2021-06-16T00:11:28.361Z44.1279-102.08335manualconfirmedUSGS2.6mb_lg1Origin/20210616002821.12973.51818Magnitude/20210616002821.12978.51819USGS15 km NNE of Quinn, South Dakotaregion nameuscatalogus7000eddxcontributorID