Name [note 2]
| Date time (UT)
| Local time zone[note 3][2]
| Location[note 4]
| Elevation + height [note 5]
| Delivery [note 6] Purpose [note 7]
| Device[note 8]
| Yield[note 9]
| Fallout[note 10]
| References
| Notes
|
Spud
| July 17, 1968 14:00:00.04
| PST (–8 hrs)
| NTS Area U3fy 37.00095°N 115.99962°W / 37.00095; -115.99962 (Spud)
| 1,178 m (3,865 ft) – 240.29 m (788.4 ft)
| underground shaft, weapons development
|
| 1.5 kt
|
| [1][3][4][5]
|
|
Tanya
| July 30, 1968 13:00:00.0
| PST (–8 hrs)
| NTS Area U2dt 37.13317°N 116.08312°W / 37.13317; -116.08312 (Tanya)
| 1,271 m (4,170 ft) – 381 m (1,250 ft)
| underground shaft, weapons development
|
| 20 kt
| Venting detected, 140 Ci (5,200 GBq)
| [1][3][4][5][6][7]
|
|
Imp
| August 9, 1968 13:00:00.0
| PST (–8 hrs)
| NTS Area U2bj 37.16176°N 116.07808°W / 37.16176; -116.07808 (Imp)
| 1,314 m (4,311 ft) – 178.46 m (585.5 ft)
| underground shaft, weapons development
|
| 350 t
| Venting detected on site, 4.2 kCi (160 TBq)
| [1][3][4][5][6][7]
|
|
Rack
| August 15, 1968 17:00:00.0
| PST (–8 hrs)
| NTS Area U9ap 37.12373°N 116.0491°W / 37.12373; -116.0491 (Rack)
| 1,254 m (4,114 ft) – 199.72 m (655.2 ft)
| underground shaft, weapons development
|
| 1 kt
| Venting detected, 10 Ci (370 GBq)
| [1][3][4][5][7]
|
|
Diana Moon
| August 27, 1968 16:30:00.04
| PST (–8 hrs)
| NTS Area U11e 36.87718°N 115.93195°W / 36.87718; -115.93195 (Diana Moon)
| 1,004 m (3,294 ft) – 242.01 m (794.0 ft)
| underground shaft, weapon effect
|
| 9 kt
| Venting detected on site, 12 kCi (440 TBq)
| [1][4][5][6][7][8]
|
|
Sled
| August 29, 1968 22:45:00.04
| PST (–8 hrs)
| NTS Area U19j 37.25028°N 116.34777°W / 37.25028; -116.34777 (Sled)
| 2,057 m (6,749 ft) – 728.88 m (2,391.3 ft)
| underground shaft, weapons development
|
| 200 kt
|
| [1][3][4][5][9]
|
|
Noggin
| September 6, 1968 14:00:00.13
| PST (–8 hrs)
| NTS Area U9bx 37.13597°N 116.04824°W / 37.13597; -116.04824 (Noggin)
| 1,259 m (4,131 ft) – 581.99 m (1,909.4 ft)
| underground shaft, weapons development
|
| 120 kt
| Venting detected, 16 Ci (590 GBq)
| [1][4][5][6][7][8]
|
|
Knife-A
| September 12, 1968 14:00:00.04
| PST (–8 hrs)
| NTS Area U3fb 37.03178°N 116.01237°W / 37.03178; -116.01237 (Knife-A)
| 1,190 m (3,900 ft) – 331.8 m (1,089 ft)
| underground shaft, weapons development
|
| 20 kt
|
| [1][4][5]
|
|
Stoddard
| September 17, 1968 14:00:00.04
| PST (–8 hrs)
| NTS Area U2cms 37.11981°N 116.12835°W / 37.11981; -116.12835 (Stoddard)
| 1,370 m (4,490 ft) – 467.87 m (1,535.0 ft)
| underground shaft, peaceful research
|
| 31 kt
| Venting detected, 16 Ci (590 GBq)
| [1][4][5][6][7][8]
| Project Plowshare – clean excavation device development.
