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One reason they were ignored? Geysers are volatile. Old Faithful, a popular draw at Yellowstone, erupts every 90 minutes or so, shooting boiling water 100 feet or more toward the sky.
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) ...
Old Faithful's thermal pools, however, are surprisingly rife with geyser eggs. “This was the largest collection of these rare rocks I have seen in my scientific career,” says Lynne.
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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