USGS said it examined the rate of increase in earthquakes in Oklahoma and found they weren't due to random fluctuations in seismic activity in that state.
The joint study found injecting wastewater underground can lead to pressure increases that may contribute to earthquakes.
"Much of this wastewater is a byproduct of oil and gas production and is routinely disposed of by injection into wells specifically designed and approved for this purpose," USGS said.
The waste may be tied to hydraulic fracturing, a controversial drilling practice dubbed fracking. The process is used to extract oil and gas from shale deposits and has lead to an accelerated production rate from North American reserves. Critics of the practice say it's too great of an environmental threat to embrace.
USGS and OGS said Monday the rate of earthquakes in the state have increased by about 50 percent since October 2013. Activity in general has increased since 2009 and a magnitude 5.6 earthquake recorded in 2011 was the largest ever recorded in Oklahoma.
Oklahoma is the No. 5 oil producer and the No. 4 natural gas producer in the United States.
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