Here 's an interesting article about the earthquake link to co2 injecting. Interesting because of the huge push this is getting from obama. He's backingbthe idea big time. Fracking has been linked to earthquakes too. No one cares since the push to make us energy independent comes first.
http://www.huffingtonpost.com/bill-chameides/the-latest-on-earthquakes_b_4281792.html