Other theories to explain Oklahoma earthquakes today, include the fact that tectonic plates are continually shifting around the Earth’s core. Description from coalminingandgeology.com. I searched for this on bing.com/images
5/5/2014 Mile for mile, there are almost as many earthquakes rattling Oklahoma as California this year. This major increase in seismic shaking led to a rare earthquake warning today (May 5) from the U.S. Geological Survey and the Oklahoma Geological Survey.