Chernobyl disaster
E85175
historical event
industrial accident
man-made disaster
nuclear disaster
radiological contamination event
The Chernobyl disaster was a catastrophic 1986 nuclear power plant accident in Soviet-era Ukraine that released massive radioactive contamination across Europe and became one of the worst nuclear disasters in history.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Chernobyl | 2 |
Statements (61)
| Predicate | Object |
|---|---|
| instanceOf |
historical event
ⓘ
industrial accident ⓘ man-made disaster ⓘ nuclear disaster ⓘ radiological contamination event ⓘ |
| cause |
flawed reactor design
ⓘ
poor safety culture ⓘ violation of operating procedures ⓘ |
| cleanupOperationName | liquidation ⓘ |
| cleanupWorkersTerm | liquidators ⓘ |
| commemorationDate | 26 April each year ⓘ |
| contaminationSpreadTo |
Belarus
ⓘ
Central Europe ⓘ Russia ⓘ Scandinavia ⓘ Ukraine ⓘ Western Europe ⓘ |
| countryAtTime | Soviet Union ⓘ |
| culturalImpact | numerous books, films, and documentaries ⓘ |
| date | 1986-04-26 ⓘ |
| directWorkerAndFirefighterDeaths | 28 from acute radiation syndrome ⓘ |
| estimatedAffectedPeople | hundreds of thousands ⓘ |
| evacuatedCity | Pripyat ⓘ |
| evacuationRadiusExpanded | 30 km ⓘ |
| evacuationRadiusInitial | 10 km ⓘ |
| firstInternationalDetection | Forsmark Nuclear Power Plant in Sweden ⓘ |
| immediateDeaths | 31 ⓘ |
| impactOnEnergyPolicy | slowed nuclear power expansion in Europe ⓘ |
| impactOnEnvironment | creation of Chernobyl radiation-affected ecosystem ⓘ |
| initialInformationHandling | Soviet government secrecy ⓘ |
| internationalScaleRating | INES level 7 ⓘ |
| ledTo |
creation of international nuclear safety conventions
ⓘ
reforms in nuclear safety standards ⓘ |
| location |
Chernobyl Nuclear Power Plant
ⓘ
Kyiv Oblast NERFINISHED ⓘ Soviet Ukraine ⓘ
surface form:
Ukrainian SSR
near Pripyat ⓘ |
| longTermHealthConcern |
increased cancer risk
ⓘ
psychological trauma ⓘ thyroid cancer in exposed children ⓘ |
| memorializedBy | Chernobyl Museum in Kyiv ⓘ |
| newSafeConfinementCompletionYear | 2016 ⓘ |
| notableDramatization |
Chernobyl
ⓘ
surface form:
2019 HBO miniseries Chernobyl
|
| oneOfWorstNuclearAccidentsWith | Fukushima Daiichi nuclear disaster ⓘ |
| operator | Soviet nuclear power authorities ⓘ |
| protectiveStructure |
Chernobyl Nuclear Power Plant
ⓘ
surface form:
Chernobyl Nuclear Power Plant sarcophagus
New Safe Confinement ⓘ |
| radioisotopesReleased |
cesium-137
ⓘ
iodine-131 ⓘ plutonium isotopes ⓘ strontium-90 ⓘ |
| reactorInvolved | Reactor No. 4 ⓘ |
| reactorType | RBMK-1000 ⓘ |
| result |
core meltdown
ⓘ
creation of Chernobyl Exclusion Zone ⓘ graphite fire ⓘ long-term environmental contamination ⓘ massive radioactive release ⓘ steam explosion ⓘ |
| triggerEvent | late-night safety test ⓘ |
| year | 1986 ⓘ |
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Chernobyl
this entity surface form:
Chernobyl