How shale fracking led to an Ohio town’s first 100 earthquakes

Since records began in 1776, the people of Youngstown, Ohio had never experienced an earthquake. However, from January 2011, 109 tremors were recorded and new research in Geophysical Research-Solid Earth reveals how this may be the result of shale fracking.

Fuente : http://www.eurekalert.org/pub_releases/2013-08/w-h…