|
Hudson Seal
| September 24, 1968 17:05:01.09
| PST (–8 hrs)
| NTS Area U12n.04 37.20473°N 116.20727°W / 37.20473; -116.20727 (Hudson Seal)
| 2,168 m (7,113 ft) – 344.42 m (1,130.0 ft)
| tunnel, weapon effect
|
| 20 kt
|
| [1][3][4][5][9]
|
|
Welder
| October 3, 1968 14:00:00.04
| PST (–8 hrs)
| NTS Area U3fs 37.04665°N 116.03048°W / 37.04665; -116.03048 (Welder)
| 1,199 m (3,934 ft) – 117.66 m (386.0 ft)
| underground shaft, safety experiment
|
| less than 20 kt
|
| [1][4][5]
|
|
Knife-C
| October 3, 1968 14:29:00.04
| PST (–8 hrs)
| NTS Area U3er 37.02591°N 115.99396°W / 37.02591; -115.99396 (Knife-C)
| 1,201 m (3,940 ft) – 301.44 m (989.0 ft)
| underground shaft, weapons development
|
| 3 kt
|
| [1][3][4][5][8]
|
|
Vat
| October 10, 1968 14:30:00.04
| PST (–8 hrs)
| NTS Area U9cf 37.13327°N 116.04318°W / 37.13327; -116.04318 (Vat)
| 1,256 m (4,121 ft) – 194.92 m (639.5 ft)
| underground shaft, weapons development
|
| 1 kt
|
| [1][3][4][5]
|
|
Hula
| October 29, 1968 15:36:00.09
| PST (–8 hrs)
| NTS Area U9bu 37.11321°N 116.0418°W / 37.11321; -116.0418 (Hula)
| 1,254 m (4,114 ft) – 198.46 m (651.1 ft)
| underground shaft, weapons development
|
| 250 t
| Venting detected on site, 7 Ci (260 GBq)
| [1][3][4][5][6][7]
|
|
Bit - 1
| October 31, 1968 18:30:00.04
| PST (–8 hrs)
| NTS Area U3gt 37.04701°N 116.03021°W / 37.04701; -116.03021 (Bit - 1)
| 1,199 m (3,934 ft) – 148.31 m (486.6 ft)
| underground shaft, safety experiment
|
| 1 kt
|
| [1][3][4][5]
| simultaneous, separate holes.
|
Bit - 2
| October 31, 1968 18:30:00.04
| PST (–8 hrs)
| NTS Area U3gt 37.04699°N 116.03034°W / 37.04699; -116.03034 (Bit - 2)
| 1,199 m (3,934 ft) +
| underground shaft, safety experiment
|
| less than 20 kt
|
| [1][4][5]
| simultaneous, separate holes.
|
File
| October 31, 1968 18:30:00.04
| PST (–8 hrs)
| NTS Area U3gb 37.01708°N 116.03649°W / 37.01708; -116.03649 (File)
| 1,185 m (3,888 ft) – 228.95 m (751.1 ft)
| underground shaft, weapons development
|
| 7 kt
|
| [1][4][5]
|
|
Crew - 1
| November 4, 1968 15:15:00.09
| PST (–8 hrs)
| NTS Area U2db 37.13043°N 116.08738°W / 37.13043; -116.08738 (Crew - 1)
| 1,287 m (4,222 ft) – 603.5 m (1,980 ft)
| underground shaft, weapons development
|
| 22 kt
|
| [1][3][4][5][8]
| Simultaneous, same hole.
|
Crew - 2
| November 4, 1968 15:16:00.09
| PST (–8 hrs)
| NTS Area U2db 37.13042°N 116.08738°W / 37.13042; -116.08738 (Crew - 2)
| 1,287 m (4,222 ft) +
| underground shaft, weapons development
|
| less than 20 kt
|
| [1][4][5]
| Simultaneous, same hole.
