2026-04-26T10:48:23.83Z46.770666666667-112.658166666671.96manualconfirmedUSGS1.8ml1Origin/20260427170945.675598.5119Magnitude/20260427170945.675676.5120USGS19 km NNW of Avon, Montanaregion namembcatalogmb90134468contributorID