2025-08-12T07:18:43.01Z45.0833333333333-111.460514.22manualconfirmedUSGS1.19ml1Origin/20250812132952.095629.223989Magnitude/20250812132952.095681.223990USGS23 km SSW of Big Sky, Montanaregion namembcatalogmb90106948contributorID