Earthquakes linked to fracking heighten the odds, study says
                                
                                
                                    (Newser) -
                                    Southern Kansas and Oklahoma are experiencing small, daily quakes linked with fracking that make a larger and more destructive earthquake much more likely, according to a new, unpublished federal study. The risk remains low—about a 1 in 2,500 years' chance—but if true, it ranks the region among...