USGS Scientists: Earthquakes from Injection Wells Can be Mitigated

Last week a scientific research paper was published in the magazine Science on the topic of earthquakes related to injection wells. The paper is the result of a series of workshops by the U.S. Geological Survey. Although we don't have a copy of the full paper, we do have a summary. A summary of the summary is this: fracking shale results in a lot of fluid that gets disposed of via Class II injection wells. Some of those wells are near faults and result in tremors--most of the time unfelt. There is, in the opinion of the USGS scientists, a direct connection between the increase in fluid injection from shale drilling and the rise (and clusters) of low-level earthquakes. The good news? There are strategies for "mitigating the effects of human-induced earthquakes caused by wastewater injection" which are discussed in the paper...

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