the Quake was reported at around 11:38 p.m. according to the United States Geological Survey the epicenter of the Quake was located around 2 miles Southeast of Ontario near the Ontario International Airport the timbler was measured at a depth of approximately 7.4 miles according to the USGS no injuries or structural damage were immediately reported hundreds of earthquakes are recorded in California each year most are extremely minor however dozens measure over 3.0 magnitud according to the California Department of conservat the strongest qu ever recorded in the Golden State mid 7.9 magnitud and Str foran 9 1857