2021-08-23T07:58:06.71Z51.85166667-177.90716673.15manualconfirmedUSGS-0.04ml1Origin/20210824024854.936652.570320Magnitude/20210824024854.936703.570321USGS87 km W of Adak, Alaskaregion nameavcatalogav91346801contributorID