2026-07-23T09:27:35.245Z51.533-176.86921.1manualconfirmedUSGS1.9ml1Origin/20260724222138.559626.201193Magnitude/20260724222138.55969.201194USGS41 km SSW of Adak, Alaskaregion nameakcatalogaka2026olrjnbcontributorID