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
|
669
| 26 February 1987 04:58:24.3
| ALMT (6 hrs)
| Degelen, Semipalatinsk, Kazakhstan: 130 49.8299°N 78.0835°E / 49.8299; 78.0835 (669)
| 635 m (2,083 ft) +
| tunnel, fundamental science
|
| 24 kt
|
| [1][3][4][5][6]
|
|
670 - 1
| 12 March 1987 01:57:19.63
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1315 49.93633°N 78.82663°E / 49.93633; 78.82663 (670 - 1)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| 11 kt
|
| [1][3][4][5][6]
|
|
670 - 2
| 12 March 1987 01:57:19.6
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1315 49.93633°N 78.82663°E / 49.93633; 78.82663 (670 - 2)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| unknown yield
|
| [1][3][5][6][7]
|
|
671
| 3 April 1987 01:17:10.36
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1318 49.91914°N 78.77961°E / 49.91914; 78.77961 (671)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| 140 kt
|
| [1][3][4][5][6]
|
|
672 - 1
| 3 April 1987 01:17:12.32
| ALMT (6 hrs)
| Degelen, Semipalatinsk, Kazakhstan: 208 49.7467°N 78.1162°E / 49.7467; 78.1162 (672 - 1)
| 597 m (1,959 ft) +
| tunnel, weapons development
|
| 1 kt
|
| [1][3][5][6][8]
|
|
672 - 2
| 3 April 1987 01:17:12.3
| ALMT (6 hrs)
| Degelen, Semipalatinsk, Kazakhstan: 208 49.7467°N 78.1162°E / 49.7467; 78.1162 (672 - 2)
| 597 m (1,959 ft) +
| tunnel, weapons development
|
| unknown yield
|
| [1][3][5][6][9]
|
|
672 - 3
| 3 April 1987 01:17:12.3
| ALMT (6 hrs)
| Degelen, Semipalatinsk, Kazakhstan: 208 49.7467°N 78.1162°E / 49.7467; 78.1162 (672 - 3)
| 597 m (1,959 ft) +
| tunnel, weapons development
|
| unknown yield
|
| [1][3][5][6][9]
|
|
unnumbered #11
| 17 April 1987
| ALMT (6 hrs)
| Degelen, Semipalatinsk, Kazakhstan: 175-3p 49.751°N 78.049°E / 49.751; 78.049 (unnumbered #11)
| +
| tunnel,
|
| no yield
|
| [1][4][5][6][9]
|
|
673 - 1
| 17 April 1987 01:03:07.14
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1384 49.87668°N 78.66917°E / 49.87668; 78.66917 (673 - 1)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| 86 kt
|
| [1][3][4][5][6]
|
|
673 - 2
| 17 April 1987 01:03:07.1
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1384 49.87668°N 78.66917°E / 49.87668; 78.66917 (673 - 2)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| unknown yield
|
| [1][3][5][6][7]
|
|
673 - 3
| 17 April 1987 01:03:07.1
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1384 49.87668°N 78.66917°E / 49.87668; 78.66917 (673 - 3)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| unknown yield
|
| [1][3][5][6][7]
|
|
674 Geliy 3 (Helium)
| 19 April 1987 04:00:00.0
| SVET (5 hrs)
| Perm, Russia: 404 60.6°N 57.2°E / 60.6; 57.2 (674 Geliy 3 (Helium))
| – 2,015 m (6,611 ft)
| underground shaft, oil stimulation
|
| 3.2 kt
|
| [1][4][5][6][9]
| Oil recovery intensification. 170 km NE Bereznyaki.
|
675 Geliy 3 (Helium)
| 19 April 1987 04:05:00.0
| SVET (5 hrs)
| Perm, Russia: 405 60.8°N 57.5°E / 60.8; 57.5 (675 Geliy 3 (Helium))
| – 2,055 m (6,742 ft)
| underground shaft, oil stimulation
|
| 3.2 kt
|
| [1][4][5][6][9]
| Oil recovery intensification. 170 km NE Bereznyaki.
