Operation Anvil (nuclear test) facts for kids
Quick facts for kids Operation Anvil |
|
|---|---|
| Information | |
| Country | United States |
| Period | 1975–1976 |
| Number of tests | 21 |
| Test type | underground shaft, tunnel |
| Max. yield | 1 megatonne of TNT (4.2 PJ) |
Operation Anvil was a series of 21 nuclear tests conducted by the United States in 1975–1976 at the Nevada Test Site. These tests followed the Operation Bedrock series and preceded the Operation Fulcrum series.
| Name | Date time (UT) | Local time zone | Location | Elevation + height | Delivery Purpose |
Device | Yield | Fallout | References | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| Marsh | September 6, 1975 17:00:00.113 | PST (–8 hrs) |
NTS Area U3kb 37°01′25″N 116°01′45″W / 37.02362°N 116.02909°W | 1,187 m (3,894 ft) – 427.21 m (1,401.6 ft) | underground shaft, weapons development |
7 kt | ||||
| Peninsula (aborted) |
October 23, 1975 | PST (–8 hrs) |
NTS Area near U2em | 1,220 m (4,000 ft) + | underground shaft, |
no yield | Became stuck in shaft while being lowered; abandoned, later destroyed by Tinderbox/Azul. | |||
| Husky Pup | October 24, 1975 17:11:26.093 | PST (–8 hrs) |
NTS Area U12t.03 37°13′18″N 116°10′49″W / 37.22174°N 116.18019°W | 2,036 m (6,680 ft) – 327.96 m (1,076.0 ft) | tunnel, weapon effect |
15 kt | ||||
| Kasseri | October 28, 1975 14:30:00.16 | PST (–8 hrs) |
NTS Area U20z 37°17′24″N 116°24′45″W / 37.29°N 116.41244°W | 1,957 m (6,421 ft) – 1,264.92 m (4,150.0 ft) | underground shaft, weapons development |
B77 | 1 Mt | Venting detected | ||
| Deck | November 18, 1975 15:30:00.113 | PST (–8 hrs) |
NTS Area U3kd 37°01′13″N 116°01′17″W / 37.02031°N 116.02143°W | 1,185 m (3,888 ft) – 326.14 m (1,070.0 ft) | underground shaft, weapons development |
5 kt | ||||
| Inlet | November 20, 1975 15:00:00.093 | PST (–8 hrs) |
NTS Area U19f 37°13′30″N 116°22′06″W / 37.2249°N 116.36845°W | 2,025 m (6,644 ft) – 818.33 m (2,684.8 ft) | underground shaft, weapons development |
W78 | 500 kt | |||
| Leyden | November 26, 1975 15:30:00.163 | PST (–8 hrs) |
NTS Area U9cm 37°07′02″N 116°01′11″W / 37.11721°N 116.01975°W | 1,303 m (4,275 ft) – 326.11 m (1,069.9 ft) | underground shaft, weapons development |
5 kt | ||||
| Chiberta | December 20, 1975 20:00:00.164 | PST (–8 hrs) |
NTS Area U2ek 37°07′39″N 116°03′45″W / 37.1276°N 116.06244°W | 1,264 m (4,147 ft) – 716 m (2,349 ft) | underground shaft, weapons development |
B77 | 160 kt | |||
| Muenster | January 3, 1976 19:15:00.162 | PST (–8 hrs) |
NTS Area U19e 37°17′47″N 116°20′03″W / 37.2965°N 116.33407°W | 2,082 m (6,831 ft) – 1,452.4 m (4,765 ft) | underground shaft, weapons development |
800 kt | ||||
| Keelson | February 4, 1976 14:20:00.112 | PST (–8 hrs) |
NTS Area U7ai 37°04′09″N 116°01′52″W / 37.06921°N 116.03103°W | 1,218 m (3,996 ft) – 639.62 m (2,098.5 ft) | underground shaft, weapons development |
W76 | 150 kt | |||
