USA - Wyoming - Yellowstone National Park - Old Faithful

The Washburn Expedition in 1870 named Old Faithful for its nearly regular schedule of eruptions. It is the grand old geyser of Yellowstone National Park, Wyoming, because of its frequent and predictable eruptions. The intervals between eruptions average between 45-90 minutes and the average duration is about four minutes. To predict the next eruption, its first continuous surge is timed until the final splash.

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Filename: 2007_08_07_Lower Geyser Basin_Z.jpg
Copyright: Mike Kemp
Image Size: 4096x2730 / 866.6KB; Mike Kemp Michael Kemp USA United States of America United States America Wyoming Old Faithful regular schedule grand old geyser Yellowstone National Park frequent predictable eruptions eruption
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The Washburn Expedition in 1870 named Old Faithful for its nearly regular schedule of eruptions. It is the grand old geyser of Yellowstone National Park, Wyoming, because of its frequent and predictable eruptions. The intervals between eruptions average between 45-90 minutes and the average duration is about four minutes. To predict the next eruption, its first continuous surge is timed until the final splash.