2025-08-21T06:27:00.1Z54.715-163.4616.32manualconfirmedUSGS0.87ml1Origin/20250821191720.057022.186699Magnitude/20250821191720.05709.1867002025-08-21T19:17:20.165105ZUnimak Island Region, Alaskaregion nameOrigin/20250821191720.057022.186699