The Soviet Union's 1975 nuclear test series[1] was a group of 19 nuclear tests conducted in 1975. These tests [note 1] followed the 1974 Soviet nuclear tests series and preceded the 1976 Soviet nuclear tests series.
1975 | |
---|---|
Information | |
Country | Soviet Union |
Test site | Atyrau, Kazakhstan; Balapan, Semipalatinsk, Kazakhstan; Degelen, Semipalatinsk, Kazakhstan; Krasnoyarsk, Russia; NZ Area A, Chyornaya Guba, Novaya Zemlya, Russia; NZ Area B, Matochkin Shar, Novaya Zemlya, Russia; Sakha, Russia |
Period | 1975 |
Number of tests | 19 |
Test type | underground shaft, tunnel |
Max. yield | 1.3 megatonnes of TNT (5.4 PJ) |
Test series chronology | |
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 |
---|---|---|---|---|---|---|---|---|---|---|
417 - 1 | 20 February 1975 05:33:00.0 | ALMT (6 hrs) |
Degelen, Semipalatinsk, Kazakhstan: 163 49°46′42″N 78°00′11″E / 49.77837°N 78.00296°E | 749 m (2,457 ft) + | tunnel, weapon effect |
unknown yield | [1][3][4][5][6] | |||
417 - 2 | 20 February 1975 05:33:00.0 | ALMT (6 hrs) |
Degelen, Semipalatinsk, Kazakhstan: 163 49°46′42″N 78°00′11″E / 49.77837°N 78.00296°E | 749 m (2,457 ft) + | tunnel, weapon effect |
unknown yield | [1][3][4][5][6] | |||
417 - 3 | 20 February 1975 05:33:00.0 | ALMT (6 hrs) |
Degelen, Semipalatinsk, Kazakhstan: 163 49°46′42″N 78°00′11″E / 49.77837°N 78.00296°E | 749 m (2,457 ft) + | tunnel, weapon effect |
unknown yield | [1][3][4][5][6] | |||
418 | 20 February 1975 05:33:?? | ALMT (6 hrs) |
Degelen, Semipalatinsk, Kazakhstan: 156 49°47′43″N 78°00′30″E / 49.79516°N 78.0084°E | 665 m (2,182 ft) + | tunnel, weapon effect |
55 kt | [1][4][5][6][7] | |||
419 | 11 March 1975 05:43:00.1 | ALMT (6 hrs) |
Degelen, Semipalatinsk, Kazakhstan: 101 49°44′46″N 78°06′22″E / 49.7462°N 78.106°E | 650 m (2,130 ft) + | tunnel, weapons development |
24 kt | [1][4][5][6][7] | |||
420 Galit A2.1 (Halite) | 25 April 1975 05:00:00.0 | SHET (5 hrs) |
Atyrau, Kazakhstan: A-II-2 47°54′32″N 47°54′43″E / 47.909°N 47.912°E | – 600 m (2,000 ft) | underground shaft, industrial |
350 t | [1][3][5][6][7] | A-II, in cavity produced by #280. | ||
421 | 27 April 1975 05:36:59.78 | ALMT (6 hrs) |
Balapan, Semipalatinsk, Kazakhstan: 1205 49°56′24″N 78°54′22″E / 49.94006°N 78.90611°E | 330 m (1,080 ft) + | underground shaft, weapons development |
29 kt | [1][4][5][6][7] | |||
422 | 8 June 1975 03:27:00.0 | ALMT (6 hrs) |
Degelen, Semipalatinsk, Kazakhstan: 165 49°45′38″N 78°00′45″E / 49.7606°N 78.0125°E | 722 m (2,369 ft) + | tunnel, peaceful research |
32 kt | [1][4][5][6][7] | |||
423 | 30 June 1975 03:27:00.25 | ALMT (6 hrs) |
Balapan, Semipalatinsk, Kazakhstan: A 49°59′10″N 78°53′45″E / 49.9862°N 78.89576°E | 330 m (1,080 ft) + | underground shaft, weapons development |
8 kt | [1][4][5][6][7] | |||
424 - 1 | 15 July 1975 02:57:00.0 | ALMT (6 hrs) |
Degelen, Semipalatinsk, Kazakhstan: 133 49°47′44″N 78°05′44″E / 49.79556°N 78.09568°E | 686 m (2,251 ft) + | tunnel, weapons development |
unknown yield | [1][3][4][5][6] | |||
