Science has determined that fracking causes earthquakes — now it’s trying to figure out what to do next
Business Insider Australia by Shane Ferro Mar 5 2015,
Researchers are pretty sure at this point that the increase in earthquakes in the middle of the US in recent years have been caused by fracking.
The USGS put out a news release in February that starts with this:
Large areas of the United States that used to experience few or no earthquakes have, in recent years, experienced a remarkable increase in earthquake activity that has caused considerable public concern as well as damage to structures. This rise in seismic activity, especially in the central United States, is not the result of natural processes.
You can see in the chart at right that California, the light blue line, has a noisy but relatively stable number of earthquakes every year. Nothing about the dark blue line, earthquakes detected in Oklahoma, looks stable.
The question now is what to do about it. Read more at http://www.businessinsider.com.au/fracking-earthquake-detection-2015-3