2021-08-18T04:15:57.31Z51.88683333-177.24566675.47manualconfirmedUSGS-0.9ml1Origin/20210820024718.512354.543506Magnitude/20210820024718.512403.543507USGS42 km W of Adak, Alaskaregion nameavcatalogav91039678contributorID