424 - 2 | 15 July 1975 02:57:00.0 | ALMT (6 hrs) |
Degelen, Semipalatinsk, Kazakhstan: 133 49°47′44″N 78°05′44″E / 49.79556°N 78.09568°E | 686 m (2,251 ft) + | tunnel, weapons development |
unknown yield | [1][3][4][5][6] | |||
425 - 1 | 7 August 1975 03:57:00.1 | ALMT (6 hrs) |
Degelen, Semipalatinsk, Kazakhstan: 122 49°48′14″N 78°07′24″E / 49.8038°N 78.1234°E | 711 m (2,333 ft) + | tunnel, weapons development |
14 kt | [1][4][5][6][7] | |||
425 - 2 | 7 August 1975 03:57:00 | ALMT (6 hrs) |
Degelen, Semipalatinsk, Kazakhstan: 123 49°48′11″N 78°07′21″E / 49.80319°N 78.12254°E | 752 m (2,467 ft) + | tunnel, weapons development |
unknown yield | [1][3][4][5][6] | |||
426 Gorizont 4 (Horizon) | 12 August 1975 15:00:00.6 | YAKT (9 hrs) |
Sakha, Russia: G-4 70°45′49″N 126°57′08″E / 70.76367°N 126.95232°E | – 500 m (1,600 ft) | underground shaft, seismic sounding |
7.6 kt | [1][3][5][6][8] | Seismic probing program. 120 km SW Tiksi. | ||
427 - 1 | 23 August 1975 08:59:58.25 | MSK (3 hrs) |
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-10 73°20′02″N 54°40′55″E / 73.334°N 54.682°E | 100 m (330 ft) – 700 m (2,300 ft) | tunnel, weapon effect |
1.1 Mt | Venting detected on site | [1][3][5][6][7] | ||
427 - 2 | 23 August 1975 08:59:58.3 | MSK (3 hrs) |
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-10 73°20′02″N 54°40′55″E / 73.334°N 54.682°E | 100 m (330 ft) + | tunnel, weapon effect |
unknown yield | [1][3][5][6][8] | |||
427 - 3 | 23 August 1975 08:59:58.3 | MSK (3 hrs) |
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-10 73°20′02″N 54°40′55″E / 73.334°N 54.682°E | 100 m (330 ft) + | tunnel, weapon effect |
unknown yield | [1][3][5][6][8] | |||
427 - 4 | 23 August 1975 08:59:58.3 | MSK (3 hrs) |
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-10 73°20′02″N 54°40′55″E / 73.334°N 54.682°E | 100 m (330 ft) + | tunnel, weapon effect |
unknown yield | [1][3][5][6][8] | |||
427 - 5 | 23 August 1975 08:59:58.3 | MSK (3 hrs) |
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-10 73°20′02″N 54°40′55″E / 73.334°N 54.682°E | 100 m (330 ft) + | tunnel, weapons development |
unknown yield | [1][3][5][6][8] | |||
427 - 6 | 23 August 1975 08:59:58.3 | MSK (3 hrs) |
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-10 73°20′02″N 54°40′55″E / 73.334°N 54.682°E | 100 m (330 ft) + | tunnel, weapons development |
unknown yield | [1][3][5][6][8] | |||
427 - 7 | 23 August 1975 08:59:58.3 | MSK (3 hrs) |
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-10 73°20′02″N 54°40′55″E / 73.334°N 54.682°E | 100 m (330 ft) + | tunnel, weapons development |
unknown yield | [1][3][5][6][8] | |||
427 - 8 | 23 August 1975 08:59:58.3 | MSK (3 hrs) |
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-10 73°20′02″N 54°40′55″E / 73.334°N 54.682°E | 100 m (330 ft) + | tunnel, weapons development |
unknown yield | [1][3][5][6][8] | |||
428 Gorizont 3 (Horizon) | 29 September 1975 11:00:00.4 | KRAT (7 hrs) |
Krasnoyarsk, Russia: G-3 69°34′41″N 90°20′13″E / 69.578°N 90.337°E | – 830 m (2,720 ft) | underground shaft, seismic sounding |
