The report speculates that fluid injection might someday be used to diffuse the energy in a known fault zone in a series of small earthquakes rather than one or a few large, destructive ones.
Exactly. I recall reading as a kid of experiments to inject water into faults in CA; my memory recalls that the resulting complaints of earthquake swarms halted the practice, ostensibly due to fear of causing a larger earthquake.
Regardless, I found a bunch of my links in this thread
http://www.freerepublic.com/focus/f-news/3138903/posts
which, ironically, I showed was likely also caused by fracking...
Actually, here’s the main pertinent comment I made
http://www.freerepublic.com/focus/news/3138903/posts?page=39#39