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Series of 1970s US nuclear tests From Wikipedia, the free encyclopedia
The United States's Emery nuclear test series[1] was a group of 16 nuclear weapons tests conducted in 1970 and 1971. These tests [note 1] followed the Operation Mandrel series and preceded the Operation Grommet series.
Operation Emery | |
---|---|
Information | |
Country | United States |
Test site |
|
Period | 1970–1971 |
Number of tests | 16 |
Test type | underground shaft, tunnel |
Max. yield | 220 kilotonnes of TNT (920 TJ) |
Test series chronology | |
The underground Baneberry test vented into the atmosphere. For descriptions, see Yucca Flat#Baneberry and List of military nuclear accidents#1970s
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 |
---|---|---|---|---|---|---|---|---|---|---|
Scree-Acajou - 1 | October 13, 1970 15:05:00.02 | PST (–8 hrs) | NTS Area U9itsx24 37.1374°N 116.03491°W | 1,269 m (4,163 ft) – 249.33 m (818.0 ft) | underground shaft, weapons development |
1 kt | Venting detected on site, 11 Ci (410 GBq) | [1][3][4][5][6][7] | Simultaneous, separate holes. | |
Scree-Alhambra - 2 | October 13, 1970 15:05:00.02 | PST (–8 hrs) | NTS Area U9itsz21 37.13406°N 116.0324°W | 1,273 m (4,177 ft) – 192 m (630 ft) | underground shaft, weapons development |
2 kt | Venting detected on site | [1][3][4][6][7][8] | Simultaneous, separate holes. | |
Scree-Chamois - 3 | October 13, 1970 15:05:00.02 | PST (–8 hrs) | NTS Area U9itsz24 37.13733°N 116.03217°W | 1,275 m (4,183 ft) + | underground shaft, safety experiment |
less than 20 kt | Venting detected on site | [1][3][6][7] | Simultaneous, separate holes. | |
Tijeras | October 14, 1970 14:30:00.04 | PST (–8 hrs) | NTS Area U7y 37.07085°N 116.00566°W | 1,249 m (4,098 ft) – 560.62 m (1,839.3 ft) | underground shaft, weapons development |
89 kt | [1][6][7][9][10] | |||
Truchas-Chacon - 1 | October 28, 1970 14:30:00.03 | PST (–8 hrs) | NTS Area U3hn 37.01401°N 116.01867°W | 1,182 m (3,878 ft) – 118.38 m (388.4 ft) | underground shaft, safety experiment |
unknown yield | Venting detected on site | [1][3][6][7] | Simultaneous, separate holes. | |
Truchas-Chamisal - 2 | October 28, 1970 14:30:00.04 | PST (–8 hrs) | NTS Area U3ho 37.01398°N 116.01799°W | 1,182 m (3,878 ft) – 118 m (387 ft) | underground shaft, safety experiment |
unknown yield | Venting detected on site, 3 Ci (110 GBq) | [1][3][4][6][7] | Simultaneous, separate holes. | |
Truchas-Rodarte - 3 | October 28, 1970 14:30:00.04 | PST (–8 hrs) | NTS Area U3hm 37.01479°N 116.02007°W | 1,183 m (3,881 ft) + | underground shaft, weapons development |
8 kt | Venting detected on site | [1][3][6][7] | Simultaneous, separate holes. | |
Abeytas | November 5, 1970 15:00:00.04 | PST (–8 hrs) | NTS Area U3gx 37.02947°N 116.01244°W | 1,188 m (3,898 ft) – 393.46 m (1,290.9 ft) | underground shaft, weapons development |
20 kt | [1][6][7][9][10] | |||
Penasco | November 19, 1970 15:00:00.04 | PST (–8 hrs) | NTS Area U3hl 37.01474°N 116.01665°W | 1,183 m (3,881 ft) – 270.92 m (888.8 ft) | underground shaft, weapons development |
2 kt | [1][5][6][7][8] | |||
Carrizozo - 1 (with Corazon) | December 3, 1970 15:07:00.0 | PST (–8 hrs) | NTS Area U3hr 37.00608°N 116.04079°W | 1,183 m (3,881 ft) + | underground shaft, weapons development |
less than 20 kt | [1][6][7] | |||
