Science Friday Published by Science Friday What’s Shaking Up Oklahoma? Listen Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/369675/&share=1"></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.