1978 Soviet nuclear tests

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1978
File:Nuclear Blast Animation Rising Mushroom Cloud.gif
Nuclear blast animation
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Information
CountrySoviet Union
Test siteAtyrau, Kazakhstan; Balapan, Semipalatinsk, Kazakhstan; Degelen, Semipalatinsk, Kazakhstan; Khanty-Mansi, Russia; Krasnoyarsk, Russia; NZ Area B, Matochkin Shar, Novaya Zemlya, Russia; Sakha, Russia; Sary-Uzen/Murzhik, Semipalatinsk, Kazakhstan
Period1978
Number of tests31
Test typeunderground shaft, tunnel
Max. yield180 kilotonnes of TNT (750 TJ)
Test series chronology

The Soviet Union's 1978 nuclear test series[1] was a group of 31 nuclear tests conducted in 1978. These tests[note 1] followed the 1977 Soviet nuclear tests series and preceded the 1979 Soviet nuclear tests series.

Soviet Union's 1978 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
481 19 March 1978 03:46:59.82 ALMT (6 hrs)
Sary-Uzen/Murzhik, Semipalatinsk, Kazakhstan: 2691 Lua error: callParserFunction: function "#coordinates" was not found. 460 m (1,510 ft) + underground shaft,
weapons development
13 kt [1][3][4][5][6]
482 – 1 26 March 1978 03:56:59.96 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 701 Lua error: callParserFunction: function "#coordinates" was not found. 704 m (2,310 ft) – 260 m (850 ft) tunnel,
weapons development
30 kt [1][3][4][5][6]
482 – 2 26 March 1978 03:57:00.0 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 701 Lua error: callParserFunction: function "#coordinates" was not found. 704 m (2,310 ft) + tunnel,
weapons development
unknown yield [1][3][5][6][7]
483 – 1 22 April 1978 03:07:00.01 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 204 Lua error: callParserFunction: function "#coordinates" was not found. 579 m (1,900 ft) + tunnel,
weapons development
20 kt [1][3][4][5][6]
483 – 2 22 April 1978 03:07:00.0 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 204 Lua error: callParserFunction: function "#coordinates" was not found. 579 m (1,900 ft) + tunnel,
weapons development
unknown yield [1][3][5][6][7]
483 – 3 22 April 1978 03:07:00.0 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 204 Lua error: callParserFunction: function "#coordinates" was not found. 579 m (1,900 ft) + tunnel,
weapons development
unknown yield [1][3][5][6][7]
484 24 May 1978 03:07:00 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 185p Lua error: callParserFunction: function "#coordinates" was not found. 394 m (1,293 ft) + tunnel,
safety experiment
1000 kg [1][3][5][6][7]
485 29 May 1978 04:56:59.85 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 133p Lua error: callParserFunction: function "#coordinates" was not found. 686 m (2,251 ft) + tunnel,
weapon effect
3 kt [1][3][4][5][6]
486 2 June 1978 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 185-pp Lua error: callParserFunction: function "#coordinates" was not found. 394 m (1,293 ft) + tunnel,
safety experiment
1000 kg [1][3][5][6][7]
487 11 June 1978 02:57:00.14 ALMT (6 hrs)
Balapan, Semipalatinsk, Kazakhstan: 1010 Lua error: callParserFunction: function "#coordinates" was not found. 330 m (1,080 ft) + underground shaft,
weapons development
58 kt [1][3][4][5][6]
488 5 July 1978 02:47:00.05 ALMT (6 hrs)
Balapan, Semipalatinsk, Kazakhstan: 1077 Lua error: callParserFunction: function "#coordinates" was not found. 330 m (1,080 ft) + underground shaft,
weapons development
87 kt [1][3][4][5][6]
489 – 1 28 July 1978 02:46:59.89 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 104 Lua error: callParserFunction: function "#coordinates" was not found. 623 m (2,044 ft) + tunnel,
weapons development
60 kt [1][3][4][5][6]
489 – 2 28 July 1978 02:46:59.9 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 104 Lua error: callParserFunction: function "#coordinates" was not found. 623 m (2,044 ft) + tunnel,
weapons development
unknown yield [1][3][5][6][7]
489 – 3 28 July 1978 02:46:59.9 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 104 Lua error: callParserFunction: function "#coordinates" was not found. 623 m (2,044 ft) + tunnel,
weapons development
unknown yield [1][3][5][6][7]
489 – 4 28 July 1978 02:46:59.9 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 104 Lua error: callParserFunction: function "#coordinates" was not found. 623 m (2,044 ft) + tunnel,
weapons development
unknown yield [1][3][5][6][7]
489 – 5 28 July 1978 02:46:59.9 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 104 Lua error: callParserFunction: function "#coordinates" was not found. 623 m (2,044 ft) + tunnel,
weapons development
unknown yield [1][3][5][6][7]
490 Kraton 4 (Craton) 9 August 1978 18:00:00.8 YAKT (9 hrs)
Sakha, Russia: KR-4 Lua error: callParserFunction: function "#coordinates" was not found. – 560 m (1,840 ft) underground shaft,
seismic sounding
22 kt [1][4][5][6][7] Seismic probing program.
