2020-11-18T14:54:04.611Z51.2577-178.430521.1manualconfirmedUSGS3ml1Origin/20201118203704.379485.1573250Magnitude/20201118203704.379513.1573251USGS142 km WSW of Adak, Alaskaregion nameakcatalogak020euf8qsecontributorID