2026-07-17T06:41:15.657Z51.873-176.61810.2manualconfirmedUSGS1.6ml1Origin/20260717090700.631109.137114Magnitude/20260717090700.63117.137115USGS1 km E of Adak, Alaskaregion nameakcatalogaka2026oajrwucontributorID