2025-09-01T19:33:41.14Z46.1535-110.9306666666675.58manualconfirmedUSGS1.08ml1Origin/20250902231300.656114.442710Magnitude/20250902231300.656163.442711USGS22 km NNW of Sedan, Montanaregion namembcatalogmb90110033contributorID