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1977 Soviet nuclear tests
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List of nuclear weapons tests of the Soviet Union
1977
Nuclear Blast Animation Rising Mushroom Cloud.gif
Nuclear blast animation
Soviet Union
Atyrau, Kazakhstan; Balapan, Semipalatinsk, Kazakhstan; Degelen, Semipalatinsk, Kazakhstan; Irkutsk, Russia; Krasnoyarsk, Russia; NZ Area B, Matochkin Shar, Novaya Zemlya, Russia; Sary-Uzen/Murzhik, Semipalatinsk, Kazakhstan; Zabaykalsky (then Chita), Russia
1977
24
underground shaft, tunnel
120 ktTNT in
1976 Soviet nuclear tests
1978 Soviet nuclear tests
1977 Soviet nuclear tests
The Soviet Union's 1977 nuclear test series was a group of 24 nuclear tests conducted in 1977. These testsA 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". V. N. Mikhailov Catalog of World Wide Nuclear Testing Begell-Atom, LLC http://www.iss-atom.ru/ksenia/catal_nt/1.htm 2013-12-17 https://web.archive.org/web/20140426102201/http://www.iss-atom.ru/ksenia/catal_nt/1.htm 2014-04-26 dead followed the 1976 Soviet nuclear tests series and preceded the 1978 Soviet nuclear tests series.
+ Soviet Union's 1977 series tests and detonations
Name 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.
Date time (UT)
Local time zoneTo 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.Time Zone Historical Database iana.com http://www.ietf.org/timezones/ March 8, 2014
LocationRough 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.
Elevation + height 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.
Delivery,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.Purpose Include weapons development, weapon effects, safety test, transport safety test, war, science, joint verification and industrial/peaceful, which may be further broken down.
DeviceDesignations 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.
YieldEstimated energy yield in tons, kilotons, and megatons. A ton of TNT equivalent is defined as 4.184 gigajoules (1 gigacalorie).
FalloutRadioactive 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
Notes
458458
dmy 1977 3 29 03:56:58
ALMT (6 hrs) Sary-Uzen/Murzhik, Semipalatinsk, Kazakhstan: 130 49.97 78.086 458 inline
000460460 m on +
underground shaft,weapons development
000240000 24 kt
Supposed to be in the Sary-Uzen test area, simultaneous with 457 in Degelen.
457 - 1457
dmy 1977 3 29 03:56:59.95
ALMT (6 hrs) Degelen, Semipalatinsk, Kazakhstan: 707 49.7704 78.0136 457 - 1 inline
000735735 m on +
tunnel,weapons development
000250000 25 kt
457 - 2457
dmy 1977 3 29 03:57:00.0
ALMT (6 hrs) Degelen, Semipalatinsk, Kazakhstan: 707 49.7704 78.0136 457 - 2 inline
000735735 m on +
tunnel,weapons development
000000000 unknown yield
457 - 3457
dmy 1977 3 29 03:57:00.0
ALMT (6 hrs) Degelen, Semipalatinsk, Kazakhstan: 707 49.7704 78.0136 457 - 3 inline
000735735 m on +
tunnel,safety experiment
000000010 1000 kg
Simultaneous with 458.
459459
dmy 1977 4 25 04:07:00.16
ALMT (6 hrs) Degelen, Semipalatinsk, Kazakhstan: 604p 49.8076 78.1144 459 inline
000770770 m on +
tunnel,weapons development
000100000 10 kt
460460
dmy 1977 5 29 02:57:00.13
ALMT (6 hrs) Balapan, Semipalatinsk, Kazakhstan: 1400 49.94639 78.77167 460 inline
000330330 m on +
underground shaft,weapons development
000440000 44 kt
461461
dmy 1977 6 29 03:07:00.24
ALMT (6 hrs) Balapan, Semipalatinsk, Kazakhstan: 1080 50.00211 78.86589 461 inline
000330330 m on +
underground shaft,weapons development
000090000 9 kt
462 Meteorit 2 (Meteorite)462 Meteorit 2 (Meteorite)
dmy 1977 7 26 17:00:00.2
KRAT (7 hrs) Krasnoyarsk, Russia: M2 69.575 90.375 462 Meteorit 2 (Meteorite) inline
000000 – 880 m on
underground shaft,seismic sounding
000150000 15 kt
Seismic probing program.
