2026-08-18T11:31:05.474Z57.942-137.67611.6manualconfirmedUSGS2.5ml1Origin/20260819051821.600394.431844Magnitude/20260819051821.60045.431845USGS83 km WSW of Elfin Cove, Alaskaregion nameakcatalogaka2026qhwbjbcontributorID