Masaya Volcano
E400944
Masaya Volcano is an active stratovolcano in western Nicaragua known for its persistent lava lake and easily accessible crater within Masaya Volcano National Park.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Masaya Volcano canonical | 4 |
| Masaya Volcano caldera | 1 |
| Masaya caldera | 1 |
| Masaya volcanic complex | 1 |
| Volcán Masaya | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3910911 — 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: Masaya Volcano Context triple: [Masaya, Nicaragua, locatedNear, Masaya Volcano]
-
A.
San Salvador Volcano
San Salvador Volcano is a prominent stratovolcano in El Salvador that looms over the capital city and is known for its scenic crater and history of eruptions.
-
B.
Turrialba
Turrialba is an active stratovolcano in central Costa Rica known for its frequent eruptions and significant gas and ash emissions.
-
C.
Agua Volcano
Agua Volcano is a prominent stratovolcano in southern Guatemala that towers over the colonial city of Antigua and is known for its symmetrical cone and historical eruptions.
-
D.
Momotombo Volcano
Momotombo Volcano is a prominent active stratovolcano in western Nicaragua, known for its symmetrical cone shape and historical eruptions overlooking Lake Managua.
-
E.
San José volcano
San José volcano is a stratovolcano in the central Chilean Andes near the border with Argentina, known for its glaciated summit and history of explosive eruptions.
- 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: Masaya Volcano Target entity description: Masaya Volcano is an active stratovolcano in western Nicaragua known for its persistent lava lake and easily accessible crater within Masaya Volcano National Park.
-
A.
San Salvador Volcano
San Salvador Volcano is a prominent stratovolcano in El Salvador that looms over the capital city and is known for its scenic crater and history of eruptions.
-
B.
Turrialba
Turrialba is an active stratovolcano in central Costa Rica known for its frequent eruptions and significant gas and ash emissions.
-
C.
Agua Volcano
Agua Volcano is a prominent stratovolcano in southern Guatemala that towers over the colonial city of Antigua and is known for its symmetrical cone and historical eruptions.
-
D.
Momotombo Volcano
Momotombo Volcano is a prominent active stratovolcano in western Nicaragua, known for its symmetrical cone shape and historical eruptions overlooking Lake Managua.
-
E.
San José volcano
San José volcano is a stratovolcano in the central Chilean Andes near the border with Argentina, known for its glaciated summit and history of explosive eruptions.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
active volcano
ⓘ
stratovolcano ⓘ |
| age | Holocene ⓘ |
| country | Nicaragua ⓘ |
| distanceToManagua | about 20 kilometers ⓘ |
| elevation |
2083 feet
ⓘ
635 meters ⓘ |
| eruptionStyle |
Strombolian
ⓘ
phreatomagmatic ⓘ |
| gasComposition | sulfur dioxide rich plume ⓘ |
| geologicalSetting |
Central America Volcanic Arc
ⓘ
linked to:
Central American Volcanic Arc
|
| hasCaldera |
Masaya caldera
ⓘ
linked to:
Masaya Volcano
|
| hasFeature |
degassing plume
ⓘ
easily accessible crater ⓘ fumaroles ⓘ persistent lava lake ⓘ |
| hasPart |
Nindirí crater
ⓘ
San Juan crater ⓘ San Pedro crater ⓘ
linked to:
Nindirí crater
Santiago crater ⓘ |
| hasRoadAccessTo | crater rim ⓘ |
| hasVisitorCenter |
Masaya Volcano National Park visitor center
ⓘ
linked to:
Masaya Volcano National Park
|
| hazard |
ashfall
ⓘ
explosive eruptions ⓘ volcanic gas emissions ⓘ |
| knownFor |
frequent degassing
ⓘ
nighttime lava glow ⓘ tourism ⓘ |
| languageOfName | Spanish ⓘ |
| lastEruptionStart | 2015 ⓘ |
| locatedIn |
Masaya Department
ⓘ
western Nicaragua ⓘ |
| monitoredBy | Nicaraguan Institute of Territorial Studies ⓘ |
| nameInSpanish |
Volcán Masaya
ⓘ
linked to:
Masaya Volcano
|
| nearCity |
Managua
ⓘ
Masaya ⓘ
linked to:
Masaya, Nicaragua
|
| parkEstablishmentYear | 1979 ⓘ |
| partOf | Masaya Volcano National Park ⓘ |
| region | Pacific volcanic chain of Nicaragua ⓘ |
| tectonicSetting | subduction of Cocos Plate beneath Caribbean Plate ⓘ |
| touristActivity |
crater viewing
ⓘ
hiking ⓘ lava lake observation ⓘ |
| UNESCOStatus | tentative World Heritage Site ⓘ |
| volcanicField |
Masaya volcanic complex
ⓘ
linked to:
Masaya Volcano
|
| volcanoType | caldera complex ⓘ |
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: Masaya Volcano Description of subject: Masaya Volcano is an active stratovolcano in western Nicaragua known for its persistent lava lake and easily accessible crater within Masaya Volcano National Park.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Masaya Volcano
linked to: Masaya Volcano
linked to: Masaya Volcano
linked to: Masaya Volcano