Add one more study to the pile of evidence that activity related to oil and gas drilling is responsible for an unusual spate of earthquakes rattling Texas. This week, University of Texas scientists published a report in the Journal of Geophysical Research: Solid Earth that said it was plausible that a 4.8 shake in the East Texas town of Timpson in 2012 was caused by the injection of wastewater from fracking into the ground.
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