491 – 1 10 August 1978 07:59:57.93 MSK (3 hrs)
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-18 Lua error: callParserFunction: function "#coordinates" was not found. 100 m (330 ft) + tunnel,
weapons development
180 kt [1][4][5][6][8]
491 – 2 10 August 1978 07:59:57.9 MSK (3 hrs)
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-18 Lua error: callParserFunction: function "#coordinates" was not found. 100 m (330 ft) + tunnel,
weapons development
unknown yield [1][5][6][7][9]
491 – 3 10 August 1978 07:59:57.9 MSK (3 hrs)
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-18 Lua error: callParserFunction: function "#coordinates" was not found. 100 m (330 ft) + tunnel,
weapons development
unknown yield [1][5][6][7][9]
491 – 4 10 August 1978 07:59:57.9 MSK (3 hrs)
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-18 Lua error: callParserFunction: function "#coordinates" was not found. 100 m (330 ft) + tunnel,
weapons development
unknown yield [1][5][6][7][9]
491 – 5 10 August 1978 07:59:57.9 MSK (3 hrs)
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-18 Lua error: callParserFunction: function "#coordinates" was not found. 100 m (330 ft) – 500 m (1,600 ft) tunnel,
weapons development
unknown yield Venting detected on site, 70 Ci (2,600 GBq) [1][5][6][7][9]
491 – 6 10 August 1978 07:59:57.9 MSK (3 hrs)
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-18 Lua error: callParserFunction: function "#coordinates" was not found. 100 m (330 ft) + tunnel,
fundamental science
unknown yield [1][5][6][7][9]
492 Kraton 3 (Craton) 24 August 1978 18:00:00.4 YAKT (9 hrs)
Sakha, Russia: KR-3 Lua error: callParserFunction: function "#coordinates" was not found. – 577 m (1,893 ft) underground shaft,
seismic sounding
22 kt Venting detected [1][4][5][6][7]
493 – 1 29 August 1978 02:36:59.95 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 107 Lua error: callParserFunction: function "#coordinates" was not found. 770 m (2,530 ft) + tunnel,
weapons development
14 kt [1][3][4][5][6]
493 – 2 29 August 1978 02:37:00.0 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 107 Lua error: callParserFunction: function "#coordinates" was not found. 770 m (2,530 ft) + tunnel,
weapons development
unknown yield [1][3][5][6][7]
493 – 3 29 August 1978 02:37:00.0 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 107 Lua error: callParserFunction: function "#coordinates" was not found. 770 m (2,530 ft) + tunnel,
safety experiment
1000 kg [1][3][5][6][7]
494 29 August 1978 02:37:08.75 ALMT (6 hrs)
Balapan, Semipalatinsk, Kazakhstan: 1228 Lua error: callParserFunction: function "#coordinates" was not found. 330 m (1,080 ft) + underground shaft,
weapons development
119 kt [1][3][4][5][6]
495 Galit A2.4 (Halite) 12 September 1978 04:59:58.5 SHET (5 hrs)
Atyrau, Kazakhstan: A-II-5 Lua error: callParserFunction: function "#coordinates" was not found. – 600 m (2,000 ft) underground shaft,
industrial
80 t [1][5][6][7][9] Create reservoirs for gas storage. A fizzle.
