November 15, 2012
LOS ANGELES — California coastal regulators were set to weigh in Wednesday on a utility's contentious plan to map offshore earthquake faults near a nuclear power plant by blasting loud air cannons.
Pacific Gas & Electric Co., which operates the Diablo Canyon facility, has proposed conducting a seismic survey that involves firing sonic pulses into the ocean. Sensors on the seafloor would pick up the echoes to create 3-D maps of geologic faults.
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