2025-02-18T15:11:34.36Z46.9911666666667-114.47433333333313.69manualconfirmedUSGS1.16ml1Origin/20250218223851.975384.171501Magnitude/20250218223851.975434.171502USGS1 km S of Alberton, Montanaregion namembcatalogmb90072678contributorID