Every three or four months, as regular as clockwork, the mainstream media resurrects the claim that “fracking causes earthquakes.” We’ve written about it a number of times (see MDN’s Industrywide Issues>Earthquakes category). Any kind of underground activity causes small (micro) “earthquakes.” But the kind you feel on top of the ground–the kind of earthquake that makes the surface move? No, fracking does not do that. At least almost never–we are aware of a single instance in England where a well was fracked directly on a fault line that caused an earthquake (see Report from England Links Fracking to Earthquakes).
At yesterday’s “Shale Gas Promises and Challenges” event in Cleveland, a pro-drilling professor from Stanford University, Mark Zoback, playing to an anti-drilling crowd, said fracking’s link to earthquakes is a concern…
