Mount Rainier's Volcanic Plumbing Unveiled with New Detailed Picture

July 18, 2014 4:47 PM

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Scientists are getting a closer look at Mount Rainier's volcanic plumbing. By measuring how fast Earth conducts electricity and seismic waves, researchers have made a detailed picture of what happens deep beneath the surface of the mountain.

Mount Rainier, which is the tallest peak in the Cascades, is an active volcano that is predicted to erupt again. In fact, during the past 11,000 years it has erupted explosively dozens of times. That said, its last lava flows were 2,200 years ago, and the last flows of hot rock and ash were 1,100 ye...

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