Witness location : Rancho Cucamonga (USA) (9 km W from epicenter)
Time : T0+ 40 min
Witness location : Corona (USA) (10 km SW from epicenter)
Time : T0+ 42 min
Witness location : Fontana (USA) (12 km N from epicenter)
Time : T0+ 40 min
Witness location : Moreno Valley (USA) (35 km SE from epicenter)
Time : T0+ 5 min