Name [note 2]
| Date time (UT)
| Local time zone[note 3][3]
| Location[note 4]
| Elevation + height [note 5]
| Delivery [note 6] Purpose [note 7]
| Device[note 8]
| Yield[note 9]
| Fallout[note 10]
| References
| Notes
|
Diamond Sculls
| July 20, 1972 17:16:00.16
| PST (–8 hrs)
| NTS Area U12t.02 37.21439°N 116.18382°W / 37.21439; -116.18382 (Diamond Sculls)
| 2,113 m (6,932 ft) – 419.4 m (1,376 ft)
| tunnel, weapon effect
|
| 21 kt
|
| [1][4][5][6][7]
| Spartan missile hardness test.
|
Atarque
| July 25, 1972 13:30:00.06
| PST (–8 hrs)
| NTS Area U3ht 37.01247°N 116.01577°W / 37.01247; -116.01577 (Atarque)
| 1,182 m (3,878 ft) – 294.2 m (965 ft)
| underground shaft, weapons development
|
| 1.5 kt
| Venting detected
| [1][6][7][8]
|
|
Cebolla – 1 (with Cuchillo, Solano)
| August 9, 1972 13:31:10.04
| PST (–8 hrs)
| NTS Area U3jc 37.00717°N 116.01976°W / 37.00717; -116.01976 (Cebolla – 1)
| 1,180 m (3,870 ft) – 287 m (942 ft)
| underground shaft, weapons development
|
| less than 5 kt
| Venting detected
| [1][6][7][8]
| Simultaneous, separate holes.
|
Cuchillo – 2 (with Cebolla, Solano)
| August 9, 1972 13:31:10.04
| PST (–8 hrs)
| NTS Area U3jt 37.00373°N 116.01982°W / 37.00373; -116.01982 (Cuchillo – 2)
| 1,179 m (3,868 ft) – 198.81 m (652.3 ft)
| underground shaft, weapons development
|
| less than 5 kt
|
| [1][6][7]
| Simultaneous, separate holes.
|
Solano – 3 (with Cebolla, Cuchillo
| August 9, 1972 13:31:10.04
| PST (–8 hrs)
| NTS Area U3jx 37.00315°N 116.01757°W / 37.00315; -116.01757 (Solano – 3)
| 1,179 m (3,868 ft) +
| underground shaft, safety experiment
|
| less than 5 kt
|
| [1][6][7]
| Simultaneous, separate holes.
|
Oscuro
| September 21, 1972 15:30:00.19
| PST (–8 hrs)
| NTS Area U7z 37.08201°N 116.03742°W / 37.08201; -116.03742 (Oscuro)
| 1,225 m (4,019 ft) – 560.21 m (1,838.0 ft)
| underground shaft, weapons development
|
| 160 kt
|
| [1][4][6][7][9]
|
|
Delphinium
| September 26, 1972 14:30:00.16
| PST (–8 hrs)
| NTS Area U2dp 37.12135°N 116.08667°W / 37.12135; -116.08667 (Delphinium)
| 1,276 m (4,186 ft) – 295.66 m (970.0 ft)
| underground shaft, weapons development
|
| 15 kt
|
| [1][6][7][9]
|
|
Akbar
| November 9, 1972 15:15:00.16
| PST (–8 hrs)
| NTS Area U10ax 37.16202°N 116.03405°W / 37.16202; -116.03405 (Akbar)
| 1,295 m (4,249 ft) – 267 m (876 ft)
| underground shaft, weapons development
|
| 600 t
|
| [1][5][6][7]
|
|
Arsenate
| November 9, 1972 18:15:00.16
| PST (–8 hrs)
| NTS Area U9ci 37.12151°N 116.03326°W / 37.12151; -116.03326 (Arsenate)
| 1,268 m (4,160 ft) – 250.24 m (821.0 ft)
| underground shaft, weapons development
|
| 600 t
| Venting detected, 12 Ci (440 GBq)
| [1][5][6][7][8]
|
|
Canna-Limoges – 2
| November 17, 1972 18:00:00.16
| PST (–8 hrs)
| NTS Area U9itsyz26 37.13953°N 116.03324°W / 37.13953; -116.03324 (Canna-Limoges – 2)
| 1,273 m (4,177 ft) +
| underground shaft, safety experiment
|
| less than 20 kt
|
| [1][6][7]
| Simultaneous, same hole.
|
Canna-Umbrinus – 1
| November 17, 1972 18:00:00.16
| PST (–8 hrs)
| NTS Area U9itsyz2 37.13953°N 116.03324°W / 37.13953; -116.03324 (Canna-Umbrinus – 1)
| 1,273 m (4,177 ft) – 213.36 m (700.0 ft)
| underground shaft, weapons development
|
| less than 20 kt
|
| [1][6][7]
| Simultaneous, same hole.
