Old Quakes, New Quakes
Northern California residents marking the 30th anniversary of the Loma Prieta earthquake were shaken anew this week by a couple of big jolts. Reporter Peter Fimrite joins Demian Bulwa to talk quake science, why we can't predict the Big One, and ShakeAlert, the new earthquake early-warning system. Learn more about your ad choices. Visit megaphone.fm/adchoices
