Rewriting the recent history of productive Cascade Arc volcanoes Date: August 14, 2020 Source: University of Oregon Summary: Volcanic eruptions in the Cascade Range of the Pacific Northwest over the ...

There are roughly 20 major volcanoes in the Cascade Range, and while scientists might know about them individually, they don’t know as much about why volcanoes in a chain might vary in composition, ...

The Cascade Volcanic Arc stretches from Northern California to southern British Columbia and contains more than a dozen volcanoes. The U.S. Geological Survey classifies 11 of them, including Mount ...

The string of volcanoes in the Cascades Arc, ranging from California’s Mt. Lassen in the south to Washington’s Mt. Baker in the north, have been studied by geologists and volcanologists for over a ...

Oct. 3—September saw an increase in earthquake activity at Mount Adams, according to the U.S. Geological Survey (USGS) Cascades Volcano Observatory and the Pacific Northwest Seismic Network. A total ...

Lassen Peak, shown here, is the southernmost active volcano in the Cascade Mountain Range of western North America, extending from southern British Columbia to northern California. This vast range is ...

Sept. 4 (UPI) --New high-resolution images of Earth's crust explain why Mount St. Helens is out of line with the Cascade Arc of volcanoes. The images revealed a massive subsurface rock formation ...

Researchers call for a shift in focus away from risks of 'super-volcanic' eruptions and towards likelier scenarios of smaller eruptions in key global 'pinch points' creating devastating domino effects ...