2026-06-29T07:01:11.19Z47.571166666667-112.94666666667-0.35manualconfirmedUSGS1.3ml1Origin/20260630201336.409792.2487Magnitude/20260630201336.409861.2488USGS42 km WNW of Augusta, Montanaregion namembcatalogmb90201043contributorID