2023-12-19T00:00:42.0000Z36.909833-121.2638337.88manualconfirmedIRIS1.09Md1Origin/20231220054520.293284.31862Magnitude/20231220054520.293332.31863IRISCENTRAL CALIFORNIAregion nameNEIC PDEcatalognc73977936contributorID