article_snippet: The new report did not look at whether the reactivation of the faults was linked to the energy extraction technique known as hydraulic fracturing, or fracking.
article_snippet: Wastewater disposal related to the fracking is suspected by many scientists to contribute to the recent seismic activity.
article_snippet: Millions of gallons of waste water are typically trucked from a fracking site to wells where waste water is injected thousands of feet underground into porous rock layers.
article_snippet: Energy companies deny there is a link between fracking and major seismic activity.
highlights_snippet: The new report did not look at whether the reactivation of the faults was linked to the energy extraction technique known as fracking .