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Jerry Hill

California governor OKs plan for earthquake early warnings

Californians will begin getting warnings of impending earthquakes through their cellphones, radios and other devices within the next year or two as the state ramps up a lifesaving early warning system, emergency management officials said Thursday.

Gov. Jerry Brown signed legislation to develop the statewide warning system Thursday. Combined with $10 million from the state budget Brown approved earlier this year, California has the pieces in place to begin rolling out the warning system called ShakeAlert, said Mark Ghilarducci, head of the Governor's Office of Emergency Services.

Seismic early warning systems are designed to detect the first shock waves from a large jolt,...