2026-05-13T12:49:20.115Z51.553-176.55355.9manualconfirmedUSGS2.6ml1Origin/20260513214103.462687.17687Magnitude/20260513214103.462778.17688USGS36 km S of Adak, Alaskaregion nameakcatalogaka2026jkuocacontributorID