2023-12-22T14:09:22.0000Z38.901833-123.6358347.35manualconfirmedIRIS1.63Md1Origin/20231222141313.619538.49938Magnitude/20231222141313.61959.49939IRISNEAR COAST OF NORTHERN CALIF.region nameNEIC PDEcatalognc73979511contributorID