2020-12-19T03:43:52.0000Z33.4845-116.7941674.17manualconfirmedIRIS1.38Ml1Origin/20201219034859.17391.4779Magnitude/20201219034859.173962.4780IRISSOUTHERN CALIFORNIAregion nameNEIC PDEcatalogci39497623contributorID