Cerro Negro
E420433
Cerro Negro is an active cinder cone volcano in western Nicaragua, known for its frequent eruptions and for being a popular site for volcano boarding.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Cerro Negro canonical | 3 |
| Cerro Negro volcano | 3 |
| Cerro Negro Volcano | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3986200 — 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: Cerro Negro Context triple: [Momotombo, hasNearbyVolcano, Cerro Negro]
-
A.
Cerro Negro de Chiles
Cerro Negro de Chiles is a stratovolcano in the northern Andes on the Colombia–Ecuador border, known as part of the active volcanic chain of the region.
-
B.
San Pablo volcano
San Pablo volcano is a stratovolcano in northern Chile’s Andes, known for its high elevation and proximity to the more prominent San Pedro volcano.
-
C.
Sumaco volcano
Sumaco volcano is an isolated, forest-covered stratovolcano in the eastern Andes of Ecuador, notable for its biodiversity and relatively infrequent eruptions.
-
D.
Irazú Volcano
Irazú Volcano is an active stratovolcano in central Costa Rica known for its large crater, acidic green lake, and panoramic views over both the Pacific and Caribbean on clear days.
-
E.
San Pedro volcano
San Pedro volcano is a prominent stratovolcano in northern Chile’s Andes, known for its high elevation, arid surroundings, and association with the Central Volcanic Zone.
- 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: Cerro Negro Target entity description: Cerro Negro is an active cinder cone volcano in western Nicaragua, known for its frequent eruptions and for being a popular site for volcano boarding.
-
A.
Cerro Negro de Chiles
Cerro Negro de Chiles is a stratovolcano in the northern Andes on the Colombia–Ecuador border, known as part of the active volcanic chain of the region.
-
B.
San Pablo volcano
San Pablo volcano is a stratovolcano in northern Chile’s Andes, known for its high elevation and proximity to the more prominent San Pedro volcano.
-
C.
Sumaco volcano
Sumaco volcano is an isolated, forest-covered stratovolcano in the eastern Andes of Ecuador, notable for its biodiversity and relatively infrequent eruptions.
-
D.
Irazú Volcano
Irazú Volcano is an active stratovolcano in central Costa Rica known for its large crater, acidic green lake, and panoramic views over both the Pacific and Caribbean on clear days.
-
E.
San Pedro volcano
San Pedro volcano is a prominent stratovolcano in northern Chile’s Andes, known for its high elevation, arid surroundings, and association with the Central Volcanic Zone.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
active volcano
ⓘ
cinder cone ⓘ volcano ⓘ |
| color | black ⓘ |
| composition | basaltic tephra ⓘ |
| country | Nicaragua ⓘ |
| discoveredAsVolcano | 1850 eruption ⓘ |
| distanceFrom | about 25 km east of León ⓘ |
| elevation |
728 m
ⓘ
about 2400 ft ⓘ |
| eruptionType | Strombolian ⓘ |
| firstEruption | 1850 ⓘ |
| formedBy | successive eruptions since 1850 ⓘ |
| hasEruptedIn |
1867
ⓘ
1899 ⓘ 1914 ⓘ 1923 ⓘ 1947 ⓘ 1968 ⓘ 1969 ⓘ 1992 ⓘ 1995 ⓘ |
| hazard |
ash fall
ⓘ
lava flows ⓘ pyroclastic flows ⓘ |
| languageOfName | Spanish ⓘ |
| lastEruption | 1999 ⓘ |
| locatedIn |
León Department
ⓘ
western Nicaragua ⓘ |
| monitoringBy | Nicaraguan Institute of Territorial Studies ⓘ |
| mountainRange | Cordillera de los Maribios ⓘ |
| nameMeaning | Black Hill ⓘ |
| nearCity |
León
ⓘ
Malpaisillo ⓘ |
| notableFor |
frequent eruptions
ⓘ
volcano boarding ⓘ |
| partOf |
Central America
ⓘ
Central American Volcanic Arc ⓘ |
| region | Pacific volcanic chain of Nicaragua ⓘ |
| slopeUse | sandboarding ⓘ |
| surfaceMaterial |
loose volcanic ash
ⓘ
volcanic cinders ⓘ |
| touristActivity |
hiking
ⓘ
volcano boarding ⓘ |
| touristAttractionFor | adventure tourism ⓘ |
| volcanoType | cinder cone volcano ⓘ |
| youngestVolcanoIn | Nicaragua ⓘ |
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: Cerro Negro Description of subject: Cerro Negro is an active cinder cone volcano in western Nicaragua, known for its frequent eruptions and for being a popular site for volcano boarding.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Cerro Negro
linked to: Cerro Negro
subject linked to:
western Nicaragua
linked to: Cerro Negro
linked to: Cerro Negro