2026-08-07T12:30:43.772Z51.179-176.98226.1manualconfirmedUSGS1.8ml1Origin/20260807164301.280548.315408Magnitude/20260807164301.280614.315409USGS81 km SSW of Adak, Alaskaregion nameakcatalogaka2026pnpuoecontributorID