Operation Niblick facts for kids

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Quick facts for kids Operation Niblick
Information
Country	United States
Period	1963–1964
Number of tests	41
Test type	underground shaft
Max. yield	249 kilotonnes of TNT (1,040 TJ)

The United States's Niblick nuclear test series was a group of 41 nuclear tests conducted in 1963–1964. These tests followed the Operation Roller Coaster series and preceded the Operation Whetstone series.

List of the nuclear tests

United States' Niblick series tests and detonations
Name	Date time (UT)	Local time zone	Location	Elevation + height	Delivery Purpose	Yield	Fallout	Notes
Pekan	August 12, 1963 23:45:00.13	PST (–8 hrs)	NTS Area U3bw 37°02′30″N 116°00′59″W / 37.04164°N 116.01644°W / 37.04164; -116.01644 (Pekan)	1,197 m (3,927 ft) – 302.27 m (991.7 ft)	underground shaft, weapons development	8 kt	Venting detected, 1.1 MCi (41 PBq)
Satsop	August 15, 1963 13:00:00.15	PST (–8 hrs)	NTS Area U2g 37°09′15″N 116°04′39″W / 37.15407°N 116.07756°W / 37.15407; -116.07756 (Satsop)	1,306 m (4,285 ft) – 224.94 m (738.0 ft)	underground shaft, weapons development	3 kt
Kohocton – 1 (with Natches)	August 23, 1963 13:20:00.15	PST (–8 hrs)	NTS Area U9ak 37°07′30″N 116°02′11″W / 37.12492°N 116.03626°W / 37.12492; -116.03626 (Kohocton - 1)	1,289 m (4,229 ft) – 254.51 m (835.0 ft)	underground shaft, weapons development	less than 20 kt	Venting detected, 3 kCi (110 TBq)
Natches – 2 (with Kohocton)	August 23, 1963 13:20:00.14	PST (–8 hrs)	NTS Area U9ak1 37°07′30″N 116°02′10″W / 37.12492°N 116.03612°W / 37.12492; -116.03612 (Natches - 2)	1,261 m (4,137 ft) +	underground shaft, weapons development	less than 20 kt
Ahtanum	September 13, 1963 13:53:00.15	PST (–8 hrs)	NTS Area U2l 37°09′48″N 116°04′54″W / 37.16333°N 116.08157°W / 37.16333; -116.08157 (Ahtanum)	1,320 m (4,330 ft) – 225.55 m (740.0 ft)	underground shaft, weapons development	1 kt	Venting detected, 35 Ci (1,300 GBq)
Bilby	September 13, 1963 17:00:00.13	PST (–8 hrs)	NTS Area U3on 37°03′38″N 116°01′21″W / 37.06053°N 116.02237°W / 37.06053; -116.02237 (Bilby)	1,215 m (3,986 ft) – 714.3 m (2,344 ft)	underground shaft, weapons development	249 kt	Venting detected, 1 Ci (37 GBq)
Carp	September 27, 1963 14:20:00.13	PST (–8 hrs)	NTS Area U3cb 37°02′14″N 116°00′59″W / 37.03728°N 116.01643°W / 37.03728; -116.01643 (Carp)	1,193 m (3,914 ft) – 329.55 m (1,081.2 ft)	underground shaft, weapons development	80 t	Venting detected on site, 1.1 kCi (41 TBq)
Narraguagus	September 27, 1963 17:30:00.15	PST (–8 hrs)	NTS Area U2f 37°09′17″N 116°04′27″W / 37.15473°N 116.07423°W / 37.15473; -116.07423 (Narraguagus)	1,302 m (4,272 ft) – 150.27 m (493.0 ft)	underground shaft, weapons development	80 t	Venting detected, 160 Ci (5,900 GBq)
Grunion	October 11, 1963 14:00:00.11	PST (–8 hrs)	NTS Area U3bz 37°02′14″N 116°01′19″W / 37.03735°N 116.02196°W / 37.03735; -116.02196 (Grunion)	1,193 m (3,914 ft) – 261.31 m (857.3 ft)	underground shaft, weapons development	8 kt	Venting detected, 4 kCi (150 TBq)
Tornillo	October 11, 1963 21:00:00.155	PST (–8 hrs)	NTS Area U9aq 37°07′07″N 116°02′05″W / 37.11867°N 116.03473°W / 37.11867; -116.03473 (Tornillo)	1,267 m (4,157 ft) – 149.05 m (489.0 ft)	underground shaft, peaceful research	380 t	Venting detected, 520 Ci (19,000 GBq)	Plowshare experiment to provide a clean device for excavations.
