Faster alerts for California megaquakes: Early-warning system gets major upgrade

California’s earthquake early-warning system is getting a seismic upgrade, one that will allow residents to receive more timely alerts about shaking from an incoming megaquake. California’s earthquake early-warning system is getting a seismic upgrade, one that will allow residents to receive more timely alerts about shaking from an incoming megaquake. Earth Sciences Environment Phys.org – latest science and technology news stories