2026-04-23T03:42:14.517Z51.6362-177.271886.351manualconfirmedUSGS3.7ml1Origin/20260423233313.529223.92140Magnitude/20260423233313.529286.92141USGS51 km WSW of Adak, Alaskaregion nameuscatalogus6000ss8lcontributorID