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Oklahoma: earthquake country

posted by Jason Kottke   Feb 09, 2015

The number of earthquakes in Oklahoma has increased dramatically over the past years. There are now more measurable quakes in OK than California or Alaska. Why? Fracking.

Oklahoma recorded more than three times as many earthquakes as California in 2014 and remains well ahead in 2015. Data from the U.S. Geological Survey shows that Oklahoma had 562 earthquakes of magnitude 3.0 or greater in 2014; California had 180. As of Jan. 31, Oklahoma recorded 76 earthquakes of that magnitude, compared with California’s 10.

According to the Advanced National Seismic System global catalog, in 2014, Oklahoma even beat Alaska, the nation’s perennial leader in total earthquakes, though many small events in remote areas go unrecorded there.