2022-04-27T10:20:37.319Z51.8777-177.76473.1manualconfirmedUSGS1.4ml1Origin/20220427164951.8667.333029Magnitude/20220427164951.866751.333030USGS77 km W of Adak, Alaskaregion nameakcatalogak0225dny8nucontributorID