Announced United States Nuclear Tests -- By Date ne Event Name eS CO o ..f Data (GCT) |]. . = Location - L - Type “. Operation Niblick ffs xuanmmmmmannPurpose ole doo Yield Range~ os = Pekan 08/12/63 NTS Shaft WeaponsRelated Low Satsop 08/15/63 NTS Shaft Weapons Related Low Kohocton 08/23/63 NTS Shaft WeaponsRelated Low Ahtanum 09/13/63 NTS Shaft Weapons Related Low Bilby 09/13/63 NTS Shaft WeaponsRelated 249 kt Grunion 10/11/63 NTS Shaft WeaponsRelated Low Tornillo 10/11/63 NTS Shaft Plowshare Low Clearwater 10/16/63 NTS Shaft WeaponsRelated Intermediate Shoal 10/26/63 Fallon Shaft Vela Uniform 12 kt Anchovy 11/14/63 NTS Shaft Weapons Related Low Mustang 11/15/63 NTS Shaft WeaponsRelated Low Greys 11/22/63 NTS Shaft WeaponsRelated Intermediate Sardine 12/04/63 NTS Shaft Weapons Related Low Eagle Accidental release of radioactivity detected off site 12/12/63 NTS Shaft WeaponsRelated Low Fore 01/16/64 NTS Shaft Weapons Related 20 to 200 kt First underground test reported felt in Las Vegas, Nevada Device development Nuclear test detection-research experiment near Fallon, Nevada Accidental release of radioactivity detected onsite only Accidental release of radioactivity detected onsite only -24-