Between June 17th and June 24th they experienced 35 earthquakes magnitude 3.0 or greater. The rise in quakes since 2009 is becoming more of a concern all the thime. Prior to 2009 they had only one or two quakes per year 3.0 or greater. Oil and gas regulators are taking a hard look at fracking in the state trying to decide what to do about the problem. The only link I have for ya cow is that the story from Reuters is on the MSN page on my puter.