|
Tuloso
| December 12, 1972 16:30:00.04
| PST (–8 hrs)
| NTS Area U3gi 37.03128°N 116.02196°W / 37.03128; -116.02196 (Tuloso)
| 1,189 m (3,901 ft) – 271.09 m (889.4 ft)
| underground shaft, weapons development
|
| 200 t
|
| [1][5][6][7]
|
|
Solanum
| December 14, 1972 15:30:00.16
| PST (–8 hrs)
| NTS Area U9itsw24 37.13804°N 116.03559°W / 37.13804; -116.03559 (Solanum)
| 1,267 m (4,157 ft) – 201.17 m (660.0 ft)
| underground shaft, weapons development
|
| less than 20 kt
| Venting detected
| [1][6][7][8]
|
|
Flax-Source
| December 21, 1972 20:15:00.24
| PST (–8 hrs)
| NTS Area U2dj 37.13997°N 116.08415°W / 37.13997; -116.08415 (Flax-Source)
| 1,296 m (4,252 ft) – 440 m (1,440 ft)
| underground shaft, weapons development
|
| 20 kt
|
| [1][4][7][9]
|
|
Flax-Backup – 2
| December 21, 1972 20:15:24.35
| PST (–8 hrs)
| NTS Area U2dj 37.13997°N 116.08415°W / 37.13997; -116.08415 (Flax-Backup – 2)
| 1,296 m (4,252 ft) +
| underground shaft, weapon effect
|
| less than 20 kt
|
| [1][6][7]
|
|
Flax-Test – 1
| December 21, 1972 20:15:24.35
| PST (–8 hrs)
| NTS Area U2dj 37.13997°N 116.08415°W / 37.13997; -116.08415 (Flax-Test – 1)
| 1,296 m (4,252 ft) – 688.85 m (2,260.0 ft)
| underground shaft, weapon effect
|
| 20 kt
|
| [1][6][7]
|
|
Alumroot
| February 14, 1973 15:30:00.16
| PST (–8 hrs)
| NTS Area U9cj 37.14704°N 116.05096°W / 37.14704; -116.05096 (Alumroot)
| 1,264 m (4,147 ft) – 182.88 m (600.0 ft)
| underground shaft, weapons development
|
| less than 20 kt
|
| [1][6][7]
|
|
Miera
| March 8, 1973 16:10:00.19
| PST (–8 hrs)
| NTS Area U7ad 37.10354°N 116.02759°W / 37.10354; -116.02759 (Miera)
| 1,279 m (4,196 ft) – 568.39 m (1,864.8 ft)
| underground shaft, weapons development
|
| 67 kt
| I-131 venting detected, 0
| [1][6][7][8][9][10]
|
|
Gazook
| March 23, 1973 20:15:00.17
| PST (–8 hrs)
| NTS Area U2do 37.11727°N 116.08779°W / 37.11727; -116.08779 (Gazook)
| 1,274 m (4,180 ft) – 326.14 m (1,070.0 ft)
| underground shaft, weapons development
|
| 200 t
| Venting detected, 12 Ci (440 GBq)
| [1][5][6][7][8]
|
|
Natoma
| April 5, 1973 14:50:00.16
| PST (–8 hrs)
| NTS Area U10aw 37.17783°N 116.05476°W / 37.17783; -116.05476 (Natoma)
| 1,283 m (4,209 ft) – 243.84 m (800.0 ft)
| underground shaft, weapons development
|
| less than 20 kt
|
| [1][6][7]
|
|
Angus – 1 (with Velarde)
| April 25, 1973 22:25:00.03
| PST (–8 hrs)
| NTS Area U3jg 37.00483°N 116.0292°W / 37.00483; -116.0292 (Angus – 1)
| 1,180 m (3,870 ft) – 452.63 m (1,485.0 ft)
| underground shaft, weapons development
|
| 9 kt
| Venting detected, 0.6 Ci (22 GBq)
| [1][4][6][7][8][10]
| Simultaneous, separate holes.
|
Velarde – 2 (with Angus)
| April 25, 1973 22:25:00.07
| PST (–8 hrs)
| NTS Area U3jk 36.99367°N 116.02173°W / 36.99367; -116.02173 (Velarde – 2)
| 1,176 m (3,858 ft) – 277 m (909 ft)
| underground shaft, weapons development
|
| 8 kt
| Venting detected, 250 Ci (9,200 GBq)
| [1][6][7][8][11]
| Simultaneous, separate holes.
