How an early earthquake warning works

California is expanding an early earthquake warning system that could give people as long as a minute to prepare for a disaster.
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California is expanding an early earthquake warning system that could give people as long as a minute to prepare for a disaster.
Capitol Alert

Capitol Alert

The go-to source for news on California policy and politics

Earthquake coming? New warning system will give Californians precious seconds to prepare

November 25, 2016 04:00 AM