In Depth - Predicting Old Faithful

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Duration:
4 minutes, 41 seconds

Old Faithful was once called “Eternity’s Timepiece” because of the regularity of its eruptions. However, this geyser never erupted at exact hourly intervals as many believe. Ranger Darlene Bos explains how we predict eruptions for this popular geyser. Additional filming by David Restivo and Jay Elhard.

 

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Last updated: January 18, 2017

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