Frack quakes may be the reason the ground is shaking in Oklahoma

A new study has found that earthquakes in the state may be triggered by fracking wastewater. Researchers from the University of Colorado and Cornell University say they have some new scientific evidence to support their observations that frack quakes are to blame for the giant group of earthquakes that have hit central Oklahoma, which they believe were likely caused by disposal well activity where wastewater from hydraulic fracturing and other drilling operations is forced into the ground. Oklahoma is currently the second most seismically active state in the continental U.S.…

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