2025-05-12T19:02:09.48Z46.0016666666667-112.464333333333-2manualconfirmedUSGS1.65ml1Origin/20250512191621.542534.201103Magnitude/20250512191621.542586.201104USGS5 km E of Butte, Montanaregion namembcatalogmb90084603contributorID