2021-05-18T02:27:47.0000Z36.097-91.1578334.49manualconfirmedIRIS1.74Md1Origin/20210518120951.649208.86519Magnitude/20210518120951.649258.86520IRISMISSOURI-ARKANSAS BORDER REGIONregion nameNEIC PDEcatalognm60128023contributorID