Clearwater	October 16, 1963 17:00:00.14	PST (–8 hrs)	NTS Area U12q 37°11′53″N 116°13′49″W / 37.19812°N 116.23038°W / 37.19812; -116.23038 (Clearwater)	2,233 m (7,326 ft) – 548.03 m (1,798.0 ft)	underground shaft, weapons development	60 kt	Venting detected, 4.6 kCi (170 TBq)
Mullet	October 17, 1963 15:00:00.15	PST (–8 hrs)	NTS Area U2ag 37°07′51″N 116°04′04″W / 37.13076°N 116.06783°W / 37.13076; -116.06783 (Mullet)	1,275 m (4,183 ft) – 60.35 m (198.0 ft)	underground shaft, safety experiment	less than 20 kt
Shoal	October 26, 1963 17:00:00.1	PST (–8 hrs)	Fallon, Nevada 39°12′00″N 118°22′52″W / 39.20012°N 118.38124°W / 39.20012; -118.38124 (Shoal)	1,603 m (5,259 ft) – 370 m (1,210 ft)	underground shaft, joint verification	12 kt	Venting detected, 110 Ci (4,100 GBq)	Project Vela Uniform, investigation of detection of underground testing.
Anchovy	November 14, 1963 16:00:00.12	PST (–8 hrs)	NTS Area U3bq 37°02′22″N 116°01′09″W / 37.03947°N 116.01913°W / 37.03947; -116.01913 (Anchovy)	1,194 m (3,917 ft) – 260.25 m (853.8 ft)	underground shaft, weapons development	9 kt	Venting detected on site, less than 230 kCi (8,500 TBq)
Mustang	November 15, 1963 15:00:00.15	PST (–8 hrs)	NTS Area U9at 37°07′56″N 116°02′52″W / 37.13226°N 116.04776°W / 37.13226; -116.04776 (Mustang)	1,257 m (4,124 ft) – 165.81 m (544.0 ft)	underground shaft, weapons development	2 kt	Venting detected, 100 Ci (3,700 GBq)
Greys	November 22, 1963 17:30:00.15	PST (–8 hrs)	NTS Area U9ax 37°07′09″N 116°02′46″W / 37.11929°N 116.04604°W / 37.11929; -116.04604 (Greys)	1,248 m (4,094 ft) – 300.84 m (987.0 ft)	underground shaft, weapons development	20 kt	Venting detected, less than 460 Ci (17,000 GBq)
Barracuda – 2 (with Sardine)	December 4, 1963 16:38:30.13	PST (–8 hrs)	NTS Area U3cr 37°02′38″N 116°00′47″W / 37.04386°N 116.01295°W / 37.04386; -116.01295 (Barracuda - 2)	1,202 m (3,944 ft) – 263.3 m (864 ft)	underground shaft, weapons development	less than 20 kt	Venting detected on site, 100 Ci (3,700 GBq)	Simultaneous, separate holes.
Sardine – 1 (with Barracuda)	December 4, 1963 16:38:30.118	PST (–8 hrs)	NTS Area U3ch 37°02′23″N 116°01′48″W / 37.03959°N 116.03009°W / 37.03959; -116.03009 (Sardine - 1)	1,194 m (3,917 ft) – 262 m (860 ft)	underground shaft, weapons development	8 kt	Venting detected on site, 30 Ci (1,100 GBq)	Simultaneous, separate holes.
