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 ...

At the risk of this blog becoming all volcanoes, all the time, I bring you... more volcanoes! Two of my favorite geobloggers wrote mustn't-miss posts on some of our Cascades volcanoes. They showcase ...

Mount Rainier - one of many volcanoes found in the Cascade Range - is reflecting in the Reflection Lakes in Mount Rainier National Park in Washington State, USA. A seismic survey challenges the ...

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 ...

Mount Shasta, a steep-sided Cascade Range stratovolcano in Northern California, looms above Little Glass Mountain, a thick obsidian flow erupted from the Medicine Lake shield volcano about 1,000 years ...

Mount Adams, seen here from Mount Saint Helens, is the largest volcano by volume in the Cascade Range. (John Pallister/U.S. Geological Survey) Six low-intensity earthquakes rumbled beneath Mount Adams ...

A startup in Oregon called Mazama Energy is looking to leverage the superhot rocks near Newberry Volcano, one of the most ...

Researchers are setting up extra volcanic monitoring stations in the Cascades this month after a flurry of earthquakes. Should you panic? No. According to Wes Thelen, a research seismologist with the ...

New Cornell University led-research challenges the long-standing belief that active volcanoes have large magma bodies that ...

AP Photo/Caleb Jones VOLCANOES NATIONAL PARK, HI -- For the first time in three years, lava from Kilauea volcano on Hawaii's Big Island is entering the Pacific Ocean - where it's creating new land and ...

For decades, scientists believed that magma chambers beneath volcanoes were transient, forming before an eruption and then ...