|
Colmor
| April 26, 1973 15:15:00.04
| PST (–8 hrs)
| NTS Area U3hv 37.01214°N 116.0207°W / 37.01214; -116.0207 (Colmor)
| 1,182 m (3,878 ft) – 245.81 m (806.5 ft)
| underground shaft, weapons development
|
| 500 t
| Venting detected
| [1][5][6][7][8]
|
|
Starwort
| April 26, 1973 17:15:00.16
| PST (–8 hrs)
| NTS Area U2bs 37.12301°N 116.05937°W / 37.12301; -116.05937 (Starwort)
| 1,261 m (4,137 ft) – 563.88 m (1,850.0 ft)
| underground shaft, weapons development
|
| 90 kt
| Venting detected, 10 Ci (370 GBq)
| [1][6][7][8][9][10]
|
|
Mesita
| May 9, 1973 13:30:00.04
| PST (–8 hrs)
| NTS Area U3jd 37.00626°N 116.01681°W / 37.00626; -116.01681 (Mesita)
| 1,180 m (3,870 ft) – 149.25 m (489.7 ft)
| underground shaft, weapons development
|
| less than 20 kt
| Venting detected
| [1][6][7][8]
|
|
Rio Blanco – 1
| May 17, 1973 16:00:00.12
| MST (–7 hrs)
| near Rifle, Colorado 39.79322°N 108.3672°W / 39.79322; -108.3672 (Rio Blanco – 1)
| 1,938 m (6,358 ft) – 1,758 m (5,768 ft)
| underground shaft, peaceful research
|
| 33 kt
|
| [1][7]
| Operation Plowshare – AEC/Gas industry enhancement experiment. Simultaneous, same hole.
|
Rio Blanco – 2
| May 17, 1973 16:00:00.12
| MST (–7 hrs)
| near Rifle, Colorado 39.79322°N 108.3672°W / 39.79322; -108.3672 (Rio Blanco – 2)
| 1,938 m (6,358 ft) – 1,875 m (6,152 ft)
| underground shaft, peaceful research
|
| 33 kt
|
| [1][7]
| Project Plowshare – AEC/Gas industry enhancement experiment. Simultaneous, same hole.
|
Rio Blanco – 3
| May 17, 1973 16:00:00.12
| MST (–7 hrs)
| near Rifle, Colorado 39.79322°N 108.3672°W / 39.79322; -108.3672 (Rio Blanco – 3)
| 1,938 m (6,358 ft) – 2,015 m (6,611 ft)
| underground shaft, peaceful research
|
| 33 kt
|
| [1][7]
| Project Plowshare – AEC/Gas industry enhancement experiment. Simultaneous, same hole.
|
Cabresto
| May 24, 1973 13:30:00.04
| PST (–8 hrs)
| NTS Area U7h 37.078°N 116.03164°W / 37.078; -116.03164 (Cabresto)
| 1,228 m (4,029 ft) – 197.89 m (649.2 ft)
| underground shaft, weapons development
|
| 15 kt
|
| [1][6][7]
|
|
Kashan
| May 24, 1973 14:30:00.16
| PST (–8 hrs)
| NTS Area U10av 37.16222°N 116.05689°W / 37.16222; -116.05689 (Kashan)
| 1,277 m (4,190 ft) – 265.18 m (870.0 ft)
| underground shaft, weapons development
|
| 2 kt
| Venting detected, 270 Ci (10,000 GBq)
| [1][5][6][7][8]
|
|
Dido Queen
| June 5, 1973 17:00:00.17
| PST (–8 hrs)
| NTS Area U12e.14 37.18498°N 116.21599°W / 37.18498; -116.21599 (Dido Queen)
| 2,247 m (7,372 ft) – 391.36 m (1,284.0 ft)
| tunnel, weapon effect
|
| 18 kt
|
| [1][4][5][6][7]
|
|
Almendro
| June 6, 1973 13:00:00.08
| PST (–8 hrs)
| NTS Area U19v – 37.245°N 116.34691°W / 37.245; -116.34691 (Almendro)
| 2,069 m (6,788 ft) – 1,066.52 m (3,499.1 ft)
| underground shaft, weapons development
|
| 250 kt
|
| [1][4][5][6][7]
|
|
Potrillo
| June 21, 1973 14:45:00.08
| PST (–8 hrs)
| NTS Area U7af 37.09199°N 116.02809°W / 37.09199; -116.02809 (Potrillo)
| 1,255 m (4,117 ft) – 567.02 m (1,860.3 ft)
| underground shaft, weapons development
|
| 58 kt
| Venting detected
| [1][4][6][7][8]
|
|
Portulaca
| June 28, 1973 19:15:12.4
| PST (–8 hrs)
| NTS Area U2bv 37.14837°N 116.08673°W / 37.14837; -116.08673 (Portulaca)
| 1,311 m (4,301 ft) – 466.34 m (1,530.0 ft)
| underground shaft, weapons development
|
| 24 kt
| I-131 venting detected, 0
| [1][5][6][7][9][10]
|
|
Silene
| June 28, 1973 19:45:00.16
| PST (–8 hrs)
| NTS Area U9ck 37.11486°N 116.04179°W / 37.11486; -116.04179 (Silene)
| 1,254 m (4,114 ft) – 198.12 m (650.0 ft)
| underground shaft, weapons development
|
| 5 t
|
| [1][5][6][7]
|
|