Eagle	December 12, 1963 16:02:00.15	PST (–8 hrs)	NTS Area U9av 37°07′52″N 116°02′41″W / 37.13098°N 116.04476°W / 37.13098; -116.04476 (Eagle)	1,254 m (4,114 ft) – 164.59 m (540.0 ft)	underground shaft, weapons development	5.3 kt	Venting detected off site, 760 Ci (28,000 GBq)
Tuna	December 20, 1963 15:24:00.13	PST (–8 hrs)	NTS Area U3de 37°03′10″N 116°02′03″W / 37.05277°N 116.03413°W / 37.05277; -116.03413 (Tuna)	1,203 m (3,947 ft) – 414.35 m (1,359.4 ft)	underground shaft, weapons development	less than 20 kt	Venting detected on site, less than 0.1 Ci (3.7 GBq)
Fore	January 16, 1964 16:00:00.15	PST (–8 hrs)	NTS Area U9ao 37°08′31″N 116°03′01″W / 37.14205°N 116.05014°W / 37.14205; -116.05014 (Fore)	1,263 m (4,144 ft) – 490.42 m (1,609.0 ft)	underground shaft, weapons development	38 kt	Venting detected, 1.2 kCi (44 TBq)
Oconto	January 23, 1964 16:00:00.15	PST (–8 hrs)	NTS Area U9ay 37°07′35″N 116°02′14″W / 37.12637°N 116.0372°W / 37.12637; -116.0372 (Oconto)	1,260 m (4,130 ft) – 264.69 m (868.4 ft)	underground shaft, weapons development	10.5 kt	Venting detected off site, 30 kCi (1,100 TBq)
Club	January 30, 1964 16:00:00.15	PST (–8 hrs)	NTS Area U2aa 37°08′10″N 116°04′18″W / 37.13616°N 116.07153°W / 37.13616; -116.07153 (Club)	1,283 m (4,209 ft) – 180.44 m (592.0 ft)	underground shaft, weapons development	2 kt	Venting detected, 590 Ci (22,000 GBq)
Solendon	February 12, 1964 15:38:00.12	PST (–8 hrs)	NTS Area U3cz 37°03′24″N 116°01′48″W / 37.05659°N 116.02998°W / 37.05659; -116.02998 (Solendon)	1,206 m (3,957 ft) – 150.17 m (492.7 ft)	underground shaft, weapons development	less than 20 kt	Venting detected on site, 10 Ci (370 GBq)
Bunker	February 13, 1964 15:30:00.15	PST (–8 hrs)	NTS Area U9bb 37°07′55″N 116°02′00″W / 37.13201°N 116.03325°W / 37.13201; -116.03325 (Bunker)	1,270 m (4,170 ft) – 226.77 m (744.0 ft)	underground shaft, weapons development	1.5 kt	Venting detected on site, less than 420 Ci (16,000 GBq)
Bonefish	February 18, 1964 15:37:19.12	PST (–8 hrs)	NTS Area U3bt 37°03′34″N 116°02′03″W / 37.05937°N 116.03405°W / 37.05937; -116.03405 (Bonefish)	1,207 m (3,960 ft) – 300.76 m (986.7 ft)	underground shaft, weapons development	5 kt	Venting detected, 19 Ci (700 GBq)
Mackerel	February 18, 1964 15:37:37.124	PST (–8 hrs)	NTS Area U4b 37°05′44″N 116°03′06″W / 37.09558°N 116.05159°W / 37.09558; -116.05159 (Mackerel)	1,236 m (4,055 ft) – 333.71 m (1,094.8 ft)	underground shaft, weapons development	less than 20 kt
Klickitat	February 20, 1964 15:30:00.15	PST (–8 hrs)	NTS Area U10e 37°09′03″N 116°02′28″W / 37.15084°N 116.04098°W / 37.15084; -116.04098 (Klickitat)	1,273 m (4,177 ft) – 492.56 m (1,616.0 ft)	underground shaft, peaceful research	70 kt	Venting detected, less than 10 Ci (370 GBq)	A Plowshare device-development experiment to produce an improved nuclear explosive for excavation applications.
Handicap	March 12, 1964 15:00:00.01	PST (–8 hrs)	NTS Area U9ba 37°07′48″N 116°02′14″W / 37.12995°N 116.03726°W / 37.12995; -116.03726 (Handicap)	1,261 m (4,137 ft) – 143.26 m (470.0 ft)	underground shaft, weapons development	200 t	Venting detected on site, 300 Ci (11,000 GBq)
Pike	March 13, 1964 16:02:00.12	PST (–8 hrs)	NTS Area U3cy 37°03′02″N 116°00′44″W / 37.05042°N 116.01224°W / 37.05042; -116.01224 (Pike)	1,211 m (3,973 ft) – 114.5 m (376 ft)	underground shaft, weapons development	2 kt	Venting detected off site, 120 kCi (4,400 TBq)	Vented massively for 69 seconds after detonation until quieted by chimney collapse. Possible fault crack.