| Esrom | February 4, 1976 14:40:00.163 | PST (–8 hrs) |
NTS Area U7ak 37°06′24″N 116°02′18″W / 37.10655°N 116.03829°W | 1,258 m (4,127 ft) – 654.6 m (2,148 ft) | underground shaft, weapons development |
B77 | 160 kt | Venting detected, 88 Ci (3,300 GBq) | ||
| Fontina | February 12, 1976 14:45:00.163 | PST (–8 hrs) |
NTS Area U20f 37°16′17″N 116°29′22″W / 37.27136°N 116.48934°W | 1,837 m (6,027 ft) – 1,219 m (3,999 ft) | underground shaft, weapons development |
900 kt | ||||
| Cheshire | February 14, 1976 11:30:00.162 | PST (–8 hrs) |
NTS Area U20n 37°14′33″N 116°25′16″W / 37.242611°N 116.42113°W | 1,947 m (6,388 ft) – 1,167 m (3,829 ft) | underground shaft, weapons development |
B77 | 350 kt | See Whetstone/Cambric. A test of groundwater mobility in moving buried radiaoactives, this time in volcanic rock/soil. | ||
| Shallows | February 26, 1976 14:50:00.091 | PST (–8 hrs) |
NTS Area U3jf 37°01′43″N 116°00′59″W / 37.02851°N 116.01649°W | 1,188 m (3,898 ft) – 244.85 m (803.3 ft) | underground shaft, weapons development |
W78 primary? | 2.5 kt | Venting detected | ||
| Estuary | March 9, 1976 14:00:00.094 | PST (–8 hrs) |
NTS Area U19g 37°18′34″N 116°21′56″W / 37.30955°N 116.36549°W | 2,025 m (6,644 ft) – 856.79 m (2,811.0 ft) | underground shaft, weapons development |
W78 | 350 kt | |||
| Colby | March 14, 1976 12:30:00.163 | PST (–8 hrs) |
NTS Area U20aa 37°18′21″N 116°28′21″W / 37.30594°N 116.47237°W | 1,904 m (6,247 ft) – 1,273.4 m (4,178 ft) | underground shaft, weapons development |
B77 | 800 kt | Venting detected, 44 Ci (1,600 GBq) | ||
| Pool | March 17, 1976 14:15:00.09 | PST (–8 hrs) |
NTS Area U19p 37°15′21″N 116°19′46″W / 37.25584°N 116.32946°W | 2,076 m (6,811 ft) – 881.18 m (2,891.0 ft) | underground shaft, weapons development |
W78 | 500 kt | |||
| Strait | March 17, 1976 14:45:00.091 | PST (–8 hrs) |
NTS Area U4a 37°06′26″N 116°03′16″W / 37.10716°N 116.05432°W | 1,243 m (4,078 ft) – 782.42 m (2,567.0 ft) | underground shaft, weapons development |
210 kt | ||||
| Mighty Epic | May 12, 1976 19:50:00.17 | PST (–8 hrs) |
NTS Area U12n.10 37°12′32″N 116°12′48″W / 37.20901°N 116.21333°W | 2,224 m (7,297 ft) – 396.24 m (1,300.0 ft) | tunnel, weapon effect |
20 kt | ||||
| Rivoli | May 20, 1976 17:30:00.162 | PST (–8 hrs) |
NTS Area U2eg 37°08′14″N 116°04′03″W / 37.13715°N 116.06745°W | 1,279 m (4,196 ft) – 199.64 m (655.0 ft) | underground shaft, weapons development |
W79 | 600 t | Venting detected | ||
| Billet | July 27, 1976 20:30:00.079 | PST (–8 hrs) |
NTS Area U7an 37°04′31″N 116°02′40″W / 37.07537°N 116.04456°W | 1,222 m (4,009 ft) – 636.57 m (2,088.5 ft) | underground shaft, weapons development |
B61 | 58 kt | I-131 venting detected, 0 |
All content from Kiddle encyclopedia articles (including the article images and facts) can be freely used under Attribution-ShareAlike license, unless stated otherwise. Cite this article:
Operation Anvil (nuclear test) Facts for Kids. Kiddle Encyclopedia.