Maderas Volcano
E92146
Maderas Volcano is a dormant stratovolcano on Ometepe Island in southwestern Nicaragua, known for its cloud forest, crater lake, and rich biodiversity.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Maderas Volcano canonical | 7 |
| Maderas Volcano crater | 1 |
| Maderas volcano | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T738629 — 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: Maderas Volcano Context triple: [Lake Nicaragua, hasVolcano, Maderas Volcano]
-
A.
Lascar volcano
Lascar volcano is an active stratovolcano in northern Chile known for its frequent eruptions and prominent ash plumes within the Central Volcanic Zone of the Andes.
-
B.
Tupungatito volcano
Tupungatito volcano is an active stratovolcano in the central Andes on the Chile–Argentina border, known for frequent small eruptions and its role in the Andean volcanic arc.
-
C.
Ubinas volcano
Ubinas volcano is an active stratovolcano in southern Peru known for its frequent eruptions and status as one of the country's most hazardous volcanoes.
-
D.
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.
-
E.
Ollagüe volcano
Ollagüe volcano is a large, active stratovolcano straddling the border between Chile and Bolivia in the high Andes, noted for its persistent fumarolic activity and extensive lava flows.
- 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: Maderas Volcano Target entity description: Maderas Volcano is a dormant stratovolcano on Ometepe Island in southwestern Nicaragua, known for its cloud forest, crater lake, and rich biodiversity.
-
A.
Lascar volcano
Lascar volcano is an active stratovolcano in northern Chile known for its frequent eruptions and prominent ash plumes within the Central Volcanic Zone of the Andes.
-
B.
Tupungatito volcano
Tupungatito volcano is an active stratovolcano in the central Andes on the Chile–Argentina border, known for frequent small eruptions and its role in the Andean volcanic arc.
-
C.
Ubinas volcano
Ubinas volcano is an active stratovolcano in southern Peru known for its frequent eruptions and status as one of the country's most hazardous volcanoes.
-
D.
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.
-
E.
Ollagüe volcano
Ollagüe volcano is a large, active stratovolcano straddling the border between Chile and Bolivia in the high Andes, noted for its persistent fumarolic activity and extensive lava flows.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
dormant volcano
ⓘ
stratovolcano ⓘ |
| access | hiking trails from local communities ⓘ |
| climate | humid tropical climate ⓘ |
| composition | andesitic to basaltic-andesitic rocks ⓘ |
| country | Nicaragua ⓘ |
| elevation |
1394 m
ⓘ
4573 ft ⓘ |
| hasBiodiversity |
amphibians and reptiles
ⓘ
ferns ⓘ high bird diversity ⓘ high plant diversity ⓘ howler monkeys ⓘ orchids ⓘ white-faced capuchin monkeys ⓘ |
| hasCraterLake | Laguna de Maderas ⓘ |
| hasEcosystem |
cloud forest ecosystem
ⓘ
montane rainforest ⓘ |
| hasEruptionType | phreatic eruptions in the past ⓘ |
| hasFeature |
cloud forest
ⓘ
crater lake ⓘ muddy trails ⓘ petroglyphs nearby ⓘ secondary growth forest ⓘ steep slopes ⓘ waterfalls ⓘ |
| hasNeighbor | Concepción Volcano ⓘ |
| hazard |
landslides
ⓘ
muddy and slippery trails ⓘ |
| isOneOf | two main volcanoes on Ometepe Island ⓘ |
| isOnIsland | Ometepe Island ⓘ |
| lastEruption | prehistoric times ⓘ |
| locatedIn |
Lake Nicaragua
ⓘ
Ometepe Island ⓘ León Department ⓘ
surface form:
Rivas Department
southwestern Nicaragua ⓘ |
| nameLanguage | Spanish ⓘ |
| nameMeaning | Maderas ⓘ |
| nearbySettlement |
Balgüe
ⓘ
Mérida ⓘ
surface form:
Merida
San Ramón ⓘ |
| partOf | Ometepe Island volcanic complex ⓘ |
| protectedStatus | part of a protected natural reserve ⓘ |
| tourism |
ecotourism site
ⓘ
popular hiking destination ⓘ |
| typicalWeather | frequent cloud cover near summit ⓘ |
| volcanicArc |
Central American Volcanic Arc
ⓘ
surface form:
Central America Volcanic Arc
|
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: Maderas Volcano Description of subject: Maderas Volcano is a dormant stratovolcano on Ometepe Island in southwestern Nicaragua, known for its cloud forest, crater lake, and rich biodiversity.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Maderas volcano
this entity surface form:
Maderas Volcano crater