Hook	April 14, 1964 14:40:00.15	PST (–8 hrs)	NTS Area U9bc 37°07′44″N 116°01′51″W / 37.12887°N 116.0307°W / 37.12887; -116.0307 (Hook)	1,276 m (4,186 ft) – 203.67 m (668.2 ft)	underground shaft, weapons development	3 kt	Venting detected on site, less than 350 Ci (13,000 GBq)
Sturgeon	April 15, 1964 14:30:00.12	PST (–8 hrs)	NTS Area U3bo 37°02′38″N 116°01′09″W / 37.04393°N 116.01911°W / 37.04393; -116.01911 (Sturgeon)	1,198 m (3,930 ft) – 149.77 m (491.4 ft)	underground shaft, weapons development	2 kt	Venting detected, 230 Ci (8,500 GBq)
Bogey	April 17, 1964 15:29:52.28	PST (–8 hrs)	NTS Area U9au 37°07′10″N 116°02′05″W / 37.11944°N 116.03476°W / 37.11944; -116.03476 (Bogey)	1,265 m (4,150 ft) – 118.84 m (389.9 ft)	underground shaft, weapons development	less than 20 kt	Venting detected on site, less than 60 Ci (2,200 GBq)
Turf	April 24, 1964 20:10:00.15	PST (–8 hrs)	NTS Area U10c 37°08′59″N 116°03′22″W / 37.14982°N 116.05609°W / 37.14982; -116.05609 (Turf)	1,272 m (4,173 ft) – 506.88 m (1,663.0 ft)	underground shaft, weapons development	38 kt	Venting detected, less than 200 Ci (7,400 GBq)
Pipefish	April 29, 1964 20:47:00.12	PST (–8 hrs)	NTS Area U3co 37°02′22″N 116°01′38″W / 37.03954°N 116.02735°W / 37.03954; -116.02735 (Pipefish)	1,194 m (3,917 ft) – 261.92 m (859.3 ft)	underground shaft, weapons development	15 kt	I-131 venting detected, 0
Driver	May 7, 1964 13:00:00.15	PST (–8 hrs)	NTS Area U9ar 37°07′13″N 116°02′28″W / 37.12021°N 116.04116°W / 37.12021; -116.04116 (Driver)	1,253 m (4,111 ft) – 148.19 m (486.2 ft)	underground shaft, weapons development	less than 20 kt	Venting detected on site, 37 Ci (1,400 GBq)
Backswing	May 14, 1964 14:40:00.15	PST (–8 hrs)	NTS Area U9aw 37°07′02″N 116°02′23″W / 37.11729°N 116.03981°W / 37.11729; -116.03981 (Backswing)	1,257 m (4,124 ft) – 163.37 m (536.0 ft)	underground shaft, weapons development	8 kt	Venting detected on site, 37 Ci (1,400 GBq)
Minnow	May 15, 1964 16:15:00.12	PST (–8 hrs)	NTS Area U3cv 37°02′30″N 116°00′47″W / 37.04167°N 116.01297°W / 37.04167; -116.01297 (Minnow)	1,199 m (3,934 ft) – 241.34 m (791.8 ft)	underground shaft, weapons development	6 kt
Ace	June 11, 1964 16:45:00.15	PST (–8 hrs)	NTS Area U2n 37°08′55″N 116°04′37″W / 37.14856°N 116.07687°W / 37.14856; -116.07687 (Ace)	1,300 m (4,300 ft) – 262.74 m (862.0 ft)	underground shaft, peaceful research	3 kt	Venting detected on site, 9 Ci (330 GBq)	A Plowshare device-development experiment to produce an improved nuclear explosive for excavation applications.
Bitterling	June 12, 1964 14:01:00.1	PST (–8 hrs)	NTS Area U3cu 37°02′20″N 116°00′47″W / 37.03892°N 116.01293°W / 37.03892; -116.01293 (Bitterling)	1,196 m (3,924 ft) – 192.6 m (632 ft)	underground shaft, weapons development	500 t
Duffer	June 18, 1964 13:30:00.2	PST (–8 hrs)	NTS Area U10ds 37°09′57″N 116°02′21″W / 37.16595°N 116.03928°W / 37.16595; -116.03928 (Duffer)	1,288 m (4,226 ft) – 445.71 m (1,462.3 ft)	underground shaft, weapons development	150 t	Venting detected, less than 41 Ci (1,500 GBq)
Fade	June 25, 1964 13:30:00.14	PST (–8 hrs)	NTS Area U9be 37°06′40″N 116°01′47″W / 37.11109°N 116.02965°W / 37.11109; -116.02965 (Fade)	1,280 m (4,200 ft) – 205.16 m (673.1 ft)	underground shaft, weapons development	6 kt	Venting detected on site, 35 Ci (1,300 GBq)
Dub	June 30, 1964 13:33:00.14	PST (–8 hrs)	NTS Area U10a 37°10′28″N 116°03′26″W / 37.17434°N 116.05736°W / 37.17434; -116.05736 (Dub)	1,282 m (4,206 ft) – 258.56 m (848.3 ft)	underground shaft, peaceful research	11.7 kt	Venting detected on site, 29 Ci (1,100 GBq)	A Plowshare experiment to develop emplacement techniques.

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