2026-08-21T08:22:20.281Z57.875-155.8715.9manualconfirmedUSGS1.1ml1Origin/20260821193749.825684.460885Magnitude/20260821193749.825746.460886USGS90 km WNW of Karluk, Alaskaregion nameakcatalogaka2026qndvkrcontributorID