7.6 kt | [1][3][5][6][7] | Seismic probing program. 80 km E Norilsk. | ||
429 | 5 October 1975 04:27:00.0 | ALMT (6 hrs) |
Degelen, Semipalatinsk, Kazakhstan: 192 49°46′53″N 78°05′26″E / 49.78143°N 78.09052°E | 635 m (2,083 ft) + | tunnel, weapons development |
200 t | [1][4][5][6][7] | |||
431 | 18 October 1975 08:59:59.4 | MSK (3 hrs) |
NZ Area A, Chyornaya Guba, Novaya Zemlya, Russia: Yu-7 70°47′42″N 53°42′43″E / 70.795°N 53.712°E | 30 m (98 ft) + | underground shaft, weapons development |
600 kt | [1][5][6][7][9] | |||
430 - 1 | 18 October 1975 09:00:?? | MSK (3 hrs) |
NZ Area A, Chyornaya Guba, Novaya Zemlya, Russia: Yu-6N 70°59′N 53°42′E / 70.99°N 53.7°E | 30 m (98 ft) – 1,100 m (3,600 ft) | underground shaft, weapons development |
600 kt | Venting detected | [1][3][5][6][7] | ||
430 - 2 | 18 October 1975 09:00:?? | MSK (3 hrs) |
NZ Area A, Chyornaya Guba, Novaya Zemlya, Russia: Yu-6N 70°59′N 53°42′E / 70.99°N 53.7°E | 30 m (98 ft) + | underground shaft, weapons development |
600 kt | [1][3][5][6][7] | |||
432 - 1 | 21 October 1975 11:59:58.03 | MSK (3 hrs) |
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-12 73°19′09″N 54°55′37″E / 73.31907°N 54.9269°E | 100 m (330 ft) – 700 m (2,300 ft) | tunnel, weapons development |
1.3 Mt | Venting detected off site, 300 kCi (11,000 TBq) | [1][5][6][7][9] | ||
432 - 2 | 21 October 1975 11:59:58.0 | MSK (3 hrs) |
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-12 73°18′57″N 54°55′51″E / 73.3158°N 54.93087°E | 100 m (330 ft) + | tunnel, weapons development |
unknown yield | [1][3][5][6][8] | |||
432 - 3 | 21 October 1975 11:59:58.0 | MSK (3 hrs) |
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-12 73°18′52″N 54°56′12″E / 73.31435°N 54.93673°E | 100 m (330 ft) + | tunnel, weapons development |
unknown yield | [1][3][5][6][8] | |||
432 - 4 | 21 October 1975 11:59:58.0 | MSK (3 hrs) |
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-12 73°18′52″N 54°56′12″E / 73.31435°N 54.93673°E | 100 m (330 ft) + | tunnel, weapons development |
unknown yield | [1][3][5][6][8] | |||
432 - 5 | 21 October 1975 11:59:58.0 | MSK (3 hrs) |
NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-12 73°18′52″N 54°56′12″E / 73.31435°N 54.93673°E | 100 m (330 ft) + | tunnel, weapons development |
unknown yield | [1][3][5][6][8] | |||
433 | 29 October 1975 04:46:59.89 | ALMT (6 hrs) |
Balapan, Semipalatinsk, Kazakhstan: 1206 49°57′14″N 78°52′26″E / 49.95389°N 78.87389°E | 330 m (1,080 ft) + | underground shaft, weapons development |
36 kt | [1][4][5][6][7] | |||
434 | 13 December 1975 04:56:59.99 | ALMT (6 hrs) |
Degelen, Semipalatinsk, Kazakhstan: 604 49°48′27″N 78°06′52″E / 49.8076°N 78.1144°E | 770 m (2,530 ft) + | tunnel, weapons development |
8 kt | [1][4][5][6][7] | |||
435 | 25 December 1975 05:16:59.67 | ALMT (6 hrs) |
Balapan, Semipalatinsk, Kazakhstan: 1067 50°02′56″N 78°49′08″E / 50.04884°N 78.81882°E | 330 m (1,080 ft) + | underground shaft, weapons development |
59 kt | [1][4][5][6][7] |