Azle has recently been shaken by two quakes with magnitude 27 or greater . Scientists say this is the result of injecting wastewater into the ground . This increases pore pressure in the rock causing faults to 'fail ' more easily .
Azle has recently been shaken by 27 quakes with magnitude two or greater . Scientists say this is the result of injecting wastewater into the ground . This increases pore pressure in the rock causing faults to 'fail ' more easily .