2021-11-12T21:40:39.96Z46.6696667-112.138833313.26manualconfirmedUSGS2.19ml1Origin/20211112224316.387377.198635Magnitude/20211112224316.387432.198636USGS6 km W of Helena Valley West Central, Montanaregion namembcatalogmb80530039contributorID