SAN FRANCISCO BAY AREA EARTHQUAKE WARNING SIGNS FOR TRANSPORTATION
Yesterday's earthquake was detected by a computer system at UC Berkeley seconds before it hit Napa, and a warning signal was sent within the system for awareness accordingly. The computer system at UC Berkeley can detect the earth shaking within seconds or minutes before it shakes harder, and Governor Jerry Brown signed legislation for the creation of Shake Alert system to help save lives during earthquakes. "This system can help save lives when implemented statewide.