Operation Quicksilver (1978)

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Quicksilver
Information
Country United States
Test site NTS Area 19, 20, Pahute Mesa; NTS, Areas 1-4, 6-10, Yucca Flat
Period 1978-1979
Number of tests 16
Test type underground shaft
Max. yield 140 kilotonnes of TNT (590 TJ)
Navigation
Previous test series Operation Cresset
Next test series Operation Tinderbox

Operation Quicksilver[1] was a series of 16 nuclear tests conducted by the United States in 1978-1979 at the Nevada Test Site. These tests followed the Operation Cresset series and preceded the Operation Tinderbox series.

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See also: List of nuclear weapons tests of the United States
United States' Quicksilver series tests and detonations
Name [note 1] Date time (UT) Local time 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
Emmenthal 2 November 1978 15:25:00.169 PST (-8 hrs)
 NTS Area U19t Lua error in package.lua at line 80: module 'strict' not found. 2,104 m (6,903 ft) - 576.1 m (1,890 ft) underground shaft,
weapons development		 2.5 kt [1][3][4]
Concentration 1 December 1978 17:07:30.073 PST (-8 hrs)
 NTS Area U3kn Lua error in package.lua at line 80: module 'strict' not found. 1,189 m (3,901 ft) - 247.59 m (812.3 ft) underground shaft,
weapons development		 600 t [1][3][4][5][6]
Farm 16 December 1978 15:30:00.158 PST (-8 hrs)
 NTS Area U20ab Lua error in package.lua at line 80: module 'strict' not found. 1,979 m (6,493 ft) - 689 m (2,260 ft) underground shaft,
weapons development		 140 kt Venting detected [1][3][4][7]
Baccarat 24 January 1979 18:00:00.1 PST (-8 hrs)
 NTS Area U7ax Lua error in package.lua at line 80: module 'strict' not found. 1,311 m (4,301 ft) - 326.44 m (1,071.0 ft) underground shaft,
weapons development		 6 kt [1][3][4]
Quinella 8 February 1979 20:00:00.089 PST (-8 hrs)
 NTS Area U4l Lua error in package.lua at line 80: module 'strict' not found. 1,241 m (4,072 ft) - 579.1 m (1,900 ft) underground shaft,
weapons development		 89 kt [1][3][4][5][8]
Kloster 15 February 1979 18:05:00.165 PST (-8 hrs)
 NTS Area U2eo Lua error in package.lua at line 80: module 'strict' not found. 1,297 m (4,255 ft) - 536.4 m (1,760 ft) underground shaft,
weapons development		 20 kt Venting detected [1][3][4][7][8][9]
Memory 14 March 1979 18:30:00.095 PST (-8 hrs)
 NTS Area U3kg Lua error in package.lua at line 80: module 'strict' not found. 1,190 m (3,900 ft) - 364.85 m (1,197.0 ft) underground shaft,
weapons development		 5 kt [1][3][4]
Freezeout 11 May 1979 16:00:00.102 PST (-8 hrs)
 NTS Area U3kw Lua error in package.lua at line 80: module 'strict' not found. 1,177 m (3,862 ft) - 335.3 m (1,100 ft) underground shaft,
weapons development		 5 kt [1][3][4][5][6]
Pepato 11 June 1979 14:00:00.17 PST (-8 hrs)
 NTS Area U20ad Lua error in package.lua at line 80: module 'strict' not found. 1,913 m (6,276 ft) - 681 m (2,234 ft) underground shaft,
weapons development		 100 kt I-131 venting detected, 0 [1][3][4][7][9]
Chess 20 June 1979 15:00:13.542 PST (-8 hrs)
 NTS Area U7at Lua error in package.lua at line 80: module 'strict' not found. 1,309 m (4,295 ft) - 335.3 m (1,100 ft) underground shaft,
weapons development		 1.5 kt [1][3][4]
Fajy 28 June 1979 14:44:00.167 PST (-8 hrs)
 NTS Area U2fc Lua error in package.lua at line 80: module 'strict' not found. 1,303 m (4,275 ft) - 536 m (1,759 ft) underground shaft,
weapons development		 22 kt I-131 venting detected, 0 [1][3][4][7][8][9]
Burzet 3 August 1979 15:07:30.164 PST (-8 hrs)
 NTS Area U4ai Lua error in package.lua at line 80: module 'strict' not found. 1,235 m (4,052 ft) - 450 m (1,480 ft) underground shaft,
weapons development		 20 kt Venting detected [1][3][4][7][8]
Offshore 8 August 1979 15:00:00.112 PST (-8 hrs)
 NTS Area U3ks Lua error in package.lua at line 80: module 'strict' not found. 1,182 m (3,878 ft) - 396.54 m (1,301.0 ft) underground shaft,
weapons development		 20 kt [1][3][4][5][8]
Hearts 6 September 1979 15:00:00.089 PST (-8 hrs)
 NTS Area U4n Lua error in package.lua at line 80: module 'strict' not found. 1,232 m (4,042 ft) - 640.02 m (2,099.8 ft) underground shaft,
weapons development		 140 kt [1][3][4][5][8] Destroyed Cresset/Transom device which didn't detonate.
Pera 8 September 1979 17:02:00.09 PST (-8 hrs)
 NTS Area U10bd Lua error in package.lua at line 80: module 'strict' not found. 1,280 m (4,200 ft) - 200 m (660 ft) underground shaft,
weapons development		 5 kt [1][3][4]
Sheepshead 26 September 1979 15:00:00.091 PST (-8 hrs)
 NTS Area U19aa Lua error in package.lua at line 80: module 'strict' not found. 2,033 m (6,670 ft) - 640 m (2,100 ft) underground shaft,
weapons development		 140 kt [1][3][4]
  1. ↑ 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.
  2. ↑ 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:
  3. ↑ 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.
  4. ↑ 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.
  5. ↑ 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.
  6. ↑ Include weapons development, weapon effects, safety test, transport safety test, war, science, joint verification and industrial/peaceful, which may be further broken down.
  7. ↑ 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.
  8. ↑ Estimated energy yield in tons, kilotons, and megatons. A ton of TNT equivalent is defined as 4.184 gigajoules (1 gigacalorie).
  9. ↑ 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 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 3.14 3.15 Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ 4.00 4.01 4.02 4.03 4.04 4.05 4.06 4.07 4.08 4.09 4.10 4.11 4.12 4.13 4.14 4.15 Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ 5.0 5.1 5.2 5.3 5.4 Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ 6.0 6.1 Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ 7.0 7.1 7.2 7.3 7.4 Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ 8.0 8.1 8.2 8.3 8.4 8.5 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.
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