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 49.80621°N 78.11687°E / 49.80621; 78.11687 (481)
| 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 49.7643°N 77.9993°E / 49.7643; 77.9993 (482 - 1)
| 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 49.7643°N 77.9993°E / 49.7643; 77.9993 (482 - 2)
| 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 49.7469°N 78.1251°E / 49.7469; 78.1251 (483 - 1)
| 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 49.7469°N 78.1251°E / 49.7469; 78.1251 (483 - 2)
| 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 49.7469°N 78.1251°E / 49.7469; 78.1251 (483 - 3)
| 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 49.74721°N 78.05809°E / 49.74721; 78.05809 (484)
| 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 49.7986°N 78.1022°E / 49.7986; 78.1022 (485)
| 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 49.74828°N 78.06006°E / 49.74828; 78.06006 (486)
| 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 49.91406°N 78.80121°E / 49.91406; 78.80121 (487)
| 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 49.90376°N 78.86647°E / 49.90376; 78.86647 (488)
| 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 49.7488°N 78.0893°E / 49.7488; 78.0893 (489 - 1)
| 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 49.7488°N 78.0893°E / 49.7488; 78.0893 (489 - 2)
| 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 49.7488°N 78.0893°E / 49.7488; 78.0893 (489 - 3)
| 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 49.7488°N 78.0893°E / 49.7488; 78.0893 (489 - 4)
| 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 49.7488°N 78.0893°E / 49.7488; 78.0893 (489 - 5)
| 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 63.678°N 125.522°E / 63.678; 125.522 (490 Kraton 4 (Craton))
| – 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 73.291°N 54.883°E / 73.291; 54.883 (491 - 1)
| 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 73.291°N 54.883°E / 73.291; 54.883 (491 - 2)
| 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 73.291°N 54.883°E / 73.291; 54.883 (491 - 3)
| 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 73.291°N 54.883°E / 73.291; 54.883 (491 - 4)
| 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 73.291°N 54.883°E / 73.291; 54.883 (491 - 5)
| 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 73.291°N 54.883°E / 73.291; 54.883 (491 - 6)
| 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 65.925°N 112.338°E / 65.925; 112.338 (492 Kraton 3 (Craton))
| – 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 49.8074°N 78.1091°E / 49.8074; 78.1091 (493 - 1)
| 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 49.8074°N 78.1091°E / 49.8074; 78.1091 (493 - 2)
| 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 49.8074°N 78.1091°E / 49.8074; 78.1091 (493 - 3)
| 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 50.00965°N 78.96669°E / 50.00965; 78.96669 (494)
| 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 47.909°N 47.912°E / 47.909; 47.912 (495 Galit A2.4 (Halite))
| – 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 49.92944°N 78.8614°E / 49.92944; 78.8614 (496)
| 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 49.7934°N 78.1447°E / 49.7934; 78.1447 (497)
| 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 66.598°N 86.21°E / 66.598; 86.21 (498 Kraton 2 (Craton))
| – 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 73.349°N 54.676°E / 73.349; 54.676 (499 - 1)
| 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 73.349°N 54.676°E / 73.349; 54.676 (499 - 2)
| 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 73.349°N 54.676°E / 73.349; 54.676 (499 - 3)
| 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 73.349°N 54.676°E / 73.349; 54.676 (499 - 4)
| 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 73.349°N 54.676°E / 73.349; 54.676 (499 - 5)
| 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 73.349°N 54.676°E / 73.349; 54.676 (499 - 6)
| 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 73.349°N 54.676°E / 73.349; 54.676 (499 - 7)
| 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 61.55°N 112.85°E / 61.55; 112.85 (500 Vyatka (Neva))
| – 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 49.7395°N 78.1127°E / 49.7395; 78.1127 (501)
| 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 47.84661°N 48.12042°E / 47.84661; 48.12042 (502 Galit A7 (Halite) - 1)
| – 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 47.84661°N 48.12042°E / 47.84661; 48.12042 (502 Galit A7 (Halite) - 2)
| +
| 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 63.185°N 63.432°E / 63.185; 63.432 (503 Kraton 1 (Craton))
| – 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 49.7875°N 78.0974°E / 49.7875; 78.0974 (504)
| 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 50.04706°N 78.94626°E / 50.04706; 78.94626 (505 - 1)
| 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 50.04167°N 78.94722°E / 50.04167; 78.94722 (505 - 2)
| 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 49.95472°N 78.79395°E / 49.95472; 78.79395 (506 - 1)
| 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 49.95472°N 78.79395°E / 49.95472; 78.79395 (506 - 2)
| 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 49.7826°N 78.0073°E / 49.7826; 78.0073 (507)
| 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 47.909°N 47.912°E / 47.909; 47.912 (508 Galit A2.5 (Halite))
| – 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 49.8061°N 78.1034°E / 49.8061; 78.1034 (509)
| 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 47.85689°N 48.16091°E / 47.85689; 48.16091 (510 Galit A9 (Halite))
| – 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 49.81083°N 78.05417°E / 49.81083; 78.05417 (511 - 1)
| 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 49.81083°N 78.05417°E / 49.81083; 78.05417 (511 - 2)
| 722 m (2,369 ft) +
| tunnel, weapons development
|
| unknown yield
|
| [1][3][5][6][7]
|
|