| A dramatic uptick in earthquakes has been shaking central Oklahoma this year, continuing a recent trend of increased earthquake activity in the state and leading scientists to speculate about a possible link to oil and gas production there.. The question is why ità ‚¬ „ s happening now, and science suggests that the fracking boom may be, at least in part, to blame.A 2011 study, published in the journal Geology, found that liquid injection triggered a sequence of earthquakes in Oklahoma, including the largest quake ever recorded in the state, which injured two people and destroyed fourteen homes. StateImpact reports that Oklahoma is home to more than 4,400 disposal wells. (The website is a great resource) Researchers have also found connections between injection wells and earthquakes earthquakes in Arkansas, Colorado, Texas and Ohio. |
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