The oil and gas industry 's injection of wastewater deep into the Earth apparently is linked to the shift in seismic activity in Oklahoma , Myers said . So far this year , there have been more earthquakes in Texas than California . 2010 : Oil wells appear prone to many quakes . Scientists worried about a major earthquakes .
So far this year , there have been more earthquakes in Texas than California . 2010 : Oil wells appear prone to many quakes . Scientists worried about a major earthquakes .