496 15 September 1978 02:36:59.97 ALMT (6 hrs)
Balapan, Semipalatinsk, Kazakhstan: 1211 Lua error: callParserFunction: function "#coordinates" was not found. 330 m (1,080 ft) + underground shaft,
weapons development
81 kt [1][3][4][5][6]
497 20 September 1978 05:03:00.0 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 605p Lua error: callParserFunction: function "#coordinates" was not found. 660 m (2,170 ft) + tunnel,
weapon effect
1.1 kt [1][3][4][5][6]
498 Kraton 2 (Craton) 21 September 1978 15:00:00.2 KRAT (7 hrs)
Krasnoyarsk, Russia: KR-2 Lua error: callParserFunction: function "#coordinates" was not found. – 890 m (2,920 ft) underground shaft,
seismic sounding
15 kt [1][4][5][6][7] Seismic probing program.
499 – 1 27 September 1978 02:04:58.6 MSK (3 hrs)
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-19 Lua error: callParserFunction: function "#coordinates" was not found. 100 m (330 ft) – 350 m (1,150 ft) tunnel,
weapons development
60 kt [1][4][5][6][8]
499 – 2 27 September 1978 02:04:58.6 MSK (3 hrs)
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-19 Lua error: callParserFunction: function "#coordinates" was not found. 100 m (330 ft) + tunnel,
weapons development
unknown yield [1][5][6][7][9]
499 – 3 27 September 1978 02:04:58.6 MSK (3 hrs)
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-19 Lua error: callParserFunction: function "#coordinates" was not found. 100 m (330 ft) + tunnel,
weapons development
unknown yield [1][5][6][7][9]
499 – 4 27 September 1978 02:04:58.6 MSK (3 hrs)
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-19 Lua error: callParserFunction: function "#coordinates" was not found. 100 m (330 ft) + tunnel,
weapons development
unknown yield [1][5][6][7][9]
499 – 5 27 September 1978 02:04:58.6 MSK (3 hrs)
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-19 Lua error: callParserFunction: function "#coordinates" was not found. 100 m (330 ft) + tunnel,
weapons development
unknown yield [1][5][6][7][9]
499 – 6 27 September 1978 02:04:58.6 MSK (3 hrs)
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-19 Lua error: callParserFunction: function "#coordinates" was not found. 100 m (330 ft) + tunnel,
weapons development
unknown yield [1][5][6][7][9]
499 – 7 27 September 1978 02:04:58.6 MSK (3 hrs)
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-19 Lua error: callParserFunction: function "#coordinates" was not found. 100 m (330 ft) + tunnel,
safety experiment
1000 kg [1][5][6][7][9]
500 Vyatka (Neva) 8 October 1978 00:00:?? YAKT (9 hrs)
Sakha, Russia: 43 Lua error: callParserFunction: function "#coordinates" was not found. – 1,545 m (5,069 ft) underground shaft,
oil stimulation
15 kt [1][4][5][6][7]
501 15 October 1978 05:37:00.14 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 200ASM Lua error: callParserFunction: function "#coordinates" was not found. 645 m (2,116 ft) + tunnel,
weapon effect
12 kt [1][3][4][5][6]
502 Galit A7 (Halite) – 1 17 October 1978 04:59:59.1 SHET (5 hrs)
Atyrau, Kazakhstan: A-VII Lua error: callParserFunction: function "#coordinates" was not found. – 1,040 m (3,410 ft) underground shaft,
cavity excavation
56 kt [1][3][4][5][6] Create reservoirs for gas storage.
