2026-08-30T15:56:59.65Z34.114666666667-117.470333333336.73manualconfirmedUSGS0.9ml1Origin/20260901170026.324759.53709Magnitude/20260901170026.324816.53710USGS2 km NNW of Fontana, CAregion namecicatalogci41539240contributorID