2025-09-28T23:39:13.57Z47.8138333333333-113.5343.83manualconfirmedUSGS0.11ml1Origin/20250930223223.175669.717831Magnitude/20250930223223.17572.717832USGS26 km ESE of Swan Lake, Montanaregion namembcatalogmb90114213contributorID