explosive volcanoes in the Cascade range and why it stands apart from the chain of other Cascade volcanoes. Scientists from the ...

Scientists have begun a long overdue study of Glacier Peak in Snohomish County – the second most explosive volcano in the Cascades after Mount St. Helens – in what they hope will lead to badly needed ...

Unlike old soldiers, old volcanoes seemingly don't even fade away, much less die, with researchers discovering magma chambers under cones previously classed as dormant after thousands of years of ...

It was the seventh volcano in four weeks for the French researcher and a team of volunteers from his hometown. In a scientific blitzkrieg through the Cascade Range, the 10 skilled mountaineers scaled ...

Our western volcanoes : an overview -- Plates in motion : the ring of fire, hot spots, and supereruptions -- Magma and mountains : how volcanoes erupt and the landforms they build -- Glaciers on ...

A swarm of small earthquakes is still shaking Mount Rainier, marking the most significant seismic activity at the Cascade volcano in decades. The U.S. Geological Survey’s Cascades Volcano Observatory, ...

Chuck Norris may be in his golden years, but he isn’t over the hill just yet. In fact, he’s on top of it. The famed American ...

The Clear Lake Volcanic Field remains under the watch of the California Volcano Observatory, not because an eruption is ...

Up until now, predicting when volcanoes will erupt has been a mix of science and best guesses. National Oceanic and Atmospheric Administration researchers and University of Washington scientists have ...