Washington’s Glacier Peak and its Secret History of Big Eruptions

For a volcanic arc, the Cascade Range in Washington, Oregon, British Columbia and California uis pretty quiet. So quiet that it is an open question in geosciences why eruptions there seem to be so few and far between. The last eruption in the Cascades was the fairly benign 2004-08 eruptions at Mount St. Helens that, beyond an oddly H.R. Giger-looking lava dome, didn’t really impact much outside the crater carved by the 1980 eruption. In fact, in the past 100 years, only Mount St. Helens has

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