|
Crew - 3
| November 4, 1968 15:16:00.09
| PST (–8 hrs)
| NTS Area U2db 37.13042°N 116.08738°W / 37.13042; -116.08738 (Crew - 3)
| 1,287 m (4,222 ft) +
| underground shaft, weapons development
|
| less than 20 kt
|
| [1][3][4][5]
| Simultaneous, same hole.
|
Auger
| November 15, 1968 15:30:00.04
| PST (–8 hrs)
| NTS Area U3fx 37.04765°N 116.00058°W / 37.04765; -116.00058 (Auger)
| 1,222 m (4,009 ft) – 240.62 m (789.4 ft)
| underground shaft, weapons development
|
| 1 kt
|
| [1][3][4][5]
|
|
Knife-B
| November 15, 1968 15:45:00.04
| PST (–8 hrs)
| NTS Area U3dz 37.02609°N 116.03412°W / 37.02609; -116.03412 (Knife-B)
| 1,188 m (3,898 ft) – 362.94 m (1,190.7 ft)
| underground shaft, weapons development
|
| 8 kt
|
| [1][3][4][5][8]
|
|
Ming Vase
| November 20, 1968 18:00:00.03
| PST (–8 hrs)
| NTS Area U16a.04 37.00973°N 116.2072°W / 37.00973; -116.2072 (Ming Vase)
| 1,931 m (6,335 ft) – 307.94 m (1,010.3 ft)
| tunnel, weapon effect
|
| 16 kt
|
| [1][3][4][5][9]
|
|
Tinderbox
| November 22, 1968 16:19:00.04
| PST (–8 hrs)
| NTS Area U9az 37.13987°N 116.04312°W / 37.13987; -116.04312 (Tinderbox)
| 1,261 m (4,137 ft) – 439.52 m (1,442.0 ft)
| underground shaft, weapons development
|
| 3 kt
| Venting detected, 2 Ci (74 GBq)
| [1][3][4][5][6][7]
|
|
Schooner
| December 8, 1968 16:00:00.14
| PST (–8 hrs)
| NTS Area U20u 37.34326°N 116.56661°W / 37.34326; -116.56661 (Schooner)
| 1,668 m (5,472 ft) – 111.22 m (364.9 ft)
| cratering, peaceful research
|
| 30 kt
| Venting detected off site, 3.7 MCi (140 PBq)
| [1][4][5][6][7][10]
| Plowshare – excavation experiment in hard, dry rock.
|
Bay Leaf
| December 12, 1968 15:00:00.04
| PST (–8 hrs)
| NTS Area U3gq 37.04702°N 116.03104°W / 37.04702; -116.03104 (Bay Leaf)
| 1,199 m (3,934 ft) – 130.16 m (427.0 ft)
| underground shaft, safety experiment
|
| less than 20 kt
|
| [1][4][5]
| simultaneous, separate holes.
