Operation Arbor facts for kids
Quick facts for kids Operation Arbor |
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|---|---|
| Information | |
| Country | United States |
| Period | 1973–1974 |
| Number of tests | 18 |
| Test type | underground shaft, tunnel |
| Max. yield | 150 kilotonnes of TNT (630 TJ) |
The United States's Arbor nuclear test series was a group of 18 nuclear tests conducted in 1973–1974. These tests followed the Operation Toggle series and preceded the Operation Bedrock series.
| Name | Date time (UT) | Local time zone | Location | Elevation + height | Delivery Purpose |
Device | Yield | Fallout | References | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| Polygonum | October 2, 1973 14:30:00.166 | PST (–8 hrs) |
NTS Area U2by 37°09′33″N 116°04′27″W / 37.15903°N 116.07413°W | 1,304 m (4,278 ft) – 213.36 m (700.0 ft) | underground shaft, weapons development |
less than 20 kt | ||||
| Waller | October 2, 1973 15:15:00.164 | PST (–8 hrs) |
NTS Area U2bz 37°09′14″N 116°04′07″W / 37.15386°N 116.06858°W | 1,294 m (4,245 ft) – 310.9 m (1,020 ft) | underground shaft, weapons development |
1 kt | Venting detected, 3 Ci (110 GBq) | |||
| Husky Ace | October 12, 1973 17:00:00.08 | PST (–8 hrs) |
NTS Area U12n.07 37°12′01″N 116°12′15″W / 37.20034°N 116.20404°W | 2,238 m (7,343 ft) – 415.66 m (1,363.7 ft) | tunnel, weapon effect |
8 kt | ||||
| Bernal | November 28, 1973 15:30:00.08 | PST (–8 hrs) |
NTS Area U3jy 37°00′39″N 116°01′31″W / 37.01097°N 116.02523°W | 1,183 m (3,881 ft) – 285.29 m (936.0 ft) | underground shaft, weapons development |
5 kt | Venting detected, 0.1 Ci (3.7 GBq) | |||
| Pajara | December 12, 1973 19:00:00.1 | PST (–8 hrs) |
NTS Area U3ji 36°59′29″N 116°01′30″W / 36.99148°N 116.0251°W | 1,175 m (3,855 ft) – 278.17 m (912.6 ft) | underground shaft, weapons development |
5 kt | Venting detected, 5 Ci (180 GBq) | |||
| Seafoam | December 13, 1973 15:17:00.17 | PST (–8 hrs) |
NTS Area U2ea 37°09′41″N 116°04′26″W / 37.16135°N 116.07392°W | 1,306 m (4,285 ft) – 198.12 m (650.0 ft) | underground shaft, weapons development |
less than 20 kt | Venting detected, 5 Ci (180 GBq) | |||
| Spar | December 19, 1973 18:30:00.04 | PST (–8 hrs) |
NTS Area U3jr 37°00′21″N 116°01′11″W / 37.00575°N 116.01964°W | 1,180 m (3,870 ft) – 148.43 m (487.0 ft) | underground shaft, safety experiment |
less than 20 kt | ||||
| Elida | December 19, 1973 19:16:00.11 | PST (–8 hrs) |
NTS Area U3hy 37°00′04″N 116°01′56″W / 37.00109°N 116.03228°W | 1,178 m (3,865 ft) – 381.42 m (1,251.4 ft) | underground shaft, weapons development |
300 t | Venting detected, 0.8 Ci (30 GBq) | |||
| Pinedrops-Bayou - 2 | January 10, 1974 15:38:00.17 | PST (–8 hrs) |
NTS Area U10as 37°10′27″N 116°03′06″W / 37.17407°N 116.05167°W | 1,283 m (4,209 ft) – 343 m (1,125 ft) | underground shaft, weapons development |
less than 5 kt | Venting detected, 6 Ci (220 GBq) | Simultaneous, same hole. | ||
| Pinedrops-Sloat - 1 | January 10, 1974 15:38:00.17 | PST (–8 hrs) |
NTS Area U10as 37°10′27″N 116°03′06″W / 37.17407°N 116.05167°W | 1,283 m (4,209 ft) – 342.9 m (1,125 ft) | underground shaft, weapons development |
less than 5 kt | Simultaneous, same hole. | |||
| Pinedrops-Tawny - 3 | January 10, 1974 15:38:00.17 | PST (–8 hrs) |
NTS Area U10as 37°10′27″N 116°03′06″W / 37.17407°N 116.05167°W | 1,283 m (4,209 ft) + | underground shaft, weapons development |
less than 5 kt | Simultaneous, same hole. | |||
| Latir | February 27, 1974 17:00:00.09 | PST (–8 hrs) |
NTS Area U4d 37°06′16″N 116°03′14″W / 37.1044°N 116.05396°W | 1,243 m (4,078 ft) – 640.77 m (2,102.3 ft) | underground shaft, weapons development |
150 kt | ||||
| Hulsea | March 14, 1974 17:00:00.166 | PST (–8 hrs) |
NTS Area U2bx 37°09′18″N 116°03′54″W / 37.15508°N 116.06497°W | 1,289 m (4,229 ft) – 195.07 m (640.0 ft) | underground shaft, weapons development |
less than 20 kt | Venting detected, 67 Ci (2,500 GBq) | |||
| Sapello | April 12, 1974 15:15:00.08 | PST (–8 hrs) |
NTS Area U3ge 37°00′54″N 116°02′42″W / 37.01489°N 116.04501°W | 1,189 m (3,901 ft) – 180.74 m (593.0 ft) | underground shaft, weapons development |
less than 20 kt | ||||
| Portrero | April 23, 1974 15:13:00.161 | PST (–8 hrs) |
NTS Area U2eb 37°09′36″N 116°04′38″W / 37.15999°N 116.07736°W | 1,310 m (4,300 ft) – 210.31 m (690.0 ft) | underground shaft, weapons development |
500 t | ||||
| Plomo | May 1, 1974 14:02:00.21 | PST (–8 hrs) |
NTS Area U3ff 37°01′52″N 115°59′11″W / 37.03109°N 115.98633°W | 1,227 m (4,026 ft) – 149.35 m (490.0 ft) | underground shaft, weapons development |
less than 20 kt | ||||
| Jib | May 8, 1974 16:55:00.085 | PST (–8 hrs) |
NTS Area U3hb 37°00′03″N 116°00′08″W / 37.00095°N 116.00234°W | 1,177 m (3,862 ft) – 180.44 m (592.0 ft) | underground shaft, weapons development |
less than 20 kt | ||||
| Grove | May 22, 1974 14:15:00.169 | PST (–8 hrs) |
NTS Area U2ds 37°06′53″N 116°04′32″W / 37.11486°N 116.07544°W | 1,264 m (4,147 ft) – 313.94 m (1,030.0 ft) | underground shaft, weapons development |
2.5 kt | Venting detected, 26 Ci (960 GBq) | |||
| Jara | June 6, 1974 14:40:00.08 | PST (–8 hrs) |
NTS Area U3hp 37°00′14″N 116°01′27″W / 37.00383°N 116.02426°W | 1,180 m (3,870 ft) – 378.06 m (1,240.4 ft) | underground shaft, weapons development |
4 kt | Venting detected | |||
| Ming Blade | June 19, 1974 16:00:00.084 | PST (–8 hrs) |
NTS Area U12n.08 37°12′37″N 116°12′29″W / 37.21026°N 116.20813°W | 2,212 m (7,257 ft) – 387.65 m (1,271.8 ft) | tunnel, weapon effect |
20 kt |
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Operation Arbor Facts for Kids. Kiddle Encyclopedia.