Fracking has been identified as the reason for earthquakes in the Pawnee and Payne county areas of Oklahoma. More earthquakes now occur here than on the entire west coast US.
A 5.3 quake has just struck. This is a new high for shaking. Currently nothing has been done to limit the disposal of fracking fluids in this ground. This may be a first concern for the 'powers that be' in that state.
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