Up to 10 percent of Okla. quake surge comes from fracking -- state scientist
Oklahoma's state seismologist said yesterday that "up to 10 percent" of the surge in earthquakes in his state could have been caused by hydraulic fracturing rather than wastewater disposal.
Amid quake swarm, Okla. officials shutter a well that was too deep
Oklahoma oil and gas officials temporarily shut down a disposal well near the pipeline hub of Cushing this month, hours after it was hit by a second significant earthquake.
Texas regulators approve rules for waste injection
Texas energy regulators finalized new rules yesterday aimed at reducing earthquakes linked to oil and gas operations.