2026-08-20T22:39:32.224Z51.703-175.58858.8manualconfirmedUSGS2.2ml1Origin/20260821234459.974414.462464Magnitude/20260821234459.974476.462465USGS74 km ESE of Adak, Alaskaregion nameakcatalogaka2026qmkkchcontributorID