A New Breed of Fracking Quakes Emerges

Photo by RJ Sangosti/The Denver Post via Getty Images.

By David Wethe

The oil prospectors of Oklahoma, it appeared, finally had a solution to their earthquake problem.

Ordered by regulators to curb the wastewater they were dumping deep into the ground, they watched with satisfaction as tremors plunged to fewer than two a day from more than five. This seemed to be important confirmation of what had long been suspected in the…

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