Events | Time & Date | Medium | Yield |
Hardhat | 1700:00.12 Z
15 Feb. 1962 |
Tuff | 4.5 Kt |
Antler | 2304:59.63 Z
15 Sept. 1961 |
Alluvium | 2.4 Kt |
Fisher | 1800:0010. Z
3 Dec. 1961 |
Granite | 13.5 Kt |
Event | Time and Date | Medium | Yield | Depth | Surface Collapse |
Agouti | 1800:00.13 Z
18 Jan. 1962 |
Alluvium | 5.9 Kt | 835' | Yes |
Aardvark | 1800:00.10 Z
12 May 1962 |
Alluvium | 40 Kt | 1434' | Yes |
Name | Yield | Date | Depth | Medium |
Haymaker | 48 Kt | 6/27/62 | 1351 ft | Alluvium |
Cimarron | 1 � 2 Kt | 2/23/62 | 1000 ft | Alluvium |
Armadillo | 6.6 � .7 Kt | 2/9/62 | 796 ft | Alluvium |
Stillwater | 2.8 � .3 Kt | 2/8/62 | 625 ft | Alluvium |
Chinchilla | 1.8 � .2 Kt | 2/19/62 | 504 ft | Alluvium |
Mad | 430 � 40 tons | 12/13/61 | 603 ft | Alluvium |
Test Event | Date | Operation and Location | Yield |
KOON | April 7, 1954 | Castle-Bikini | 110 kt |
LACROSSE | May 4, 1956 | Redwing-Eniwetok | 40 kt |
ZUNI | May 27, 1956 | Redwing-Bikini | 3530 kt |
SEMINOLE | June 6, 1956 | Redwing-Eniwetok | 12 kt |
TEWA | July 20, 1956 | Redwing-Bikini | 5010 kt |
CACTUS | May 6, 1958 | Hardtack-Eniwetok | 18 kt |
KOA | May 13, 1958 | Hardtack-Eniwetok | 1370 kt |
OAK | June 29, 1958 | Hardtack-Eniwetok | 8900 kt |
Event | Date | Predicted | Actual |
Benham | 12/19/68 | 1.1 MT | 1.1 MT (est.) |
Boxcar | 4/26/68 | 1.1 MT | 1.2 MT |
Chartreuse | 5/6/66 | 70 KT | |
Duryea | 4/14/66 | 65 KT | |
Greeley | 12/20/66 | 830 KT | 825 KT |
Halfbeak | 6/30/66 | 300 KT | |
Knickerbocker | 5/26/67 | 71 KT | |
Rex | 2/24/66 | 16 KT | |
Scotch | 5/23/67 | 150 KT |
Event Name | Date | Type of Burst |
---|---|---|
Yuma | 05/27/56 | Tower |
Kickapoo | 06/13/56 | Tower |
Inca | 06/21/56 | Tower |
Mohawk | 07/02/56 | Tower |
Pisonia | 07/17/58 | Barge |
Fig | 08/18/58 | Platform |
Quince | 08/06/58 | Platform |
Safety Experiment: | ||
Scaevola | 07/14/58 | Barge |
Event | Yield | Date |
Mississippi | 110 Kt | 10/5/62 |
Commodore | 250 Kt | 5/20/67 |
Calabash | 110 Kt | 10/29/69 |
Flask | 105 Kt | 5/26/70 |
Carpet Bag | 220 Kt | 12/17/70 |
Delphinium | 15 Kt | 9/26/72 |
Starwort | 79 Kt | 4/26/73 |
Event Name | Date | Time
GCT |
Location | Type of
Burst |
Remarks |
Bernal | 11/28/73 | 15:30 | NTS | Underground | Under 20 kt. |
Misty North | 5/2/72 | 19:15 | NTS | Underground | Under 20 kt. |
Ming Blade | 6/19/72 | 16:00 | NTS | Underground | Under 20 kt. |
Event | Date | Location | Type
of Burst |
Yields |
Baneberry | 12/18/70 | NTS | Underground | 10.0 kt. |
Cruet | 0/29/69 | NTS | Underground | 11.0 kt. |
Cyathus | 03/06/70 | NTS | Underground | 8.7 kt. |
Labis | 02/05/70 | NTS | Underground | 25.0 kt. |
Name | Date | Location | Type of
Burst |
Yield |
Romeo | March 26, 1954 | Bikini | Barge | 11Mt |
Union | April 25, 1954 | Bikini | Barge | 6.9Mt |
