It has been no secret that the occurrence of earthquakes have increased over the last few years in Oklahoma. In 2015, the state recorded 857 quakes of magnitude 3.0 or greater, it was 585 in 2014 and 106 in 2013. Recently, strong earthquakes that are known to cause damage are increasing dramatically. The occurrence of damaging 4.0 or greater quakes is now seeing a dramatic uptick.
Through the first 19 days of January, the state has recorded eight quakes of magnitude 4.0 or greater.Eight quakes of magnitude 4.0 or greater is now the new state record for a single month. The previous record for quakes of this magnitude was seven occurrences in November, 2015. Oklahoma recorded 30 earthquakes of 4.0 or greater in 2015, 15 in 2014, only 3 in 2013. FULL REPORT