By Tina Casey
While the emerging link between natural gas fracking and earthquakes has been grabbing a lot of attention, another problem has been bubbling up under our feet: a series of earthquakes in normally calm areas has been traced to conventional oil drilling operations. In particular, Oklahoma has been hit by a string of unusual earthquakes over the past couple of years, including the biggest one ever recorded in the state, a magnitude 5.7 temblor near Prague … Read More
Biggest Ever Earthquake In Oklahoma Is Linked To Oil Wastewater Injection was originally published on: CleanTechnica. To read more from CleanTechnica, join over 30,000 others and subscribe to our free RSS feed, follow us on Facebook (also free!), follow us on Twitter, or just visit our homepage (yep, free).