A preliminary magnitude 4.3 Earthquake occurred at 5:56a and was located 1mi East of #Fontana. No initial reports of damage or injuries within SBCUSD. The SBCUSD Safety/Emergency Manager is monitoring and has communicated with SBCUSD Police Dispatch. For more information: http://earthquake.usgs.gov/earthquakes/eventpage/ci37213455#general_summary
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