.. Announced United States Nuclear Tests - By Date c+ ss Event Name... Date (GCT) Location| Type. -:° Purpose Yield Rarigé.. SETI Operation Nougat Antler Accidental release of radioactivity 09/15/61 NTS Tunnel WeaponsRelated 2.6 kt Shrew 09/16/61 NTS Shaft WeaponsRelated Low Boomer Accidental release of radioactivity detected onsite only | 10/01/61 NTS Shaft WeaponsRelated Low Chena Accidental release of radioactivity detected onsite only 10/10/61 NTS Tunnel Weapons Related Low Mink Accidental release of radioactivity detected on site only 10/29/61 NTS Shaft Weapons Related Low Fisher Accidental release of radioactivity detected on site only 12/03/61 NTS Shaft WeaponsRelated 13.4 kt Gnome 12/10/61 Carisbad Shaft Piowshare 3 kt Mad Accidental release of radioactivity 12/13/61 NTS Shaft WeaponsRelated 0.50 kt Ringtail Accidental release of radioactivity detected on site only 12/17/61 NTS Shaft Weapons Related Low detected off site Accidental release of radioactivity detected onsite only Multiple-purpose experimentin salt Formed cavity 160-170 ft. diameter, 60-80 ft. high Accidental release of radioactivity detected off site detected onsite only -13-