OnePercenter
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- Apr 10, 2013
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How's that fracking working out for ya?
USGS: Oklahoma Hit By Second-Strongest Quake Ever
The state has been recording about two-and-a-half earthquakes a day of a magnitude 3 or greater, a rate 600 times greater than observed before 2008, the Oklahoma Geological Survey said in a report last year.
USGS: Oklahoma Hit By Second-Strongest Quake Ever