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 ...

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

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 ...

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 ...

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 ...

Scientists at the rim of the volcano smelled hydrogen sulfide, similar to rotten eggs, said Jeff Wynn, chief scientist for volcano hazards at the U.S. Geological Survey's Cascade Volcano Observatory.

Nov. 20—The Senate Committee on Energy & Natural Resources has reapproved legislation that increased monitoring of Washington's five active volcanoes. On Wednesday, the committee reauthorized the ...

Portland city councilors are set to vote on Wednesday on rolling back rules they say make it harder to open a business. Can sex offenders change? Experts in Oregon say state falls short on treatment ...