Triggered Earthquakes in Oklahoma (IMAGE)
Caption
Large volumes of highly saline water extracted along with oil and gas from some producing formations gets injected into a deep disposal zone, the Arbuckle Formation, which sits directly upon crystalline basement rocks. Rising pore pressure in the Arbuckle Formation can penetrate already-stressed basement faults and trigger earthquakes.
Credit
Steven Than/Stanford University
Usage Restrictions
The image may only be used with appropriate caption or credit.
License
Licensed content