|
676
| 6 May 1987 04:02:08.11
| ALMT (6 hrs)
| Degelen, Semipalatinsk, Kazakhstan: 164 49.7742°N 77.9986°E / 49.7742; 77.9986 (676)
| 772 m (2,533 ft) +
| tunnel, fundamental science
|
| 40 kt
|
| [1][3][4][5][6]
|
|
677
| 6 June 1987 02:37:09.25
| ALMT (6 hrs)
| Degelen, Semipalatinsk, Kazakhstan: 138 49.8327°N 78.0704°E / 49.8327; 78.0704 (677)
| 604 m (1,982 ft) +
| tunnel, fundamental science
|
| 24 kt
|
| [1][3][4][5][6]
|
|
678 - 1
| 20 June 1987 00:53:07.16
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1326 49.93774°N 78.74298°E / 49.93774; 78.74298 (678 - 1)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| 107 kt
|
| [1][3][4][5][6]
|
|
678 - 2
| 20 June 1987 00:53:07.2
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1326 49.93774°N 78.74298°E / 49.93774; 78.74298 (678 - 2)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| unknown yield
|
| [1][5][6][7][9]
|
|
679 Neva 2
| 7 July 1987 00:00:00.0
| YAKT (9 hrs)
| Sakha, Russia: 68 61.5°N 112.85°E / 61.5; 112.85 (679 Neva 2)
| – 1,515 m (4,970 ft)
| underground shaft, oil stimulation
|
| 15 kt
|
| [1][4][5][6][9]
| Oil recovery intensification.
|
680
| 17 July 1987 01:17:09.18
| ALMT (6 hrs)
| Degelen, Semipalatinsk, Kazakhstan: 168 49.7664°N 78.0287°E / 49.7664; 78.0287 (680)
| 738 m (2,421 ft) – 267 m (876 ft)
| tunnel, fundamental science
|
| 78 kt
|
| [1][3][4][5][6]
|
|
681 Neva 3
| 24 July 1987 02:00:00.0
| YAKT (9 hrs)
| Sakha, Russia: 61 61.45°N 112.8°E / 61.45; 112.8 (681 Neva 3)
| – 1,520 m (4,990 ft)
| underground shaft, oil stimulation
|
| 15 kt
|
| [1][4][5][6][9]
| Oil recovery intensification.
|
683 - 1
| 2 August 1987 00:58:09.27
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1348 49.88113°N 78.87414°E / 49.88113; 78.87414 (683 - 1)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| 72 kt
|
| [1][3][4][5][6]
|
|
683 - 2
| 2 August 1987 00:58:09.3
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1348 49.88113°N 78.87414°E / 49.88113; 78.87414 (683 - 2)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| unknown yield
|
| [1][5][6][9][10]
|
|
683 - 3
| 2 August 1987 00:58:09.3
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1348 49.88113°N 78.87414°E / 49.88113; 78.87414 (683 - 3)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| unknown yield
|
| [1][5][6][9][10]
|
|
682 - 1
| 2 August 1987 02:00:00.2
| MSK (3 hrs)
| NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-37A 73.326°N 54.602°E / 73.326; 54.602 (682 - 1)
| 100 m (330 ft) – 390 m (1,280 ft)
| tunnel, weapons development
|
| 150 kt
| Venting detected off site, 1.5 kCi (56 TBq)
| [1][4][5][6][9]
|
|
682 - 2
| 2 August 1987 02:00:00.2
| MSK (3 hrs)
| NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-37A 73.326°N 54.602°E / 73.326; 54.602 (682 - 2)
| 100 m (330 ft) +
| tunnel, weapons development
|
| unknown yield
|
| [1][5][6][9][10]
|
|
682 - 3
| 2 August 1987 02:00:00.2
| MSK (3 hrs)
| NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-37A 73.326°N 54.602°E / 73.326; 54.602 (682 - 3)
| 100 m (330 ft) +
| tunnel, weapons development
|
| unknown yield
|
| [1][5][6][9][10]
|
|
682 - 4
| 2 August 1987 02:00:00.2
| MSK (3 hrs)
| NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-37A 73.326°N 54.602°E / 73.326; 54.602 (682 - 4)
| 100 m (330 ft) +
| tunnel, fundamental science
|
| unknown yield
|
| [1][5][6][9][10]
|
|
682 - 5
| 2 August 1987 02:00:00.2
| MSK (3 hrs)
| NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-37A 73.326°N 54.602°E / 73.326; 54.602 (682 - 5)
| 100 m (330 ft) +
| tunnel, safety experiment
|
| unknown yield
|
| [1][5][6][9][10]
|
|
684 Neva 4
| 12 August 1987 01:30:00.5
| YAKT (9 hrs)
| Sakha, Russia: 101 61.45°N 112.8°E / 61.45; 112.8 (684 Neva 4)
| – 834 m (2,736 ft)
| underground shaft, oil stimulation
|
| 3.2 kt
|
| [1][4][5][6][9]
| Oil recovery intensification.
