2025-08-20T13:02:39.37Z45.7348333333333-111.8668.09manualconfirmedUSGS1.25ml1Origin/20250820232004.479513.311529Magnitude/20250820232004.479564.311530USGS7 km WNW of Harrison, Montanaregion namembcatalogmb90108258contributorID