summit crater Arenas
E827983
Summit crater Arenas is the main volcanic crater at the peak of Colombia’s Nevado del Ruiz stratovolcano, known for its role in past explosive eruptions and associated hazards.
All labels observed (1)
| Label | Occurrences |
|---|---|
| summit crater Arenas canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9886516 — 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: summit crater Arenas Context triple: [Nevado del Ruiz, hasFeature, summit crater Arenas]
-
A.
Fisher Caldera
Fisher Caldera is a large volcanic caldera on Unimak Island in Alaska’s Aleutian Islands, known for its expansive crater and association with significant volcanic activity.
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B.
Red Crater
Red Crater is a prominent volcanic crater and viewpoint within New Zealand’s Tongariro National Park, known for its vivid red rock and dramatic alpine scenery.
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C.
Las Cañadas caldera
Las Cañadas caldera is a vast volcanic crater on Tenerife in Spain’s Canary Islands, forming the dramatic high-altitude basin surrounding Mount Teide.
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D.
El Tatio geyser field
El Tatio geyser field is a high-altitude geothermal area in northern Chile’s Andes, famous for its numerous active geysers, steaming fumaroles, and dramatic sunrise landscapes.
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E.
Silverthrone Caldera
Silverthrone Caldera is a large, remote volcanic caldera and ice-covered massif in the Coast Mountains of British Columbia, Canada, known for its extensive glaciation and rugged terrain.
- 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: summit crater Arenas Target entity description: Summit crater Arenas is the main volcanic crater at the peak of Colombia’s Nevado del Ruiz stratovolcano, known for its role in past explosive eruptions and associated hazards.
-
A.
Fisher Caldera
Fisher Caldera is a large volcanic caldera on Unimak Island in Alaska’s Aleutian Islands, known for its expansive crater and association with significant volcanic activity.
-
B.
Red Crater
Red Crater is a prominent volcanic crater and viewpoint within New Zealand’s Tongariro National Park, known for its vivid red rock and dramatic alpine scenery.
-
C.
Las Cañadas caldera
Las Cañadas caldera is a vast volcanic crater on Tenerife in Spain’s Canary Islands, forming the dramatic high-altitude basin surrounding Mount Teide.
-
D.
El Tatio geyser field
El Tatio geyser field is a high-altitude geothermal area in northern Chile’s Andes, famous for its numerous active geysers, steaming fumaroles, and dramatic sunrise landscapes.
-
E.
Silverthrone Caldera
Silverthrone Caldera is a large, remote volcanic caldera and ice-covered massif in the Coast Mountains of British Columbia, Canada, known for its extensive glaciation and rugged terrain.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | volcanic crater ⓘ |
| associatedWithEvent | 1985 Armero tragedy NERFINISHED ⓘ |
| contains |
active vents
ⓘ
crater floor ⓘ fumaroles ⓘ inner cones and domes ⓘ |
| country | Colombia ⓘ |
| countryCode | CO ⓘ |
| coveredBy |
glacier remnants
ⓘ
ice cap ⓘ |
| diameter |
about 0.6 miles
ⓘ
about 1 kilometre ⓘ |
| elevationAboveSeaLevel |
about 17457 feet
ⓘ
about 5321 metres ⓘ |
| eruptionStyle |
explosive
ⓘ
phreatic ⓘ phreatomagmatic ⓘ |
| gasEmissionType |
carbon dioxide
ⓘ
sulfur dioxide ⓘ |
| geologicalAge | Quaternary ⓘ |
| hasActivity |
gas emissions
ⓘ
persistent fumarolic activity ⓘ seismic unrest ⓘ |
| hazardType |
glacial meltwater floods
ⓘ
lahars ⓘ pyroclastic flows ⓘ tephra falls ⓘ |
| lastEruptionFrom | Nevado del Ruiz 1985 eruption NERFINISHED ⓘ |
| locatedIn |
Andes
ⓘ
Cordillera Central NERFINISHED ⓘ Nevado del Ruiz NERFINISHED ⓘ |
| locatedInAdministrativeTerritory |
Caldas Department
NERFINISHED
ⓘ
Tolima Department NERFINISHED ⓘ |
| locatedOn |
glaciated volcano
ⓘ
stratovolcano ⓘ |
| monitoredBy |
Observatorio Vulcanológico y Sismológico de Manizales
NERFINISHED
ⓘ
Servicio Geológico Colombiano NERFINISHED ⓘ |
| nearbySettlementAtRisk |
Armero (destroyed in 1985)
NERFINISHED
ⓘ
Chinchiná NERFINISHED ⓘ Manizales NERFINISHED ⓘ Mariquita NERFINISHED ⓘ Villamaría NERFINISHED ⓘ |
| partOf | Nevado del Ruiz NERFINISHED ⓘ |
| partOfVolcanicArc | Northern Andes volcanic zone NERFINISHED ⓘ |
| shape | roughly circular ⓘ |
| tectonicSetting | subduction of Nazca Plate beneath South American Plate ⓘ |
| volcanoTypeOfHost | stratovolcano ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: summit crater Arenas Description of subject: Summit crater Arenas is the main volcanic crater at the peak of Colombia’s Nevado del Ruiz stratovolcano, known for its role in past explosive eruptions and associated hazards.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.