Cresset | |
---|---|
Information | |
Country | United States |
Test site |
|
Period | 1977-1978 |
Number of tests | 22 |
Test type | underground shaft, tunnel |
Max. yield | 150 kilotonnes of TNT (630 TJ) |
Test series chronology | |
The United States's Cresset nuclear test series [1] was a group of 22 nuclear tests conducted in 1977-1978. These tests [note 1] followed the Operation Fulcrum series and preceded the Operation Quicksilver series.
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 |
---|---|---|---|---|---|---|---|---|---|---|
Bobstay | October 26, 1977 14:15:00.08 | PST (-8 hrs) | NTS Area U3jb 37°00′27″N116°01′03″W / 37.00759°N 116.01741°W | 1,180 m (3,870 ft) - 381.3 m (1,251 ft) | underground shaft, weapons development | 5 kt | I-131 venting detected, 0.000003 Ci (0.00011 GBq) | [1] [3] [4] [5] [6] [7] | ||
Hybla Gold | November 1, 1977 18:06:00.07 | PST (-8 hrs) | NTS Area U12e.20 37°11′16″N116°12′50″W / 37.18773°N 116.21384°W | 2,239 m (7,346 ft) - 384.99 m (1,263.1 ft) | tunnel, weapon effect | Test version of the W61 | 10 kt | I-131 venting detected, 0 | [1] [4] [5] [6] [7] [8] | Shot to test the MX missile shallow buried trench basing concept to see if a nearby nuclear fireball would cause the trench to act as a shock tube. |
Sandreef | November 9, 1977 22:00:00.075 | PST (-8 hrs) | NTS Area U7aq 37°04′20″N116°03′04″W / 37.07217°N 116.05115°W | 1,221 m (4,006 ft) - 700.74 m (2,299.0 ft) | underground shaft, weapons development | 150 kt | [1] [3] [6] [7] [9] | |||
Seamount | November 17, 1977 19:30:00.077 | PST (-8 hrs) | NTS Area U3kp 37°01′14″N116°01′33″W / 37.02055°N 116.02584°W | 1,186 m (3,891 ft) - 370.09 m (1,214.2 ft) | underground shaft, weapons development | 10 kt | [1] [6] [7] | |||
Rib | December 14, 1977 15:00:00.17 | PST (-8 hrs) | NTS Area U3jv 37°01′03″N116°01′07″W / 37.01752°N 116.01864°W | 1,184 m (3,885 ft) - 212.84 m (698.3 ft) | underground shaft, weapons development | 800 t | [1] [6] [7] [9] [10] | |||
Farallones | December 14, 1977 15:30:00.07 | PST (-8 hrs) | NTS Area U3fa 37°08′09″N116°05′12″W / 37.13573°N 116.08658°W | 1,290 m (4,230 ft) - 668 m (2,192 ft) | underground shaft, weapons development | 150 kt | Venting detected, 1 Ci (37 GBq) | [1] [3] [4] [5] [6] [7] | ||
Campos | February 13, 1978 21:53:00.162 | PST (-8 hrs) | NTS Area U9cp 37°07′34″N116°01′57″W / 37.12607°N 116.03261°W | 1,269 m (4,163 ft) - 319.6 m (1,049 ft) | underground shaft, weapons development | 800 t | Venting detected, 1.3 kCi (48 TBq) | [1] [4] [5] [6] [7] | ||
Reblochon | February 23, 1978 17:00:00.164 | PST (-8 hrs) | NTS Area U2en 37°07′25″N116°03′53″W / 37.12363°N 116.0647°W | 1,261 m (4,137 ft) - 658.4 m (2,160 ft) | underground shaft, weapons development | 120 kt | Venting detected, 36 Ci (1,300 GBq) | [1] [3] [4] [5] [6] [7] | ||
Karab | March 16, 1978 15:00:00.07 | PST (-8 hrs) | NTS Area U4ah 37°05′06″N116°04′57″W / 37.08512°N 116.08249°W | 1,247 m (4,091 ft) - 331 m (1,086 ft) | underground shaft, weapons development | 1.5 kt | Venting detected | [1] [5] [6] [7] | ||
Iceberg | March 23, 1978 16:30:00.2 | PST (-8 hrs) | NTS Area U4g 37°06′07″N116°03′08″W / 37.10182°N 116.05236°W | 1,239 m (4,065 ft) - 640.29 m (2,100.7 ft) | underground shaft, weapons development | 120 kt | [1] [3] [6] [7] [9] | |||
