CNN At This Hour With Berman and Michaela June 20, 2014 15:46:00
Joining us from washington today, bill leeth. any of us just looking at those numbers, 207 earthquakes in oklahoma? has so many of us shaking our heads? how does that compare to previous years? >> it's a remarkable increase. compared with say the average between 1970 and a few years ago, there are only about three earthquakes in oklahoma magnitude 3 or greater. as john mentioned, we've had more than 200 so far this year. the number of earthquakes is well beyond the number that we recorded this year in california in fact. >> i'm not good at math and i can tell that's a big difference. it does b...
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