Enewetak Atoll

E59844

Enewetak Atoll is a coral atoll in the Pacific Ocean best known as a major U.S. nuclear weapons testing site during the mid-20th century.

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Observed surface forms (4)


Statements (48)

Predicate Object
instanceOf atoll
coral atoll
former nuclear test site
administeredAs Trust Territory of the Pacific Islands
administeredBy United States of America
surface form: United States (historical)
area approximately 5.85 square kilometers of land
BattleOfEniwetokDate February 1944
capturedBy United States Armed Forces in World War II
surface form: United States forces in World War II
containsIsland Enewetak Atoll self-linksurface differs
surface form: Enewetak Island

Enjebi Island NERFINISHED
Runit Island
containsStructure Runit Dome
country Marshall Islands NERFINISHED
environmentalIssue radioactive contamination
rising sea levels threatening Runit Dome
evacuationOfResidents 1947
governingCouncil Enewetak Atoll self-linksurface differs
surface form: Enewetak Atoll Local Government
ISOCode MH-040
IvyMikeTestDate 1952-11-01
IvyMikeYield 10.4 megatons of TNT
lagoonArea approximately 1,000 square kilometers
largestTestYieldLocation Teller–Ulam design
surface form: Ivy Mike
locatedIn Pacific Ocean
Ralik Chain
nuclearTestingPeriodEnd 1958
nuclearTestingPeriodStart 1948
numberOfIslands about 40
numberOfNuclearTests 43
partialResettlement 1980
partOf Republic of the Marshall Islands NERFINISHED
population several hundred (21st century)
preWarMandate South Seas Mandate
preWarSovereign Japan
surface form: Empire of Japan
RunitDomeAlsoKnownAs Cactus Dome
RunitDomeConstructionPeriod 1977–1980
RunitDomeContents radioactive soil and debris
RunitDomePurpose nuclear waste containment
sovereignState Marshall Islands NERFINISHED
testSeriesConducted Operation Castle
U.S. thermonuclear weapons program
surface form: Operation Greenhouse

Operation Hardtack I
Operation Ivy
Operation Redwing
Operation Sandstone
timeZone UTC+12
usedBy United States of America
surface form: United States
usedFor nuclear weapons testing
WorldWarIIBattle Battle of Eniwetok

Referenced by (9)

Full triples — surface form annotated when it differs from this entity's canonical label.

Enewetak Atoll containsIsland Enewetak Atoll self-linksurface differs
this entity surface form: Enewetak Island
Marshall Islands containsTestSite Enewetak Atoll
Enewetak Atoll governingCouncil Enewetak Atoll self-linksurface differs
this entity surface form: Enewetak Atoll Local Government
Marshall Islands hasAtoll Enewetak Atoll
RMI hasAtoll Enewetak Atoll
subject surface form: Republic of the Marshall Islands
Fermium hasDiscoveryLocation Enewetak Atoll
this entity surface form: Enewetak Atoll (test site debris source)
U.S. Pacific territories hasMember Enewetak Atoll
this entity surface form: U.S. Pacific atolls
Ralik Chain hasPart Enewetak Atoll