Topmast | March 23, 1978 16:30:00.114 | PST (-8 hrs) | NTS Area U7ay 37°05′56″N116°01′14″W / 37.09881°N 116.02049°W | 1,282 m (4,206 ft) - 457.81 m (1,502.0 ft) | underground shaft, weapons development | less than 20 kt | [1] [6] [7] | |||
Backbeach | April 11, 1978 17:45:00.073 | PST (-8 hrs) | NTS Area U19x 37°14′00″N116°22′10″W / 37.23344°N 116.36936°W | 2,040 m (6,690 ft) - 671.78 m (2,204.0 ft) | underground shaft, weapons development | 100 kt | [1] [6] [7] | |||
Asco | April 25, 1978 14:35:00.162 | PST (-8 hrs) | NTS Area U10bc 37°09′16″N116°02′08″W / 37.15452°N 116.03563°W | 1,285 m (4,216 ft) - 183 m (600 ft) | underground shaft, safety experiment | less than 20 kt | [1] [6] [7] | |||
Transom | May 10, 1978 15:00:00.07 | PST (-8 hrs) | NTS Area U4f 37°05′16″N116°03′13″W / 37.08773°N 116.0535°W | 1,231 m (4,039 ft) - 640 m (2,100 ft) | underground shaft, weapons development | no yield | [1] [6] [7] | Fizzle? Device destroyed by Quicksilver/Hearts detonation on 1979. | ||
Jackpots | June 1, 1978 17:00:00.075 | PST (-8 hrs) | NTS Area U3kj 37°01′14″N116°01′58″W / 37.02062°N 116.03267°W | 1,186 m (3,891 ft) - 304.22 m (998.1 ft) | underground shaft, weapons development | 600 t | [1] [6] [7] [10] | |||
Satz | July 7, 1978 14:00:00.167 | PST (-8 hrs) | NTS Area U2dq 37°06′43″N116°04′41″W / 37.11185°N 116.07796°W | 1,263 m (4,144 ft) - 315 m (1,033 ft) | underground shaft, weapons development | 1.5 kt | Venting detected | [1] [5] [6] [7] [9] | ||
Lowball | July 12, 1978 17:00:00.08 | PST (-8 hrs) | NTS Area U7av 37°04′43″N116°02′42″W / 37.07861°N 116.04493°W | 1,225 m (4,019 ft) - 564.88 m (1,853.3 ft) | underground shaft, weapons development | 99 kt | [1] [3] [6] [7] [9] | |||
Panir | August 31, 1978 14:00:00.164 | PST (-8 hrs) | NTS Area U19ys 37°16′33″N116°21′30″W / 37.27587°N 116.35823°W | 2,013 m (6,604 ft) - 681 m (2,234 ft) | underground shaft, weapons development | 140 kt | [1] [6] [7] | |||
Diablo Hawk | September 13, 1978 15:15:00.16 | PST (-8 hrs) | NTS Area U12n.10a 37°12′32″N116°12′42″W / 37.20875°N 116.21165°W | 2,212 m (7,257 ft) - 388 m (1,273 ft) | tunnel, weapon effect | Weapon effect on W87 warhead [11] | 8 kt | [1] [6] [7] [11] | ||
Cremino - 1 | September 27, 1978 16:30:00.165 | PST (-8 hrs) | NTS Area U8e 37°10′15″N116°05′17″W / 37.17096°N 116.08804°W | 1,341 m (4,400 ft) - 210 m (690 ft) | underground shaft, weapons development | 250 t | [1] [6] [7] [10] | Simultaneous, same hole. | ||
Cremino-Caerphilly - 2 | September 27, 1978 16:30:00.17 | PST (-8 hrs) | NTS Area U8e 37°10′15″N116°05′17″W / 37.17096°N 116.08804°W | 1,341 m (4,400 ft) + | underground shaft, weapons development | less than 20 kt | [1] [6] [7] | Simultaneous, same hole. | ||
Draughts | September 27, 1978 17:00:00.071 | PST (-8 hrs) | NTS Area U7al 37°04′26″N116°01′15″W / 37.07382°N 116.0207°W | 1,234 m (4,049 ft) - 441.59 m (1,448.8 ft) | underground shaft, weapons development | 25 kt | [1] [3] [6] [7] [9] | |||
Rummy | September 27, 1978 17:20:00.076 | PST (-8 hrs) | NTS Area U7au 37°04′47″N116°03′09″W / 37.07974°N 116.05253°W | 1,226 m (4,022 ft) - 639.78 m (2,099.0 ft) | underground shaft, weapons development | 150 kt | [1] [3] [6] [7] [9] |
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