2025-09-21T09:30:30.0000Z51.359-178.133935manualconfirmedUSGS5.5Ml1Origin/20250921093630.096371.610422Magnitude/20250921093630.096424.610423USGS118 km WSW of Adak, Alaskaregion nameatcatalogat00t2xmeucontributorID