Oklahoma regulators, scientists track uptick of earthquakes

TULSA — Recent earthquakes west of Perry, Oklahoma, have state regulators and scientists investigating whether regulatory action is needed in the area. According to U.S. Geological Survey data, the five earthquakes were at depths of about 2 to 3.5 miles underground. Oklahoma’s state seismologist Jake Walter told the Tulsa World that the “rash of activity” […]

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