2025-09-14T03:44:10.47Z45.246-112.35633333333310.21manualconfirmedUSGS0.18ml1Origin/20250916171209.30843.567810Magnitude/20250916171209.308481.567811USGS21 km WSW of Alder, Montanaregion namembcatalogmb90112048contributorID