|
Tyg - 1
| December 12, 1968 15:10:00.08
| PST (–8 hrs)
| NTS Area U2dc1e 37.1209°N 116.08145°W / 37.1209; -116.08145 (Tyg - 1)
| 1,273 m (4,177 ft) – 228.3 m (749 ft)
| underground shaft, weapons development
|
| 20 kt
| Venting detected on site, 6.8 kCi (250 TBq)
| [1][3][4][5][6][7]
|
|
Tyg - 2
| December 12, 1968 15:10:00.08
| PST (–8 hrs)
| NTS Area U2dc2d 37.11758°N 116.08035°W / 37.11758; -116.08035 (Tyg - 2)
| 1,270 m (4,170 ft) – 251 m (823 ft)
| underground shaft, weapons development
|
| 3 kt
| Venting detected on site
| [1][4][5][6][7][11]
|
|
Tyg - 3
| December 12, 1968 15:10:00.08
| PST (–8 hrs)
| NTS Area U2dc3c 37.11804°N 116.07788°W / 37.11804; -116.07788 (Tyg - 3)
| 1,268 m (4,160 ft) – 228.3 m (749 ft)
| underground shaft, weapons development
|
| 2 kt
| Venting detected on site
| [1][4][5][6][7][11]
|
|
Tyg - 4
| December 12, 1968 15:10:00.08
| PST (–8 hrs)
| NTS Area U2dc4a 37.12124°N 116.0791°W / 37.12124; -116.0791 (Tyg - 4)
| 1,272 m (4,173 ft) +
| underground shaft, weapons development
|
| 1 kt
| Venting detected on site
| [1][4][5][6]
|
|
Tyg - 5
| December 12, 1968 15:10:00.08
| PST (–8 hrs)
| NTS Area U2dc5b 37.11985°N 116.07744°W / 37.11985; -116.07744 (Tyg - 5)
| 1,270 m (4,170 ft) +
| underground shaft, weapons development
|
| 3 kt
| Venting detected on site
| [1][4][5][6]
|
|
Tyg - 6
| December 12, 1968 15:10:00.08
| PST (–8 hrs)
| NTS Area U2dc6f 37.11879°N 116.08278°W / 37.11879; -116.08278 (Tyg - 6)
| 1,273 m (4,177 ft) +
| underground shaft, weapons development
|
| 4 kt
| Venting detected on site
| [1][4][5][6]
|
|
Scissors
| December 12, 1968 15:20:00.04
| PST (–8 hrs)
| NTS Area U3gh 37.00391°N 116.04°W / 37.00391; -116.04 (Scissors)
| 1,181 m (3,875 ft) – 240.58 m (789.3 ft)
| underground shaft, weapons development
|
| 1 kt
| Venting detected on site
| [1][3][4][5][6][7]
|
|
Benham
| December 19, 1968 16:30:00.04
| PST (–8 hrs)
| NTS Area U20c - 37.23142°N 116.47448°W / 37.23142; -116.47448 (Benham)
| 1,887 m (6,191 ft) – 1,402.08 m (4,600.0 ft)
| underground shaft, weapons development
|
| 1.2 Mt
|
| [1][4][5]
|
|
Packard
| January 15, 1969 19:00:00.07
| PST (–8 hrs)
| NTS Area U2u 37.14787°N 116.06654°W / 37.14787; -116.06654 (Packard)
| 1,288 m (4,226 ft) – 246.89 m (810.0 ft)
| underground shaft, weapon effect
|
| 10 kt
| Venting detected on site, 7 Ci (260 GBq)
| [1][4][5][6][7][8]
|
|
Wineskin
| January 15, 1969 19:30:00.04
| PST (–8 hrs)
| NTS Area U12r 37.20909°N 116.22627°W / 37.20909; -116.22627 (Wineskin)
| 2,263 m (7,425 ft) – 518.16 m (1,700.0 ft)
| underground shaft, weapons development
|
| 40 kt
|
| [1][3][4][5][9]
|
|
Shave
| January 22, 1969 15:00:00.04
| PST (–8 hrs)
| NTS Area U3gk 37.01544°N 115.99516°W / 37.01544; -115.99516 (Shave)
| 1,191 m (3,907 ft) – 240.75 m (789.9 ft)
| underground shaft, weapons development
|
| 2 kt
|
| [1][3][4][5]
|
