| Tinderbox | |
|---|---|
Huron King test chamber | |
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| Information | |
| Country | United States |
| Test site |
|
| Period | 1979–1980 |
| Number of tests | 14 |
| Test type | underground shaft |
| Max. yield | 140kilotonnes of TNT (590 TJ) |
| Test series chronology | |
Operation Tinderbox[1] was a series of 14nuclear tests conducted by the United States in 1979–1980 at theNevada Test Site. These tests followed theOperation Quicksilver series and preceded theOperation Guardian series.

| Name[note 1] | Date time (UT) | Localtime zone[note 2][2] | Location[note 3] | Elevation + height[note 4] | Delivery[note 5] Purpose[note 6] | Device[note 7] | Yield[note 8] | Fallout[note 9] | References | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| Backgammon | November 29, 1979 15:00:00.096 | PST (–8 hrs) | NTS Area U3jh36°59′38″N116°01′29″W / 36.99395°N 116.02484°W /36.99395; -116.02484 (Backgammon) | 1,175 m (3,855 ft) – 228.72 m (750.4 ft) | underground shaft, weapons development | 800 t | [1][3][4] | |||
| Azul | December 14, 1979 18:00:00.09 | PST (–8 hrs) | NTS Area U2em37°08′14″N116°03′50″W / 37.13732°N 116.06394°W /37.13732; -116.06394 (Azul) | 1,275 m (4,183 ft) – 205 m (673 ft) | underground shaft, weapons development | less than 20 kt | [1][3][4] | Destroyed theAnvil/Peninsula device that was damaged during placement. | ||
| Tarko | February 28, 1980 15:00:00.093 | PST (–8 hrs) | NTS Area U2fd37°07′36″N116°05′22″W / 37.12655°N 116.08946°W /37.12655; -116.08946 (Tarko) | 1,280 m (4,200 ft) – 369 m (1,211 ft) | underground shaft, weapons development | 5 kt | Venting detected, 50 Ci (1,800 GBq) | [1][3][4][5][6][7] | ||
| Norbo | March 8, 1980 15:35:00.09 | PST (–8 hrs) | NTS Area U8c37°10′48″N116°05′02″W / 37.17989°N 116.08399°W /37.17989; -116.08399 (Norbo) | 1,349 m (4,426 ft) – 271 m (889 ft) | underground shaft, weapons development | 1 kt | I-131 venting detected, 0 | [1][3][4][5][7] | ||
| Liptauer | April 3, 1980 14:00:00.089 | PST (–8 hrs) | NTS Area U2eh37°08′59″N116°04′59″W / 37.14983°N 116.08313°W /37.14983; -116.08313 (Liptauer) | 1,304 m (4,278 ft) – 417 m (1,368 ft) | underground shaft, weapons development | 20 kt | [1][3][4] | |||
| Pyramid | April 16, 1980 20:00:00.089 | PST (–8 hrs) | NTS Area U7be37°06′04″N116°01′53″W / 37.10107°N 116.0314°W /37.10107; -116.0314 (Pyramid) | 1,266 m (4,154 ft) – 579.1 m (1,900 ft) | underground shaft, weapons development | 89 kt | [1][3][4][6][8] | |||
| Canfield | May 2, 1980 18:46:30.092 | PST (–8 hrs) | NTS Area U3kx37°03′22″N116°01′11″W / 37.05598°N 116.0197°W /37.05598; -116.0197 (Canfield) | 1,211 m (3,973 ft) – 350.5 m (1,150 ft) | underground shaft, weapons development | 6 kt | [1][3][4] | |||
| Flora | May 22, 1980 13:00:00.089 | PST (–8 hrs) | NTS Area U3lg37°00′11″N116°01′56″W / 37.00304°N 116.03214°W /37.00304; -116.03214 (Flora) | 1,179 m (3,868 ft) – 335.6 m (1,101 ft) | underground shaft, weapons development | less than 20 kt | Venting detected, 1 kCi (37 TBq) | [1][3][4][5][7] | ||
| Kash | June 12, 1980 17:15:00.09 | PST (–8 hrs) | NTS Area U20af37°16′54″N116°27′17″W / 37.2816°N 116.45474°W /37.2816; -116.45474 (Kash) | 1,911 m (6,270 ft) – 645 m (2,116 ft) | underground shaft, weapons development | 140 kt | Venting detected | [1][3][4][7] | ||
| Huron King | June 24, 1980 15:10:00.07 | PST (–8 hrs) | NTS Area U3ky37°01′24″N116°02′06″W / 37.02328°N 116.03491°W /37.02328; -116.03491 (Huron King) | 1,187 m (3,894 ft) – 320.04 m (1,050.0 ft) | underground shaft, weapon effect | 6 kt | [1][3][4][9] | Radiation and EMP effects shot through a mockupDSCS satellite on the surface, which was then towed off the collapsing cap.Picture of the test chamber. It is still on the NE lip of the test's crater. | ||
| Tafi | July 25, 1980 19:05:00.082 | PST (–8 hrs) | NTS Area U20ae37°15′23″N116°28′42″W / 37.25627°N 116.47829°W /37.25627; -116.47829 (Tafi) | 1,859 m (6,099 ft) – 680 m (2,230 ft) | underground shaft, weapons development | 140 kt | Venting detected | [1][3][4][7] | ||
| Verdello | July 31, 1980 18:19:00.092 | PST (–8 hrs) | NTS Area U3ku37°00′47″N116°01′25″W / 37.013°N 116.02361°W /37.013; -116.02361 (Verdello) | 1,183 m (3,881 ft) – 365.76 m (1,200.0 ft) | underground shaft, weapons development | 3.5 kt | Venting detected, 45 Ci (1,700 GBq) | [1][3][4][5][6][7] | ||
| Bonarda | September 25, 1980 14:45:00.094 | PST (–8 hrs) | NTS Area U3gv37°03′22″N116°02′56″W / 37.05609°N 116.0489°W /37.05609; -116.0489 (Bonarda) | 1,209 m (3,967 ft) – 381 m (1,250 ft) | underground shaft, weapons development | 20 kt | [1][3][4] | |||
| Riola | September 25, 1980 15:26:30.084 | PST (–8 hrs) | NTS Area U2eq37°07′01″N116°03′57″W / 37.11684°N 116.0659°W /37.11684; -116.0659 (Riola) | 1,254 m (4,114 ft) – 424 m (1,391 ft) | underground shaft, weapons development | 1.1 kt | Venting detected off site, 2.2 kCi (81 TBq) | [1][3][4][5][7][8] |