502 Galit A7 (Halite) – 2 17 October 1978 04:59:59.1 SHET (5 hrs)
Atyrau, Kazakhstan: A-VII Lua error: callParserFunction: function "#coordinates" was not found. + underground shaft,
cavity excavation
18 kt [1][3][5][6][7] Create reservoirs for gas storage.
503 Kraton 1 (Craton) 17 October 1978 14:00:00.2 SVET (5 hrs)
Khanty-Mansi, Russia: KR-1 Lua error: callParserFunction: function "#coordinates" was not found. – 593 m (1,946 ft) underground shaft,
seismic sounding
22 kt [1][4][5][6][7] Seismic probing program.
504 31 October 1978 04:17:00.19 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 194 Lua error: callParserFunction: function "#coordinates" was not found. 638 m (2,093 ft) + tunnel,
fundamental science
16 kt [1][3][4][5][6]
505 – 1 4 November 1978 05:05:59.86 ALMT (6 hrs)
Balapan, Semipalatinsk, Kazakhstan: 1302 Lua error: callParserFunction: function "#coordinates" was not found. 330 m (1,080 ft) + underground shaft,
weapons development
44 kt [1][3][4][5][6]
505 – 2 4 November 1978 05:05:59.9 ALMT (6 hrs)
Balapan, Semipalatinsk, Kazakhstan: 1302 Lua error: callParserFunction: function "#coordinates" was not found. 330 m (1,080 ft) + underground shaft,
weapons development
unknown yield [1][3][5][6][10]
506 – 1 29 November 1978 04:33:00.17 ALMT (6 hrs)
Balapan, Semipalatinsk, Kazakhstan: 1222 Lua error: callParserFunction: function "#coordinates" was not found. 330 m (1,080 ft) + underground shaft,
weapons development
101 kt [1][3][4][5][6]
506 – 2 29 November 1978 04:33:00.2 ALMT (6 hrs)
Balapan, Semipalatinsk, Kazakhstan: 1222 Lua error: callParserFunction: function "#coordinates" was not found. 330 m (1,080 ft) + underground shaft,
weapons development
unknown yield [1][3][5][6][7]
507 29 November 1978 04:33:04.99 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 162 Lua error: callParserFunction: function "#coordinates" was not found. 750 m (2,460 ft) + tunnel,
weapons development
110 kt [1][3][4][5][6]
508 Galit A2.5 (Halite) 30 November 1978 07:59:59.1 SHET (5 hrs)
Atyrau, Kazakhstan: A-II-6 Lua error: callParserFunction: function "#coordinates" was not found. – 600 m (2,000 ft) underground shaft,
industrial
6 t [1][5][6][7][9] Create reservoirs for gas storage. A fizzle.
509 14 December 1978 04:43:00.03 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 113p Lua error: callParserFunction: function "#coordinates" was not found. 768 m (2,520 ft) + tunnel,
weapons development
4 kt [1][3][4][5][6]
510 Galit A9 (Halite) 18 December 1978 07:59:58.5 SHET (5 hrs)
Atyrau, Kazakhstan: A-IX Lua error: callParserFunction: function "#coordinates" was not found. – 630 m (2,070 ft) underground shaft,
cavity excavation
103 kt [1][4][5][6][7] Create reservoirs for gas storage.
511 – 1 20 December 1978 04:33:00.04 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 803p Lua error: callParserFunction: function "#coordinates" was not found. 722 m (2,369 ft) + tunnel,
weapons development
3.5 kt [1][3][4][5][6]
511 – 2 20 December 1978 04:33:00.0 ALMT (6 hrs)
Degelen, Semipalatinsk, Kazakhstan: 803p Lua error: callParserFunction: function "#coordinates" was not found. 722 m (2,369 ft) + tunnel,
weapons development
unknown yield [1][3][5][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 Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  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. Historical time zone data obtained from the IANA time zone database.
  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

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  1. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  2. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  3. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  4. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  5. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  6. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value). The official Russian list of Soviet tests.
  7. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  8. ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  9. ^ a b c d e f g h i j k l m Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  10. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).