2025-04-19T04:21:44.683Z52.0555-174.163211.7manualconfirmedUSGS2.2ml1Origin/20250419044618.059639.21997Magnitude/20250419044618.059691.21998USGS15 km S of Atka, Alaskaregion nameakcatalogak02550c35mhcontributorID