2021-12-04T10:26:15.25Z51.86233333-177.82916676.91manualconfirmedUSGS-0.08ml1Origin/20211206224229.017641.408243Magnitude/20211206224229.017706.408244USGS82 km W of Adak, Alaskaregion nameavcatalogav91045103contributorID