Discover everything about the Cascade Range mountains. Check their location, volcanoes, climate, and importance across ...

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 ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from James Genero IV, EarthScope ...

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 ...

Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes behind thick, shifting layers of volcanic gas and ash. Visitors snap ...

A deadly eruption on White Island in New Zealand Monday serves as a reminder to Pacific Northwest residents of the dangers of living near a volcano, said officials with the U. S. Geological Survey’s ...

From 1975: A geologist from Eastern Washington State College returned from a research trip and warned that one of Washington’s volcanoes “could blow suddenly and take us by surprise.” Mount St. Helens ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have recorded the "largest" earthquake swarm at Mount Rainier in Washington state since 2009, the U.S. Geological ...