Cannikin
E596172
Cannikin was a 1971 underground U.S. nuclear test on Amchitka Island in Alaska, notable for being one of the largest underground detonations ever conducted by the United States.
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Cold War military operation
ⓘ
nuclear weapons test ⓘ |
| associatedProgram | Safeguard ABM system NERFINISHED ⓘ |
| codeName | Cannikin NERFINISHED ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| craterDepth | approximately 60 meters ⓘ |
| craterDiameter | approximately 1.5 kilometers ⓘ |
| date | 1971-11-06 ⓘ |
| depthOfBurial | approximately 1,790 meters ⓘ |
| devicePlacement | vertical shaft ⓘ |
| environmentalConcerns |
potential radioactive contamination
ⓘ
risk of earthquakes and tsunamis ⓘ |
| era | Cold War ⓘ |
| hasAftereffects | formation of a subsidence crater ⓘ |
| hasLanguageOfWorkOrName | English ⓘ |
| isFollowedBy | moratorium on further nuclear testing at Amchitka ⓘ |
| isLocatedInProtectedArea | true ⓘ |
| isOnIsland | true ⓘ |
| isPartOf | United States nuclear testing program NERFINISHED ⓘ |
| location |
Alaska
NERFINISHED
ⓘ
Aleutian Islands NERFINISHED ⓘ Amchitka Island NERFINISHED ⓘ |
| notableFor | being one of the largest underground nuclear tests conducted by the United States ⓘ |
| operator | United States Atomic Energy Commission NERFINISHED ⓘ |
| partOfConflict | Cold War nuclear arms race NERFINISHED ⓘ |
| politicalControversy | concerns over seismic and ecological impact ⓘ |
| protests | opposed by environmental and peace groups ⓘ |
| purpose | proof test of a thermonuclear warhead design ⓘ |
| region | North Pacific Ocean NERFINISHED ⓘ |
| relatedEvent | early Greenpeace anti-nuclear campaigns ⓘ |
| relatedOrganization | Greenpeace NERFINISHED ⓘ |
| relatedTo | U.S.–Soviet strategic arms competition NERFINISHED ⓘ |
| safetyMeasures | extensive geological and seismic studies prior to detonation ⓘ |
| seismicMagnitude | approximately 7.0 ⓘ |
| testingAuthority |
United States Atomic Energy Commission
NERFINISHED
ⓘ
United States Department of Defense NERFINISHED ⓘ |
| testSeries | Operation Grommet NERFINISHED ⓘ |
| testSite | Amchitka test site NERFINISHED ⓘ |
| testType | underground shaft test ⓘ |
| underground | true ⓘ |
| warheadTested | Spartan anti-ballistic missile warhead ⓘ |
| year | 1971 ⓘ |
| yield | approximately 5 megatons of TNT ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.