Add Yahoo as a preferred source to see more of our stories on Google. FILE - Chad Devereaux works at cleaning up bricks that fell from three sides of his in-laws home in Sparks, Okla., Nov. 6, 2011, ...

PRAGUE, Okla. — After a dramatic spike in earthquakes in the early 2010s, state regulators in Oklahoma began taking steps to limit the injection of wastewater from oil and gas extraction deep into the ...

A University of Oklahoma geophysics professor said good seismic data points to three Lincoln County injection wells as the trigger to a series of earthquakes felt around the state in 2011.

A magnitude-5.7 earthquake in 2011 damaged homes and buckled a highway here in Prague, about 45 miles east of Oklahoma City. Now, “As soon as people walk in, the first thing out of their mouths is ...