Environmentalists oppose PG&E plans for undersea air blasts

 PG&E plans to use underwater ‘air cannons’ emitting 250-decibel blasts every 15 seconds for 12 straight days to map earthquake fault zones near Diablo Canyon nuclear plant.  Over objections of Central Coast residents and environmental groups, Pacific Gas & Electric plans to map earthquake fault zones near its Diablo Canyon nuclear plant by blasting high-decibel air cannons under the surface of the ocean.  Read full article here.