463 - 1463
dmy 1977 7 30 01:57:00.11
ALMT (6 hrs) Degelen, Semipalatinsk, Kazakhstan: 175 49.75 78.0399 463 - 1 inline
000682682 m on +
tunnel,weapons development
000110000 11 kt
463 - 2463
dmy 1977 7 30 01:57:00.1
ALMT (6 hrs) Degelen, Semipalatinsk, Kazakhstan: 175 49.75 78.0399 463 - 2 inline
000682682 m on +
tunnel,weapons development
000000000 unknown yield
464 Meteorit 5 (Meteorite)464 Meteorit 5 (Meteorite)
dmy 1977 8 10 22:00:00.1
YAKT (9 hrs) Zabaykalsky (then Chita), Russia: M5 50.955 110.983 464 Meteorit 5 (Meteorite) inline
000195685 m on – 490 m on
underground shaft,seismic sounding
000085000 8.5 kt
Seismic probing program.
465465
dmy 1977 8 17 04:26:59.97
ALMT (6 hrs) Degelen, Semipalatinsk, Kazakhstan: 111 49.82615 78.12007 465 inline
000640640 m on +
tunnel,weapons development
000080000 8 kt
466 Meteorit 3 (Meteorite)466 Meteorit 3 (Meteorite)
dmy 1977 8 20 22:00:00.8
KRAT (7 hrs) Krasnoyarsk, Russia: M3 64.108 99.558 466 Meteorit 3 (Meteorite) inline
000000 – 600 m on
underground shaft,seismic sounding
000085000 8.5 kt
Seismic probing program.
467 - 1467
dmy 1977 9 1 02:59:57.97
MSK (3 hrs) NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-17 73.339 54.619 467 - 1 inline
000000100 m on – 600 m on
tunnel,weapons development
001200000 120 kt
467 - 2467
dmy 1977 9 1 02:59:58.0
MSK (3 hrs) NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-17 73.339 54.619 467 - 2 inline
000100100 m on +
tunnel,weapons development
000000000 unknown yield
467 - 3467
dmy 1977 9 1 02:59:58.0
MSK (3 hrs) NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-17 73.339 54.619 467 - 3 inline
000100100 m on +
tunnel,weapons development
000000000 unknown yield
467 - 4467
dmy 1977 9 1 02:59:58.0
MSK (3 hrs) NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-17 73.339 54.619 467 - 4 inline
000100100 m on +
tunnel,weapons development
000000000 unknown yield
468 - 1468
dmy 1977 9 5 03:02:59.96
ALMT (6 hrs) Balapan, Semipalatinsk, Kazakhstan: 1079 50.05666 78.93845 468 - 1 inline
000330330 m on +
underground shaft,weapons development
000780000 78 kt
468 - 2468
dmy 1977 9 5 03:03:00.0
ALMT (6 hrs) Balapan, Semipalatinsk, Kazakhstan: 1079 50.05666 78.93845 468 - 2 inline
000330330 m on +
underground shaft,fundamental science
000000000 unknown yield
469 Meteorit 4 (Meteorite)469 Meteorit 4 (Meteorite)
dmy 1977 9 10 16:00:00.2
IRKT (8 hrs) Irkutsk, Russia: M4 57.251 106.551 469 Meteorit 4 (Meteorite) inline
000000 – 540 m on
underground shaft,industrial
000076000 7.6 kt
Seismic probing program. 120 km NE Uzst-Kut.
