Operation Emery

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Operation Emery
Operation Emery - Baneberry.jpg
Unexpected venting from the Baneberry nuclear test
Information
Country United States
Test site NTS Area 12, Rainier Mesa; NTS, Areas 1-4, 6-10, Yucca Flat
Period 1970-1971
Number of tests 16
Test type underground shaft, underground tunnel
Max. yield 220 kilotonnes of TNT (920 TJ)
Navigation
Previous test series Operation Mandrel
Next test series Operation Grommet

The United States's Emery nuclear test series[1] was a group of 16 nuclear tests conducted in 1970-1971. These tests [note 1] followed the Operation Mandrel series and preceded the Operation Grommet series.

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See also: List of nuclear weapons tests of the United States
United States' Emery series tests and detonations
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 13 October 1970 15:05:00.02 PST (-8 hrs)
 NTS Area U9itsx24 Lua error in package.lua at line 80: module 'strict' not found. 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 13 October 1970 15:05:00.02 PST (-8 hrs)
 NTS Area U9itsz21 Lua error in package.lua at line 80: module 'strict' not found. 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 13 October 1970 15:05:00.02 PST (-8 hrs)
 NTS Area U9itsz24 Lua error in package.lua at line 80: module 'strict' not found. 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 14 October 1970 14:30:00.04 PST (-8 hrs)
 NTS Area U7y Lua error in package.lua at line 80: module 'strict' not found. 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 28 October 1970 14:30:00.03 PST (-8 hrs)
 NTS Area U3hn Lua error in package.lua at line 80: module 'strict' not found. 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 28 October 1970 14:30:00.04 PST (-8 hrs)
 NTS Area U3ho Lua error in package.lua at line 80: module 'strict' not found. 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 28 October 1970 14:30:00.04 PST (-8 hrs)
 NTS Area U3hm Lua error in package.lua at line 80: module 'strict' not found. 1,183 m (3,881 ft) + underground shaft,
weapons development		 8 kt Venting detected on site [1][3][6][7] Simultaneous, separate holes.
Abeytas 5 November 1970 15:00:00.04 PST (-8 hrs)
 NTS Area U3gx Lua error in package.lua at line 80: module 'strict' not found. 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 19 November 1970 15:00:00.04 PST (-8 hrs)
 NTS Area U3hl Lua error in package.lua at line 80: module 'strict' not found. 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) 3 December 1970 15:07:00.0 PST (-8 hrs)
 NTS Area U3hr Lua error in package.lua at line 80: module 'strict' not found. 1,183 m (3,881 ft) + underground shaft,
weapons development		 less than 20 kt [1][6][7]
Corazon - 2 (with Corrizozo) 3 December 1970 15:07:00.04 PST (-8 hrs)
 NTS Area U3ha Lua error in package.lua at line 80: module 'strict' not found. 1,180 m (3,870 ft) - 241.12 m (791.1 ft) underground shaft,
weapons development		 100 t [1][5][6][7]
Artesia 16 December 1970 16:00:00.09 PST (-8 hrs)
 NTS Area U7x Lua error in package.lua at line 80: module 'strict' not found. 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 16 December 1970 16:00:00.17 PST (-8 hrs)
 NTS Area U9itsu24 Lua error in package.lua at line 80: module 'strict' not found. 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 16 December 1970 16:00:00.17 PST (-8 hrs)
 NTS Area U9itst28 Lua error in package.lua at line 80: module 'strict' not found. 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 16 December 1970 16:00:00.17 PST (-8 hrs)
 NTS Area U9itsw21 Lua error in package.lua at line 80: module 'strict' not found. 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 16 December 1970 16:00:00.17 PST (-8 hrs)
 NTS Area U9itsx29 Lua error in package.lua at line 80: module 'strict' not found. 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 16 December 1970 16:00:00.05 PST (-8 hrs)
 NTS Area U3fq Lua error in package.lua at line 80: module 'strict' not found. 1,227 m (4,026 ft) - 302.19 m (991.4 ft) underground shaft,
weapons development		 less than 20 kt [1][6][7]
Carpetbag 17 December 1970 16:05:00.16 PST (-8 hrs)
 NTS Area U2dg Lua error in package.lua at line 80: module 'strict' not found. 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 18 December 1970 15:30:00.2 PST (-8 hrs)
 NTS Area U8d Lua error in package.lua at line 80: module 'strict' not found. 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 16 June 1971 14:50:00.04 PST (-8 hrs)
 NTS Area U3hd Lua error in package.lua at line 80: module 'strict' not found. 1,191 m (3,907 ft) - 303.06 m (994.3 ft) underground shaft,
weapons development		 18 kt [1][5][6][7][10]
Dexter 23 June 1971 14:00:00.04 PST (-8 hrs)
 NTS Area U3hs Lua error in package.lua at line 80: module 'strict' not found. 1,182 m (3,878 ft) - 119.94 m (393.5 ft) underground shaft,
safety experiment		 less than 20 kt [1][6][7]
