As shown in the following video by USGS, central Oklahoma’s rate of recorded magnitude 2-3 earthquakes is on the rise. More than 2500 earthquakes have rattled Oklahoma since 2012. And most of them (>1500 earthquakes! More than half of them) were reported since October 2013. Is it linked to fracking?
Some geo-scientists indeed suspect: ’human-induced fluid injection’ into deep rock formations to be the cause. I do too! What about you!