2021-01-30T03:47:38.96Z47.7661667-113.79216671.27manualconfirmedUSGS0.61md1Origin/20210130153928.300176.2160809Magnitude/20210130153928.300228.2160810USGS18 km SSE of Swan Lake, Montanaregion namembcatalogmb80485654contributorID