> whitaker: mike teague is oklahoma's secretary of energy and environment. he's got the tough job of protecting oklahoma's anxious citizens without damaging its most important industry. >> teague: i keep track of all earthquakes above a 3.0 in the state and 2012 we had three 2013, we had 109. next year, we had 585. last year, we had 907. >> whitaker: that's an alarming increase. >> teague: absolutely. >> whitaker: so what have you concluded is the cause? >> teague: well, the focus right-- is right now, is disposal wells. >> whitaker: how do you balance out the economic benefit of the gas and oil industry and the public safety? >> teague: i don't think it's a balance. i think public safety has to take precedence. >> whitaker: mark zoback from stanford has been working with mike teague and the state earthquake council for more than a year. >> zoback: lowering the total amount of salt water injection into the arbuckle is the only way that these earthquakes are going to start to subside. >> whitaker: do they have time? >> zoback: there's nothing we know that says