Yankee | Bikini | Barge | 13.5Mt | |
Nectar | May 4, 1954
May 13, 1954 |
Eniwetok | Barge | 1.69Mt |
Event | Date | Yield (Kt.) |
Jornada
Atrisco Chancellor Cybar Hearts |
January 28, 1982
|
139
138 143 119 140 |
Name | Date | Location | Type | Yield
(in kilotons) |
Operation Greenhouse | ||||
Dog
George Item |
4/07/51
5/08/51 5/24/51 |
Eniwetok
Eniwetok Eniwetok |
Tower
Tower Tower |
81
225 45.5 |
Operation Redwing | ||||
Cherokee
Yuma Erie Flathead Blackfoot Kickapoo Osage Inca Dakota Mohawk Apache Navajo Huron |
5/20/56
5/27/56 5/30/56 6/11/56 6/11/56 6/13/56 6/16/56 6/21/56 6/25/56 7/02/56 7/08/56 7/10/56 7/21/56 |
Bikini
Eniwetok Eniwetok Bikini Eniwetok Eniwetok Eniwetok Eniwetok Bikini Eniwetok Eniwetok Bikini Eniwetok |
Airdrop
Tower Tower Barge Tower Tower Airdrop Tower Barge Tower Barge Barge Barge |
3800
0.19 14.9 356 8 1.49 1.7 15.2 1100 360 1850 4500 250 |
Operation Hardtack I | ||||
Yucca
Fir Butternut Wahoo Holly Nutmeg Yellowwood Magnolia Tobacco Sycamore Rose Umbrella Maple Aspen Walnut Linden Redwood Elder Hickory Sequoia Cedar Dogwood Poplar Scaevola Pisonia Juniper Olive Pine Teak Quince Orange Fig |
4/28/58
5/11/58 5/11/58 5/16/58 5/20/58 5/21/58 5/26/58 5/26/58 5/30/58 5/31/58 6/02/58 6/08/58 6/10/58 6/14/58 6/14/58 6/18/58 6/27/58 6/27/58 6/29/58 7/01/58 7/02/58 7/05/58 7/05/58 7/14/58 7/17/58 7/22/58 7/22/58 7/26/58 8/01/58 8/06/58 8/12/58 8/18/58 |
Pacific
Bikini Eniwetok Eniwetok Eniwetok Bikini Eniwetok Eniwetok Eniwetok Bikini Eniwetok Eniwetok Bikini Bikini Eniwetok Eniwetok Bikini Eniwetok Bikini Eniwetok Bikini Eniwetok Bikini Eniwetok Eniwetok Bikini Eniwetok Eniwetok Johnston Eniwetok Johnston Eniwetok |
Balloon
Barge Barge Underwater Barge Barge Barge Barge Barge Barge Barge Underwater Barge Barge Barge Barge Barge Barge Barge Barge Barge Barge Barge Barge Barge Barge Barge Barge Rocket Surface Rocket Surface |
1.7
1360 81 9 5.9 2.51 330 57 11.6 92 15 8 213 319 1450 11 412 880 14 5.2 220 397 9300 0* 255 65 202 2000 3800 0** 3800 0.02 |
*safety experiment
**weapons related, yield was not up to expectation |
Yields of Tests Conducted in Pacific
After the 1958 - 1961 Moratorium |
|||||
---|---|---|---|---|---|
Test | Date | Location | Type | Purpose | Yield
(kilotons) |
Operation Dominic | |||||
Adobe
Aztec Arkansas Questa Yukon Mesilla Muskegon Encino Swanee Chetco Tanana Nambe Alma Truckee Yeso Harlem Rinconada Dulce Petit Otowi Bighorn Bluestone Sunset Pamlico Androscoggin Bumping Chama Calamity Housatonic |
04/25/62
04/25/62 05/02/62 05/04/62 05/08/62 05/09/62 05/11/62 05/12/62 05/14/62 05/19/62 05/25/62 05/27/62 06/08/62 06/09/62 06/10/62 06/12/62 06/15/62 06/17/62 06/19/62 06/22/62 06/26/62 06/30/62 07/10/62 07/11/62 10/02/62 10/06/62 10/18/62 10/27/62 10/30/62 |
Christmas Is.
Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Christmas Is. Johnston Is. Johnston Is. Johnston Is. Johnston Is. Johnston Is. |
Airdrop
Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop Airdrop |
Weapons Related
Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related |
190
410 1090 670 100 100 50 500 97 73 2.6 43 782 210 3000 1200 800 52 2.2 81.5 7650 1270 1000 3880 75 11.3 1590 800 8300 |
Yields of Underground Tests Conducted at the Nevada Test Site
Released Radioactivity Detected Off Site |
|||||
---|---|---|---|---|---|
Test | Date | Location | Type | Purpose | Yield
(kilotons) |
Feather
Pampas Eel Des Moines Bandicoot Yuba Eagle Oconto Alva Alpaca Tee Fenton Derringer Nash Umber Pod Scuttle Snubber Riola Glencoe |
12/22/61
03/01/62 05/19/62 06/13/62 10/19/62 06/05/63 12/12/63 01/01/64 08/19/64 02/12/65 05/07/65 04/23/66 09/12/66 01/19/67 06/29/67 10/29/69 11/13/69 04/21/70 09/25/80 03/22/86 |
NTS
NTS NTS NTS NTS NTS NTS NTS NTS NTS NTS NTS NTS NTS NTS NTS NTS NTS NTS NTS |
Tunnel
Shaft Shaft Tunnel Shaft Tunnel Shaft Shaft Shaft Shaft Shaft Shaft Shaft Shaft Shaft Shaft Shaft Shaft Shaft Shaft |
Weapons Related
Joint US-UK Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Related Weapons Effects Weapons Related Weapons Effects Weapons Related Weapons Effects Weapons Related Weapons Related Weapons Effects Weapons Related Weapons Related |
0.15
9.5 4.9 2.9 12.5 3.1 5.3 10.5 4.4 0.33 7 1.4 7.8 39 10 16.7 1.7 12.7 1.07 29 |
UNITED STATES, UNITED KINGDOM, AND SOVIET
NUCLEAR EVENTS (Yield in Kilotons) |
|||||
Inclusive Years | Fission Yield* | Total Yield | |||
---|---|---|---|---|---|
Air Burst | Ground Surface Burst | Water Surface Burst | Air Burst | Surface Burst | |
1945-1951 | 190 | 550 | 20 | 190 | 570 |
1952-1954 | 1000 | 15000 | 22000 | 1000 | 59000 |
1955-1956 | 5600 | 1500 | 6000 | 11000 | 17000 |
1957-1958 | 31000 | 4400 | 4600 | 57000 | 28000 |
* A value of 50% has been arbitrarily selected for the fission to total yield ratio for all Soviet thermonuclear tests. As indicated in the tables, 50% is about the average fission to total yield ratio for all US/UK thermonuclear tests. |
SOVIET NUCLEAR EVENTS
(Yield in Kilotons) |
|
---|---|
Inclusive | Total Fission Yield* |
1945-1951 | 60 |
1951-1954 | 500 |
1955-1956 | 4000 |
1957-1958 | 21000 |
* A value of 50% has been arbitrarily selected for the fission to total yield ratio for all Soviet thermonuclear tests. As indicated in the tables, 50% is about the average fission to total yield ratio for all US/UK thermonuclear tests. |
UNITED STATES AND UNITED KINGDOM NUCLEAR EVENTS
(Yield in Kilotons) |
||
---|---|---|
Year | Total Fission
Yield |
Total Fission Yield From Greater
than 1MT Total Yield Events |
1945 | 60 | |
1946 | 40 | |
1948 | 100 | |
1951 | 500 | |
1952-1954 | 37000 | 36000 |
1955 | 200 | |
1956 | 9000 | 8000 |
1957-1958 | 19000 | 14000 |
Year | Country and Location | Number of Tests | Approximate Yields (Megaton) | |
---|---|---|---|---|
Fission | Total | |||
1966 | Communist China-Lop Nor
France-South Pacific |
3
5 |
0.5
0.8 |
0.6
0.9 |
1967 | Communist China-Lop Nor
France-South Pacific |
2
3 |
2.0
0.2 |
3.0
0.2 |
1968 | Communist China-Lop Nor
France-South Pacific |
1
5 |
1.5
4.2 |
3.0
4.7 |
1969 | Communist China-Lop Nor | 1 | 1.5 | 3.0 |