KCBS In Depth: Earthquake Early-Warning Technology And Emergency PreparednessKCBS’ In Depth co-hosts Jeff Bell and Ed Cavagnaro speak with Dr. Richard Allen, director of the Berkeley Seismological Laboratory, which received a 5-second warning before the first waves of the Napa quake rolled through. They also talk with Lt. Erica Arteseros, coordinator for the San Francisco Fire Department's Neighborhood Emergency Response Team (NERT).