2026-08-11T05:53:19.109Z51.678-173.73358.7manualconfirmedUSGS3.8ml1Origin/20260811070637.099601.344856Magnitude/20260811070637.099663.344857USGS66 km SSE of Atka, Alaskaregion nameakcatalogaka2026pumqjucontributorID