After a magnitude-4.5 earthquake was recorded near Cushing in October, Oklahoma regulators ordered oil companies to shut down several disposal wells. That seemed to slow the shaking — at least for a while. Joe Wertz/StateImpact Oklahoma hide caption

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Dwayne "The Rock" Johnson and Carla Gugino star in the action thriller San Andreas. Jasin Boland /Courtesy of Warner Bros. Pictures hide caption

toggle caption Jasin Boland /Courtesy of Warner Bros. Pictures