Corazon - 2 (with Corrizozo) | December 3, 1970 15:07:00.04 | PST (–8 hrs) | NTS Area U3ha 37.00202°N 116.03865°W | 1,180 m (3,870 ft) – 241.12 m (791.1 ft) | underground shaft, weapons development |
100 t | [1][5][6][7] | |||
Artesia | December 16, 1970 16:00:00.09 | PST (–8 hrs) | NTS Area U7x 37.10012°N 116.00881°W | 1,302 m (4,272 ft) – 484.83 m (1,590.6 ft) | underground shaft, weapons development |
45 kt | [1][6][7][10] | |||
Avens-Alkermes - 2 | December 16, 1970 16:00:00.17 | PST (–8 hrs) | NTS Area U9itsu24 37.13737°N 116.03903°W | 1,262 m (4,140 ft) + | underground shaft, weapons development |
4 kt | Venting detected on site | [1][3][6][7] | Simultaneous, separate holes. | |
Avens-Andorre - 1 | December 16, 1970 16:00:00.17 | PST (–8 hrs) | NTS Area U9itst28 37.14173°N 116.04053°W | 1,264 m (4,147 ft) + | underground shaft, weapons development |
4 kt | Venting detected on site | [1][3][6][7] | Simultaneous, separate holes. | |
Avens-Asamite - 3 | December 16, 1970 16:00:00.17 | PST (–8 hrs) | NTS Area U9itsw21 37.13406°N 116.03632°W | 1,264 m (4,147 ft) + | underground shaft, weapons development |
4 kt | Venting detected on site | [1][3][6][7] | Simultaneous, separate holes. | |
Avens-Cream - 4 | December 16, 1970 16:00:00.17 | PST (–8 hrs) | NTS Area U9itsx29 37.1428°N 116.03502°W | 1,271 m (4,170 ft) – 292.91 m (961.0 ft) | underground shaft, weapons development |
20 kt | Venting detected on site, 66 Ci (2,400 GBq) | [1][3][4][6][7][10] | Simultaneous, separate holes. | |
Canjilon | December 16, 1970 16:00:00.05 | PST (–8 hrs) | NTS Area U3fq 37.07247°N 116.02586°W | 1,227 m (4,026 ft) – 302.19 m (991.4 ft) | underground shaft, weapons development |
less than 20 kt | [1][6][7] | |||
Carpetbag | December 17, 1970 16:05:00.16 | PST (–8 hrs) | NTS Area U2dg 37.12931°N 116.08365°W | 1,284 m (4,213 ft) – 661.42 m (2,170.0 ft) | underground shaft, weapons development |
220 kt | Venting detected, 5 Ci (180 GBq) | [1][3][4][6][7][10] | ||
Baneberry | December 18, 1970 15:30:00.2 | PST (–8 hrs) | NTS Area U8d 37.17309°N 116.09973°W | 1,367 m (4,485 ft) – 277.98 m (912.0 ft) | underground shaft, weapons development |
10 kt | Venting detected off site, 6.7 MCi (250 PBq) | [1][3][4][6][7][10][11] | 6-month moratorium caused by 6.7 MCi (250 PBq) escaped radioactivity in this test. | |
Embudo | June 16, 1971 14:50:00.04 | PST (–8 hrs) | NTS Area U3hd 37.03318°N 116.01435°W | 1,191 m (3,907 ft) – 303.06 m (994.3 ft) | underground shaft, weapons development |
18 kt | [1][5][6][7][10] | |||
Dexter | June 23, 1971 14:00:00.04 | PST (–8 hrs) | NTS Area U3hs 37.01319°N 116.01716°W | 1,182 m (3,878 ft) – 119.94 m (393.5 ft) | underground shaft, safety experiment |
less than 20 kt | [1][6][7] | |||
Laguna | June 23, 1971 15:30:00.04 | PST (–8 hrs) | NTS Area U3fd 37.02195°N 116.02345°W | 1,186 m (3,891 ft) – 454.92 m (1,492.5 ft) | underground shaft, weapons development |
20 kt | [1][6][7][9][10] | |||
Harebell | June 24, 1971 14:00:00.16 | PST (–8 hrs) | NTS Area U2br 37.14665°N 116.0677°W | 1,287 m (4,222 ft) – 518.77 m (1,702.0 ft) | underground shaft, weapons development |
38 kt | Venting detected, 840 Ci (31,000 GBq) | [1][3][4][6][7][10] | ||
Camphor | June 29, 1971 18:30:00.16 | PST (–8 hrs) | NTS Area U12g.10 37.17673°N 116.21237°W | 2,289 m (7,510 ft) – 423.67 m (1,390.0 ft) | tunnel, weapon effect |
20 kt | Venting detected on site, 220 Ci (8,100 GBq) | [1][3][4][6][7] |
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