Samarco mining disaster
E1103683
UNEXPLORED
The Samarco mining disaster was a 2015 dam collapse in Brazil that released millions of tons of iron ore waste, causing widespread environmental devastation and contamination of the Doce River and surrounding communities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Samarco mining disaster canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T14495665 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Samarco mining disaster Context triple: [Doce River, affectedBy, Samarco mining disaster]
-
A.
2010 Copiapó mining accident
The 2010 Copiapó mining accident was a Chilean mine collapse in which 33 miners were trapped underground for 69 days before being dramatically rescued in a globally televised operation.
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B.
Salvador mine
Salvador mine is a Chilean copper mining operation owned and operated by the state-owned company Codelco.
-
C.
Armero tragedy
The Armero tragedy was a catastrophic 1985 lahar disaster in Colombia that buried the town of Armero and killed over 20,000 people following the eruption of the Nevado del Ruiz volcano.
-
D.
Argonaut Mine disaster
The Argonaut Mine disaster was a 1922 gold mine fire in Jackson, California, that killed 47 miners and became one of the deadliest hard-rock mining accidents in U.S. history.
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E.
Minera Escondida
Minera Escondida is one of the world’s largest and most productive copper mines, located in northern Chile’s Atacama Desert.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Samarco mining disaster Target entity description: The Samarco mining disaster was a 2015 dam collapse in Brazil that released millions of tons of iron ore waste, causing widespread environmental devastation and contamination of the Doce River and surrounding communities.
-
A.
2010 Copiapó mining accident
The 2010 Copiapó mining accident was a Chilean mine collapse in which 33 miners were trapped underground for 69 days before being dramatically rescued in a globally televised operation.
-
B.
Salvador mine
Salvador mine is a Chilean copper mining operation owned and operated by the state-owned company Codelco.
-
C.
Armero tragedy
The Armero tragedy was a catastrophic 1985 lahar disaster in Colombia that buried the town of Armero and killed over 20,000 people following the eruption of the Nevado del Ruiz volcano.
-
D.
Argonaut Mine disaster
The Argonaut Mine disaster was a 1922 gold mine fire in Jackson, California, that killed 47 miners and became one of the deadliest hard-rock mining accidents in U.S. history.
-
E.
Minera Escondida
Minera Escondida is one of the world’s largest and most productive copper mines, located in northern Chile’s Atacama Desert.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.