abc7.com: L.A. County Tests Tsunami Alarm Systems in Marina Del Rey

abc7.com: L.A. County Tests Tsunami Alarm Systems in Marina Del Rey: "To Lieutenant Nelson and the L.A. County Sheriff's Department, the 130 decibel bursts are music to their ears. He's part of the county's efforts to install tsunami alarm sirens in low laying Marina del Rey, a move spurred in part by images from the Indonesian tsunami, though these alarms would be used for any type of emergency."