Laguna 23 June 1971 15:30:00.04 PST (-8 hrs)
 NTS Area U3fd Lua error in package.lua at line 80: module 'strict' not found. 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 24 June 1971 14:00:00.16 PST (-8 hrs)
 NTS Area U2br Lua error in package.lua at line 80: module 'strict' not found. 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 29 June 1971 18:30:00.16 PST (-8 hrs)
 NTS Area U12g.10 Lua error in package.lua at line 80: module 'strict' not found. 2,289 m (7,510 ft) - 423.67 m (1,390.0 ft) underground tunnel,
weapon effect		 20 kt Venting detected on site, 220 Ci (8,100 GBq) [1][3][4][6][7]
  1. ↑ A bomb test may be a salvo test, defined as two or more explosions "where a period of time between successive individual explosions does not exceed 5 seconds and where the burial points of all explosive devices can be connected by segments of straight lines, each of them connecting two burial points and does not exceed 40 kilometers in length". Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ The US, France and Great Britain have code-named their test events, while the USSR and China did not, and therefore have only test numbers (with some exceptions – Soviet peaceful explosions were named). Word translations into English in parentheses unless the name is a proper noun. A dash followed by a number indicates a member of a salvo event. The US also sometimes named the individual explosions in such a salvo test, which results in "name1 – 1(with name2)". If test is canceled or aborted, then the row data like date and location discloses the intended plans, where known.
  3. ↑ To convert the UT time into standard local, add the number of hours in parentheses to the UT time; for local daylight saving time, add one additional hour. If the result is earlier than 00:00, add 24 hours and subtract 1 from the day; if it is 24:00 or later, subtract 24 hours and add 1 to the day. All historical timezone data are derived from here:
  4. ↑ Rough place name and a latitude/longitude reference; for rocket-carried tests, the launch location is specified before the detonation location, if known. Some locations are extremely accurate; others (like airdrops and space blasts) may be quite inaccurate. "~" indicates a likely pro-forma rough location, shared with other tests in that same area.
  5. ↑ Elevation is the ground level at the point directly below the explosion relative to sea level; height is the additional distance added or subtracted by tower, balloon, shaft, tunnel, air drop or other contrivance. For rocket bursts the ground level is "N/A". In some cases it is not clear if the height is absolute or relative to ground, for example, Plumbbob/John. No number or units indicates the value is unknown, while "0" means zero. Sorting on this column is by elevation and height added together.
  6. ↑ Atmospheric, airdrop, balloon, gun, cruise missile, rocket, surface, tower, and barge are all disallowed by the Partial Nuclear Test Ban Treaty. Sealed shaft and tunnel are underground, and remained useful under the PTBT. Intentional cratering tests are borderline; they occurred under the treaty, were sometimes protested, and generally overlooked if the test was declared to be a peaceful use.
  7. ↑ Include weapons development, weapon effects, safety test, transport safety test, war, science, joint verification and industrial/peaceful, which may be further broken down.
  8. ↑ Designations for test items where known, "?" indicates some uncertainty about the preceding value, nicknames for particular devices in quotes. This category of information is often not officially disclosed.
  9. ↑ Estimated energy yield in tons, kilotons, and megatons. A ton of TNT equivalent is defined as 4.184 gigajoules (1 gigacalorie).
  10. ↑ Radioactive emission to the atmosphere aside from prompt neutrons, where known. The measured species is only iodine-131 if mentioned, otherwise it is all species. No entry means unknown, probably none if underground and "all" if not; otherwise notation for whether measured on the site only or off the site, where known, and the measured amount of radioactivity released.

References

  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21 1.22 1.23 1.24 Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 3.12 3.13 Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ 5.0 5.1 5.2 5.3 Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ 6.00 6.01 6.02 6.03 6.04 6.05 6.06 6.07 6.08 6.09 6.10 6.11 6.12 6.13 6.14 6.15 6.16 6.17 6.18 6.19 6.20 6.21 6.22 6.23 Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ 7.00 7.01 7.02 7.03 7.04 7.05 7.06 7.07 7.08 7.09 7.10 7.11 7.12 7.13 7.14 7.15 7.16 7.17 7.18 7.19 7.20 7.21 7.22 7.23 Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ 8.0 8.1 Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ 9.0 9.1 9.2 Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ 10.0 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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