Old Faithful

Old Faithful is a cone geyser in Yellowstone National Park in Wyoming, United States. It was named in 1870 during the Washburn–Langford–Doane Expedition and was the first geyser in the park to be named. It is a highly predictable geothermal feature and has erupted every 44 minutes to two hours since 2000. The geyser and t…
Old Faithful is a cone geyser in Yellowstone National Park in Wyoming, United States. It was named in 1870 during the Washburn–Langford–Doane Expedition and was the first geyser in the park to be named. It is a highly predictable geothermal feature and has erupted every 44 minutes to two hours since 2000. The geyser and the nearby Old Faithful Inn are part of the Old Faithful Historic District.
  • Location: Upper Geyser Basin · Yellowstone National Park · Teton County, Wyoming, U.S.
  • Name origin: Named by Henry D. Washburn · September 18, 1870
  • Elevation: 7,349 ft (2,240 m)
  • Eruption height: 106 to 185 ft (32 to 56 m)
  • Frequency: 60 to 90 minutes
  • Duration: 1½ to 5 minutes
  • Discharge: 3,700–8,400 US gal (14,000–32,000 L)

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Data from: en.wikipedia.org