470 Galit A5 (Halite)470 Galit A5 (Halite)
dmy 1977 9 30 06:59:58.4
SHET (5 hrs) Atyrau, Kazakhstan: A-V 47.89717 48.16124 470 Galit A5 (Halite) inline
000000 – 1500 m on
underground shaft,industrial
000100000 10 kt
Create reservoirs for gas storage. Location looks like a subsidence crater.
471471
dmy 1977 10 9 10:59:58.12
MSK (3 hrs) NZ Area B, Matochkin Shar, Novaya Zemlya, Russia: A-7P 73.409 54.927 471 inline
000000100 m on – 160 m on
tunnel,weapons development
000050000 5 kt
Venting detected off site, 3 kCi TBq on
472 Galit A2.2 (Halite)472 Galit A2.2 (Halite)
dmy 1977 10 14 06:59:59.1
SHET (5 hrs) Atyrau, Kazakhstan: A-II-3 47.909 47.912 472 Galit A2.2 (Halite) inline
000000 – 600 m on
underground shaft,industrial
000001000 100 t
Create reservoirs for gas storage. This shot was a fizzle.
473 - 1473
dmy 1977 10 29 03:06:59.97
ALMT (6 hrs) Degelen, Semipalatinsk, Kazakhstan: 136 49.8265 78.0801 473 - 1 inline
000638638 m on +
tunnel,weapons development
000420000 42 kt
473 - 2473
dmy 1977 10 29 03:07:00.0
ALMT (6 hrs) Degelen, Semipalatinsk, Kazakhstan: 136 49.8265 78.0801 473 - 2 inline
000638638 m on +
tunnel,fundamental science
000000000 unknown yield
474474
dmy 1977 10 29 03:07:04.92
ALMT (6 hrs) Balapan, Semipalatinsk, Kazakhstan: 1214 50.04851 78.98633 474 inline
000330330 m on +
underground shaft,weapons development
000500000 50 kt
475 Galit A2.3 (Halite)475 Galit A2.3 (Halite)
dmy 1977 10 30 06:59:59.1
SHET (5 hrs) Atyrau, Kazakhstan: A-II-4 47.909 47.912 475 Galit A2.3 (Halite) inline
000000 – 600 m on
underground shaft,industrial
000001000 100 t
Create reservoirs for gas storage. A fizzle.
476476
dmy 1977 11 12 05:11:00.0
ALMT (6 hrs) Balapan, Semipalatinsk, Kazakhstan: 1073 50.05222 78.86444 476 inline
000330330 m on +
underground shaft,weapons development
000000000 unknown yield
477477
dmy 1977 11 27 03:57:00.0
ALMT (6 hrs) Degelen, Semipalatinsk, Kazakhstan: 18p 49.75725 78.05279 477 inline
000537537 m on +
tunnel,weapons development
000000000 unknown yield
478 - 1478
dmy 1977 11 30 04:06:59.94
ALMT (6 hrs) Balapan, Semipalatinsk, Kazakhstan: Glubokaya 49.96722 78.87444 478 - 1 inline
000330330 m on +
underground shaft,weapons development
000700000 70 kt
478 - 2478
dmy 1977 11 30 04:06:59.9
ALMT (6 hrs) Balapan, Semipalatinsk, Kazakhstan: Glubokaya 49.96722 78.87444 478 - 2 inline
000330330 m on +
underground shaft,weapons development
000000000 unknown yield
479479
dmy 1977 12 26 04:03:??
