Western U.S. drought caused Earth's crust to rise

August 23, 2014 7:50 AM

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A crippling drought in the western United States has lifted the Earth's crust by nearly a sixth of an inch in that region and just over half an inch in California's mountains.

The loss of 63 trillion gallons of groundwater—enough to cover the United States, west of the Rocky Mountains, in four inches of water—caused the shift.

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