2023-08-31T20:10:21.0000Z36.995499-121.5593344.56manualconfirmedIRIS1.92Md1Origin/20230831201227.70316.471993Magnitude/20230831201227.703211.471994IRISCENTRAL CALIFORNIAregion nameNEIC PDEcatalognc73931416contributorID