RBC I The American Southwest is undergoing a spike in seismic activity. A new U.S. Geological Survey shows that a small basin on the New Mexico-Colorado border experienced 20 times more serious earthquakes between 2001 and 2011 than it had during the previous 30 years.
There have been similar tremor spikes throughout the country.
Some media accounts have been quick to blame this on hydraulic fracturing. Also known as “fracking,” this technique involves injecting a…