National Geographic: The largest recorded earthquake in Oklahoma history was likely triggered by the injection of wastewater from oil production into wells deep beneath the earth, according to a study published Tuesday in the scientific journal Geology.
The magnitude 5.7 earthquake, which struck in 2011 near Prague in central Oklahoma, is the largest and most recent of a number of quakes scientists have tied to wastewater injection from oil and natural gas production, raising new concerns about the practice.
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