| 1990 | |
|---|---|
| Information | |
| Country | Soviet Union |
| Test site | Degelen, Semipalatinsk, Kazakhstan; NZ Area B, Matochkin Shar, Novaya Zemlya, Russia |
| Period | 1990–1991 |
| Number of tests | 2 |
| Test type | underground cavity in tunnel, tunnel |
| Max. yield | 70 kilotonnes of TNT (290 TJ) |
| Test series chronology | |
The Soviet Union's 1990 nuclear test series [1] was a group of 2 nuclear tests conducted in 1990–1991. These tests [note 1] followed the 1989 Soviet nuclear tests series.
| 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 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| 715 - 1 | 24 October 1990 14:57:58.45 | MSK (3 hrs) | NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A13N 73°19′52″N54°45′25″E / 73.331°N 54.757°E | 100 m (330 ft) – 600 m (2,000 ft) | tunnel, weapons development | 70 kt | [1] [3] [4] [5] [6] | 715 - 2 | 24 October 1990 14:57:58.5 | MSK (3 hrs) | NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A13N 73°19′52″N54°45′25″E / 73.331°N 54.757°E | 100 m (330 ft) – 600 m (2,000 ft) | tunnel, weapons development | unknown yield | [1] [3] [5] [6] [7] | 715 - 3 | 24 October 1990 14:57:58.5 | MSK (3 hrs) | NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A13N 73°19′52″N54°45′25″E / 73.331°N 54.757°E | 100 m (330 ft) – 600 m (2,000 ft) | tunnel, weapons development | unknown yield | [1] [3] [5] [6] [7] | 715 - 4 | 24 October 1990 14:57:58.5 | MSK (3 hrs) | NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A13N 73°19′52″N54°45′25″E / 73.331°N 54.757°E | 100 m (330 ft) – 600 m (2,000 ft) | tunnel, weapons development | unknown yield | [1] [3] [5] [6] [7] | 715 - 5 | 24 October 1990 14:57:58.5 | MSK (3 hrs) | NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A13N 73°19′52″N54°45′25″E / 73.331°N 54.757°E | 100 m (330 ft) – 600 m (2,000 ft) | tunnel, weapons development | unknown yield | [1] [3] [5] [6] [7] | 715 - 6 | 24 October 1990 14:57:58.5 | MSK (3 hrs) | NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A13N 73°19′52″N54°45′25″E / 73.331°N 54.757°E | 100 m (330 ft) – 600 m (2,000 ft) | tunnel, weapons development | 1000 kg | [1] [3] [5] [6] [7] | 715 - 7 | 24 October 1990 14:57:58.5 | MSK (3 hrs) | NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A13N 73°19′52″N54°45′25″E / 73.331°N 54.757°E | 100 m (330 ft) – 600 m (2,000 ft) | tunnel, weapons development | 1000 kg | [1] [3] [5] [6] [7] | 715 - 8 | 24 October 1990 14:57:58.5 | MSK (3 hrs) | NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A13N 73°19′52″N54°45′25″E / 73.331°N 54.757°E | 100 m (330 ft) – 600 m (2,000 ft) | 1000 kg | [1] [3] [5] [6] [7] | Left behind (aborted) | May 1991 | ALMT (6 hrs) | Degelen, Semipalatinsk, Kazakhstan: 108k 49°45′20″N77°59′11″E / 49.75565°N 77.98639°E | – 129 m (423 ft) | underground cavity in tunnel, weapon effect | no yield | Left in a shaft alcove in a mine tunnel in Degelen when the Soviets abandoned the Semipalatinsk site. [8] Destroyed by 400 kg of HE on 31 May 1995 by a combined Kazakh-Russian project. [8] [9] |