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PBS News Hour
On the longest-flowing volcano, searching for future clues
Hawaii’s Kilauea has been erupting for over 30 years, making it the longest-flowing volcano on earth. Because of this remarkable activity, it is also currently the most researched. Geologist Mike Garcia has studied Kilauea for decades and believes that analyzing the chemical composition of pieces of the volcano may yield clues to its future behavior. Science correspondent Miles O'Brien reports.
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