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A Yellowstone Geyser Keeps Erupting. Scientists Aren't Sure Why

In this July 31, 2013 file photo, Steamboat Geyser, in Yellowstone National Park's Norris Geyser Basin in Wyoming, erupts. (Robb Long, File/AP)
In this July 31, 2013 file photo, Steamboat Geyser, in Yellowstone National Park's Norris Geyser Basin in Wyoming, erupts. (Robb Long, File/AP)

Steamboat Geyser, the world’s largest active geyser, erupted for the third time this year, and scientists aren’t sure why.

Here & Now‘s Jeremy Hobson speaks with Bob Smith, distinguished professor of geology and geophysics at the University of Utah.

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