2026-08-09T07:44:51.04Z45.647666666667-111.580333333333.22manualconfirmedUSGS1.46ml1Origin/20260810182355.843814.339992Magnitude/20260810182355.843875.339993USGS17 km ESE of Harrison, Montanaregion namembcatalogmb90204653contributorID