2025-07-31T11:04:00.0000Z33.537333-116.7291674.49manualconfirmedIRIS0.23Ml1Origin/20250731110857.370587.104771Magnitude/20250731110857.370648.104772IRISSOUTHERN CALIFORNIAregion nameNEIC PDEcatalogci41249240contributorID