Category: Earth Science

Drought once shut down Old Faithful—and might again

Old Faithful wasn’t always so faithful. The geyser, in Wyoming’s Yellowstone National Park, is famous because it blasts hot water tens of meters into the air at regular intervals. Now, geologists examining petrified wood from the park have found evidence that 800 years ago, Old Faithful stopped erupting entirely for several decades. Image: Photomatt28

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