2026-07-29T17:15:40.923Z50.481-174.06711.9manualconfirmedUSGS2.6ml1Origin/20260730175305.050759.252133Magnitude/20260730175305.050826.252134USGS191 km S of Atka, Alaskaregion nameakcatalogaka2026oxjcyacontributorID