2025-05-30T07:36:17.75Z47.8253333333333-113.90653.17manualconfirmedUSGS-0.16ml1Origin/20250530220012.33378.43036Magnitude/20250530220012.333832.43037USGS12 km SSW of Swan Lake, Montanaregion namembcatalogmb90090668contributorID