Rongelap Atoll

E61541

Rongelap Atoll is a coral atoll in the central Pacific Ocean best known for being heavily contaminated by fallout from U.S. nuclear testing at Bikini Atoll in the 1950s.

Aliases (4)
  • Rongelap Island ×2
  • Rongelap ×1
  • Rongelap Atoll Local Government (RALGOV) ×1
  • Rongelap Municipality ×1

Statements (48)
Predicate Object
instanceOf atoll
coral atoll
administeredBy Trust Territory of the Pacific Islands (historically)
United States (historically under UN trusteeship)
affectedBy Castle Bravo nuclear test
U.S. nuclear testing program in the Marshall Islands
capitalOf Rongelap Municipality
climate tropical marine climate
country Republic of the Marshall Islands
dateOfMajorFalloutExposure 1954-03-01
distanceFromBikiniAtoll about 160 kilometers east
environmentalIssue cesium-137 contamination
long-term radioactive contamination
strontium-90 contamination
evacuatedBy Greenpeace ship Rainbow Warrior in 1985
evacuationOccurred 1954
falloutSource Bikini Atoll
governedAs Rongelap Atoll Local Government (RALGOV)
hasAlternativeName Rongelap
hasEthnicGroup Marshallese
hasLagoonArea about 1000 square kilometers
hasLandArea about 8 square kilometers
hasMainIsland Rongelap Island
hasMunicipalityStatus municipality of the Marshall Islands
hasNumberOfIslands 61
hasSettlement Bokon Island
Eniaetok Island
Rongelap Island
healthEffectsObserved birth defects
cancers
thyroid disease
knownFor exposure to fallout from U.S. nuclear testing at Bikini Atoll
radioactive contamination from nuclear fallout
languageUsed English language
Marshallese language
locatedIn Marshall Islands
Pacific Ocean
Ratak Chain
central Pacific Ocean
nearbyAtoll Ailinginae Atoll
Bikini Atoll
Rongerik Atoll
partOf Micronesia
Ratak Chain of the Marshall Islands
re-evacuationOccurred 1985
repopulationAttempt 1957
sovereignState Marshall Islands
timeZone UTC+12

Referenced by (7)
Subject (surface form when different) Predicate
Rongelap Atoll ("Rongelap Municipality")
capitalOf
Rongelap Atoll ("Rongelap Atoll Local Government (RALGOV)")
governedAs
Rongelap Atoll ("Rongelap")
hasAlternativeName
Marshall Islands
hasAtoll
Rongelap Atoll ("Rongelap Island")
hasMainIsland
Ralik Chain
hasPart
Rongelap Atoll ("Rongelap Island")
hasSettlement

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