2025-12-24T10:57:04.439Z51.4172-174.935941.684manualconfirmedUSGS4.8mb1Origin/20251224111536.514909.40979Magnitude/20251224111536.514957.40980USGS100 km SSW of Atka, Alaskaregion nameuscatalogus7000rkjwcontributorID