2026-07-28T10:57:08.141Z51.476-178.1510.8manualconfirmedUSGS2.8ml1Origin/20260729063240.88668.239461Magnitude/20260729063240.886739.239462USGS113 km WSW of Adak, Alaskaregion nameakcatalogaka2026ovalzpcontributorID