2025-09-17T12:14:33.53Z47.9001666666667-114.299510.57manualconfirmedUSGS0.18ml1Origin/20250917144551.116692.576245Magnitude/20250917144551.116747.576246USGS4 km NNW of Dayton, Montanaregion namembcatalogmb90112228contributorID