Ohio authorities shut down a hydraulic fracturing, or fracking, natural gas operation in Mahoning County on Monday after two earthquakes were felt in the area, near the Pennsylvania border, local newspapers and broadcasters reported.
The quakes registered magnitudes of 3.0 and 2.6, the U.S. Geological Survey’s National Earthquake Information Center said on its website.
Two smaller earthquakes were also reported later in the day.
The Ohio Department of Natural Resources (ODNR) halted operations of Texas-based Hilcorp Energy — which conducts fracking in the area — while experts from the department analyze data from the earthquakes, The Columbus Dispatch said, citing a statement it received from the ODNR.
"Out of an abundance of caution, we notified the only oil and gas operator in the area and ordered them to halt all operations until further assessment can take place,” the department was quoted as saying.
There were no immediate reports of injury or damage.
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