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Arkansas quakes decline since hydrofracking injection wells were closed

March 18, 2011

“The number and strength of earthquakes in central Arkansas have noticeably dropped since the shutdown of two injection wells in the area, although a state researcher says it’s too early to draw any conclusions.”

“We have definitely noticed a reduction in the number of earthquakes, especially the larger ones,” said Scott Ausbrooks, geohazards supervisor for the Arkansas Geological Survey. “It’s definitely worth noting.”

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