2025-04-20T05:40:01.146Z51.3637-177.542332.1manualconfirmedUSGS2.5ml1Origin/20250421164850.083612.38731Magnitude/20250421164850.083663.38732USGS84 km SW of Adak, Alaskaregion nameakcatalogak025520bx4fcontributorID