A 5.6-magnitude earthquake rattled Oklahoma on Saturday, damaging buildings and tying for the strongest temblor ever recorded in the state, which has experienced a rash of earthquake activity in the past decade that U.S. seismologists have tied to the underground disposal of wastewater from oil and gas drilling. Oklahoma Gov. Mary Fallin said via Twitter on Saturday afternoon that state regulators were contacting operators of about...

Source: Wall Street Journal September 03, 2016 12:40 UTC