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 ...

SKAMANIA COUNTY, Wash. — For thousands and thousands of years, the Pacific Northwest has had a history of active volcanism. And on May 18, 1980, Mount St. Helens violently erupted. Many in central and ...

Thirty-one years ago, John Ewert was a college graduate fascinated with Mount St. Helens. Today, he's the new scientist in charge of the U.S. Geological Survey's Cascades Volcano Observatory in ...

Long-quiet volcanoes in the Cascades region of the Pacific Northwest are still underpinned by large reservoirs of magma, new research finds. The findings have implications for monitoring volcanoes ...

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 ...

BELLINGHAM, Wash. — It’s the most northwestern university in the mainland U.S. and it sits right under the nose of a major mystery. “We have these active volcanoes right in our backyards,” said Susan ...

VOLCANIC LEGACY SCENIC BYWAY, Ore. — Quartzite mountains. Pumice plains. Cinder cones. Volcanoes are the geology that shaped the Pacific Northwest — and there’s an easy way to view them on an ...

Aug. 12—Something out in the darkness was staring at them. Nick Burson and Marc McPherson were on their way down from the summit of Mount Jefferson, a 10,502-foot volcano in the Oregon portion of the ...

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