2021-10-16T04:27:34.521Z56.3049-156.519550.5manualconfirmedUSGS2.8ml1Origin/20211016043916.74095.200595Magnitude/20211016043916.740998.200596USGS116 km E of Chignik, Alaskaregion nameakcatalogak021da0uw57contributorID