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 ...

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 ...

It’s been 45 years since an eruption occurred on the U.S. mainland. The May 18, 1980, eruption of Mount St. Helens in southern Washington claimed 57 lives and blasted the terrain of old-growth spruce ...

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 ...

Tourists scrambled to get away from a volcanic eruption in Italy on June 2. Mount Etna, located on the eastern coast of Sicily and one of Europe's most active volcanoes, sent an ash cloud into the air ...

The notice, timestamped on a Friday morning in both PST and UTC, underscored that no Cascade volcano was in full eruption, even as some showed low‑level seismicity and gas emissions. That kind of ...