Undergraduate researcher Lilian Lucas, left, and Illinois geology professor Patricia Gregg (IMAGE)

University of Illinois at Urbana-Champaign, News Bureau

Undergraduate researcher Lilian Lucas, left, and Illinois geology professor Patricia Gregg

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Undergraduate researcher Lilian Lucas, left, and geology professor Patricia Gregg found that additional pressure from thick overlying glacial ice can make volcanic systems more stable and slower to erupt than volcanoes without ice.

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Fred Zwick

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