The earthquake was the largest ever recorded in the state , substantially exceeding a 5.1 magnitude earthquake which struck near Fairview in February 2016 and slightly more powerful than the 5.7 magnitude 2011 Oklahoma earthquake in Prague , Oklahoma . It occurred amid a significant increase in induced earthquakes in the central and eastern United States over the seven preceding years . Oklahoma in particular saw earthquake rates increase by over two hundred times between 2009 and 2016 , from a background average of one to three a year , between 1975 and 2008 . It experienced 585 quakes of magnitude 3 and larger , in 2014 , compared with only 100 in 2013 . This was over three times the number experienced by seismically active California in 2014
2011 Oklahoma earthquake
2011 Oklahoma earthquake
2016 Oklahoma earthquake