|
685 - 1
| 18 September 1987 02:32:10.01
| ALMT (6 hrs)
| Degelen, Semipalatinsk, Kazakhstan: 132p 49.806°N 78.0997°E / 49.806; 78.0997 (685 - 1)
| 719 m (2,359 ft) +
| tunnel, weapon effect
|
| 1.1 kt
|
| [1][3][4][5][6]
|
|
685 - 2
| 18 September 1987 02:32:10.0
| ALMT (6 hrs)
| Degelen, Semipalatinsk, Kazakhstan: 132p 49.806°N 78.0997°E / 49.806; 78.0997 (685 - 2)
| 719 m (2,359 ft) +
| tunnel, safety experiment
|
| unknown yield
|
| [1][3][5][6][9]
|
|
686 Batolit 2 (Batholith)
| 3 October 1987 15:15:00.0
| AKTT (6 hrs)
| Aktobe, Kazakhstan: BT-2 47.6°N 56.2°E / 47.6; 56.2 (686 Batolit 2 (Batholith))
| – 1,000 m (3,300 ft)
| underground shaft, seismic sounding
|
| 8.5 kt
|
| [1][4][5][6][9]
| Seismic probing program.
|
687
| 16 October 1987 06:06:06.99
| ALMT (6 hrs)
| Degelen, Semipalatinsk, Kazakhstan: K-85 49.7313°N 78.0906°E / 49.7313; 78.0906 (687)
| 620 m (2,030 ft) – 82 m (269 ft)
| tunnel, weapon effect
|
| 1.1 kt
|
| [1][3][4][5][6]
|
|
688 - 1
| 15 November 1987 03:31:09.17
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1332 49.89909°N 78.75629°E / 49.89909; 78.75629 (688 - 1)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| 103 kt
|
| [1][3][4][5][6]
|
|
688 - 2
| 15 November 1987 03:31:09.2
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1332 49.89909°N 78.75629°E / 49.89909; 78.75629 (688 - 2)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| unknown yield
|
| [1][5][6][7][9]
|
|
689 - 1
| 13 December 1987 03:21:07.25
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1355 49.96185°N 78.79222°E / 49.96185; 78.79222 (689 - 1)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| 137 kt
|
| [1][3][4][5][6]
|
|
689 - 2
| 13 December 1987 03:21:07.3
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1355 49.96185°N 78.79222°E / 49.96185; 78.79222 (689 - 2)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| unknown yield
|
| [1][5][6][7][9]
|
|
690
| 20 December 1987 02:55:09.14
| ALMT (6 hrs)
| Degelen, Semipalatinsk, Kazakhstan: 164p 49.7742°N 77.9986°E / 49.7742; 77.9986 (690)
| 772 m (2,533 ft) +
| tunnel, fundamental science
|
| 5 kt
|
| [1][3][4][5][6]
|
|
691 - 1
| 27 December 1987 03:05:07.22
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1388 49.87979°N 78.72368°E / 49.87979; 78.72368 (691 - 1)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| 117 kt
|
| [1][3][4][5][6]
|
|
691 - 2
| 27 December 1987 03:05:07.2
| ALMT (6 hrs)
| Balapan, Semipalatinsk, Kazakhstan: 1388 49.87979°N 78.72368°E / 49.87979; 78.72368 (691 - 2)
| 330 m (1,080 ft) +
| underground shaft, weapons development
|
| unknown yield
|
| [1][5][6][7][9]
|
|