|
Vise
| January 30, 1969 15:00:00.038
| PST (–8 hrs)
| NTS Area U3ej 37.0533°N 116.02998°W / 37.0533; -116.02998 (Vise)
| 1,204 m (3,950 ft) – 454.06 m (1,489.7 ft)
| underground shaft, weapons development
|
| 20 kt
|
| [1][4][5][8][9]
|
|
Biggin
| January 30, 1969 15:17:00.12
| PST (–8 hrs)
| NTS Area U9bz 37.13326°N 116.04113°W / 37.13326; -116.04113 (Biggin)
| 1,257 m (4,124 ft) – 242.32 m (795.0 ft)
| underground shaft, weapons development
|
| less than 20 kt
|
| [1][4][5]
|
|
Nipper
| February 4, 1969 15:00:00.04
| PST (–8 hrs)
| NTS Area U3gl 37.00262°N 116.01°W / 37.00262; -116.01 (Nipper)
| 1,178 m (3,865 ft) – 240.73 m (789.8 ft)
| underground shaft, weapons development
|
| less than 20 kt
|
| [1][4][5]
|
|
Winch
| February 4, 1969 15:00:00.04
| PST (–8 hrs)
| NTS Area U3gf 37.00941°N 116.04304°W / 37.00941; -116.04304 (Winch)
| 1,185 m (3,888 ft) – 240.63 m (789.5 ft)
| underground shaft, weapons development
|
| 600 t
|
| [1][3][4][5]
|
|
Cypress
| February 12, 1969 16:18:20.88
| PST (–8 hrs)
| NTS Area U12g.09 37.16901°N 116.2116°W / 37.16901; -116.2116 (Cypress)
| 2,265 m (7,431 ft) – 359.66 m (1,180.0 ft)
| tunnel, weapon effect
|
| 15 kt
|
| [1][3][4][5][9]
|
|
Valise
| March 18, 1969 14:30:00.12
| PST (–8 hrs)
| NTS Area U9by 37.13909°N 116.04171°W / 37.13909; -116.04171 (Valise)
| 1,261 m (4,137 ft) – 90.25 m (296.1 ft)
| underground shaft, safety experiment
|
| less than 20 kt
| Venting detected
| [1][4][5][7]
|
|
Chatty
| March 18, 1969 14:40:00.43
| PST (–8 hrs)
| NTS Area U2bn 37.16224°N 116.07679°W / 37.16224; -116.07679 (Chatty)
| 1,312 m (4,304 ft) – 194.77 m (639.0 ft)
| underground shaft, weapons development
|
| 800 t
| Venting detected, 0.7 Ci (26 GBq)
| [1][3][4][5][7]
|
|
Barsac
| March 20, 1969 18:12:00.04
| PST (–8 hrs)
| NTS Area U3gc 37.02203°N 116.03098°W / 37.02203; -116.03098 (Barsac)
| 1,187 m (3,894 ft) – 304.13 m (997.8 ft)
| underground shaft, weapons development
|
| 10 kt
| Venting detected on site, 43 Ci (1,600 GBq)
| [1][3][4][5][6][8]
|
|
Coffer
| March 21, 1969 14:30:00.41
| PST (–8 hrs)
| NTS Area U2de 37.13325°N 116.0876°W / 37.13325; -116.0876 (Coffer)
| 1,291 m (4,236 ft) – 464.82 m (1,525.0 ft)
| underground shaft, weapons development
|
| 26 kt
| Venting detected, 10 Ci (370 GBq)
| [1][3][4][5][6][7]
|
|
Gourd-Amber - 1
| April 24, 1969 13:04:00.14
| PST (–8 hrs)
| NTS Area U2bf 37.16393°N 116.08061°W / 37.16393; -116.08061 (Gourd-Amber - 1)
| 1,320 m (4,330 ft) – 181.3 m (595 ft)
| underground shaft, weapons development
|
| 800 t
|
| [1][3][4][5][11]
| simultaneous, separate holes.
|
Gourd-Brown - 2
| April 24, 1969 13:04:00.14
| PST (–8 hrs)
| NTS Area U2bl 37.15998°N 116.08186°W / 37.15998; -116.08186 (Gourd-Brown - 2)
| 1,317 m (4,321 ft) +
| underground shaft, weapons development
|
| less than 20 kt
|
| [1][4][5]
| simultaneous, separate holes.
