2024-12-04T11:11:55.24Z47.788-114.3228333333331.01manualconfirmedUSGS0.23ml1Origin/20241204230927.972051.58105Magnitude/20241204230927.972103.58106USGS2 km WSW of Big Arm, Montanaregion namembcatalogmb90067638contributorID