Beginning in 2015, earthquakes in Oklahoma began to be linked with increased injections of water produced from oil and gas wells. State regulatory authorities were slow to react. Operators of large injection wells like Harold Hamm and his Continental Resources pushed back, pressuring the University of Oklahoma to dismiss scientists who were studying links between disposal wells and earthquakes. But the State eventually began monitoring seismic events in earnest, and the Oklahoma Corporation Commission began to order the shut-down of injection wells. In September 2016 the Commission and the EPA ordered 54 disposal wells in Osage County shut in after a magnitude 5.6 quake on September 3. See Oklahoma’s interactive map displaying seismic events, here. The image below shows the number and intensity of earthquakes north of Oklahoma City in 2015:
Below are the quakes to date in the same area in 2017: Continue reading →