|
Blenton
| April 30, 1969 17:00:00.04
| PST (–8 hrs)
| NTS Area U7p 37.08145°N 116.01481°W / 37.08145; -116.01481 (Blenton)
| 1,255 m (4,117 ft) – 557.73 m (1,829.8 ft)
| underground shaft, weapons development
|
| 51 kt
| Venting detected on site
| [1][4][5][6][7][9]
|
|
Thistle
| April 30, 1969 17:00:00.04
| PST (–8 hrs)
| NTS Area U7t 37.09023°N 116.00651°W / 37.09023; -116.00651 (Thistle)
| 1,281 m (4,203 ft) – 560.47 m (1,838.8 ft)
| underground shaft, weapons development
|
| 38 kt
|
| [1][4][5][9]
|
|
Purse
| May 7, 1969 13:45:00.04
| PST (–8 hrs)
| NTS Area U20v 37.28283°N 116.50153°W / 37.28283; -116.50153 (Purse)
| 1,828 m (5,997 ft) – 598.75 m (1,964.4 ft)
| underground shaft, weapons development
|
| 90 kt
|
| [1][3][4][5][8]
|
|
Aliment
| May 15, 1969 18:00:00.04
| PST (–8 hrs)
| NTS Area U2gj 37.01185°N 115.98583°W / 37.01185; -115.98583 (Aliment)
| 1,207 m (3,960 ft) – 240.51 m (789.1 ft)
| underground shaft, weapons development
|
| 2 kt
|
| [1][3][4][5]
|
|
Ipecac - 1
| May 27, 1969 14:00:00.04
| PST (–8 hrs)
| NTS Area U3hka 37.01498°N 116.00292°W / 37.01498; -116.00292 (Ipecac - 1)
| 1,181 m (3,875 ft) – 124.18 m (407.4 ft)
| underground shaft, safety experiment
|
| less than 20 kt
| Venting detected on site
| [1][4][5][6][7]
| simultaneous, separate holes.
|
Ipecac - 2
| May 27, 1969 14:00:00.04
| PST (–8 hrs)
| NTS Area U3hkb 37.01482°N 116.00086°W / 37.01482; -116.00086 (Ipecac - 2)
| 1,182 m (3,878 ft) +
| underground shaft, safety experiment
|
| less than 20 kt
| Venting detected on site
| [1][4][5][6]
| simultaneous, separate holes.
|
Torrido
| May 27, 1969 14:15:00.04
| PST (–8 hrs)
| NTS Area U7w 37.07506°N 115.99617°W / 37.07506; -115.99617 (Torrido)
| 1,270 m (4,170 ft) – 514.72 m (1,688.7 ft)
| underground shaft, weapons development
|
| 22 kt
|
| [1][4][5][8][9]
|
|
Tapper
| June 12, 1969 14:00:00.04
| PST (–8 hrs)
| NTS Area U3go 37.00879°N 116.03109°W / 37.00879; -116.03109 (Tapper)
| 1,181 m (3,875 ft) – 303 m (994 ft)
| underground shaft, weapons development
|
| 10 kt
| Venting detected on site
| [1][3][4][5][6][8]
|
|
Bowl - 1
| June 26, 1969 16:00:00.13
| PST (–8 hrs)
| NTS Area U2bo1 37.16244°N 116.07949°W / 37.16244; -116.07949 (Bowl - 1)
| 1,316 m (4,318 ft) – 198.12 m (650.0 ft)
| underground shaft, weapons development
|
| 2 kt
|
| [1][3][4][5]
| simultaneous, separate holes.
|
Bowl - 2
| June 26, 1969 16:00:00.13
| PST (–8 hrs)
| NTS Area U2bo2 37.16072°N 116.0801°W / 37.16072; -116.0801 (Bowl - 2)
| 1,315 m (4,314 ft) +
| underground shaft, weapons development
|
| 3 kt
|
| [1][4][5]
| simultaneous, separate holes.
|