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Discovered in 1870 by the Washburn Expedition, Old Faithful geyser was named for its frequent and somewhat predictable eruptions, which number more than a million since Yellowstone became the ...
Old Faithful was first documented and named on this day in history, Sept. 18, 1870. The photos here show the geyser erupting in 1871. (W.H. Jackson/The New York Historical Society/Getty Images) ...
In the 1950s, Old Faithful erupted roughly every 60 minutes. But during the time of Hurwitz’s study, there were no big earthquakes, only a pattern of low rain and snow.
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