2026-05-11T23:48:54.59Z34.146833333333-117.424833333339.12manualconfirmedUSGS1.17ml1Origin/20260511235306.276732.166171Magnitude/20260511235306.276791.166172USGS6 km NNE of Fontana, CAregion namecicatalogci41464672contributorID