ALMT (6 hrs) Degelen, Semipalatinsk, Kazakhstan: 803 49.81683 78.05366 479 inline
000722722 m on +
tunnel,weapons development
000000000 unknown yield
480 - 1480
dmy 1977 12 26 04:03:00.24
ALMT (6 hrs) Degelen, Semipalatinsk, Kazakhstan: 123p 49.80554 78.11539 480 - 1 inline
000752752 m on +
tunnel,weapons development
000060000 6 kt
480 - 2480
dmy 1977 12 26 04:03:00
ALMT (6 hrs) Degelen, Semipalatinsk, Kazakhstan: 122p 49.80621 78.11687 480 - 2 inline
000711711 m on +
tunnel,weapons development
000000010 1000 kg
480 - 3480
dmy 1977 12 26 04:03:00
ALMT (6 hrs) Degelen, Semipalatinsk, Kazakhstan: 122p 49.80621 78.11687 480 - 3 inline
000711711 m on +
tunnel,weapons development
000000000 unknown yield
480 - 4480
dmy 1977 12 26 04:03:00
ALMT (6 hrs) Degelen, Semipalatinsk, Kazakhstan: 122p 49.80621 78.11687 480 - 4 inline
000711711 m on +
tunnel,weapons development
000000000 unknown yield
note
References
RFNC-VNIIEF 1996 USSR Nuclear Weapons Tests and Peaceful Nuclear Explosions 1949 through 1990 Sarov, Russia The official Russian list of Soviet tests.
Podvig Pavel 2001 Russian Strategic Nuclear Forces MIT Press Cambridge, MA 9780262661812 https://books.google.com/books?id=CPRVbYDc-7kC&pg=PA453 January 9, 2014
Cochran Thomas B. Arkin William M. Robert S. Norris Jeffrey I. Sands Nuclear Weapons Databook Vol. IV: Soviet Nuclear Weapons Harper and Row New York, NY
Khalturin Vitaly I. Tatyana G. Rautian Paul G. Richards 2000 10.1007/pl00001153 Chemical explosions during 1961-1989 on the Semipalatinsk Test Site, Kazakhstan Pure and Applied Geophysics 158 143–171 128953780 http://www.ldeo.columbia.edu/res/div/sgt/vitaly/VIKh_papers/chemex_at_STS2000.pdf December 13, 2013 March 4, 2016 https://web.archive.org/web/20160304120004/http://www.ldeo.columbia.edu/res/div/sgt/vitaly/VIKh_papers/chemex_at_STS2000.pdf dead
Yang Xiaoping Robert North Carl Romney August 2000 CMR Nuclear Explosion Database (Revision 3) SMDC Monitoring Research
Won-Young Kim Paul G. Richards Vitaly Andrushkin Vladimir Ovtchinnikov April 1, 2001 Borovoye digital seismogram archive for underground nuclear tests during 1966-1996 LDEO http://www.ldeo.columbia.edu/Monitoring/Data/Brv_arch_ex/brv_text_table.pdf December 13, 2013
Nuclear explosions in the USSR: The North Test Site reference material, version 4 December 1, 2004 IAEA Dept. of Nuclear Safety and Security http://www-ns.iaea.org/downloads/rw/waste-safety/north-test-site-final.pdf December 13, 2013
Andrushkin Vitaly V. William Leith September 1, 2001 The containment of Soviet underground nuclear explosions USGS Open File Report 01-312 https://geology.er.usgs.gov/eespteam/pdf/USGSOFR01312.pdf December 13, 2013 dead https://web.archive.org/web/20130509080818/http://geology.er.usgs.gov/eespteam/pdf/USGSOFR01312.pdf May 9, 2013
Thurber Clifford Chad Trabant Florian Haslinger Renate Hartog 2001 10.1016/s0031-9201(00)00215-6 Nuclear explosion locations at the Balapan, Kazakhstan, nuclear test site: the effects of high-precision arrival times and three-dimensional structure Physics of the Earth and Planetary Interiors 123 283–301 https://www.researchgate.net/publication/240373396_Nuclear_explosion_locations_at_the_Balapan_Kazakhstan_nuclear_test_site_the_effects_of_high-precision_arrival_times_and_three-dimensional_structure December 13, 2013
1977
Category:1977 in the Soviet Union
Category:1977 in military history
Category:1977 explosions