2026-08-30T23:55:00.36Z46.435-111.359166666674.98manualconfirmedUSGS0.45ml1Origin/20260831211403.921762.47774Magnitude/20260831211403.921836.47775USGS17 km NE of Townsend, Montanaregion namembcatalogmb90206503contributorID