Science Friday Edit this Published in Science Friday What’s Shaking Up Oklahoma? Listen Queue Download this audio Want to embed this player? Use the code below. More info. <iframe width="600" height="130" frameborder="0" scrolling="no" src="//www.wnyc.org/widgets/ondemand_player/wnyc/#file=json/369675"></iframe> Share on Facebook Share on Twitter Email a Friend Earthquakes have increased by 50 percent in Oklahoma since 2013 and may be linked to drilling disposal wells.