Oklahomans have become accustomed to earthquakes and Sunday on 60 Minutes, Bill Whitaker takes a look at the state's earthquake epidemic.
The U.S. Geological Survey shows the number earthquakes in Oklahoma has increased every year since 2009 with more than 2,000 at a magnitude 3 and above.
The vast majority of those earthquakes are small, causing little or no damage. But what they lack in punch, they make up in sheer volume.
You can see Bill Whitaker's report Sunday at 6 p.m. on 60 Minutes on News On 6