2021-07-17T02:56:23.38Z36.1556667-91.132833310.63manualconfirmedUSGS2.05md1Origin/20210717134536.176833.178705Magnitude/20210717134536.176886.178706USGS6 km NNW of Black Rock, Arkansasregion namenmcatalognm60131228contributorID