Poás
E85620
Poás is an active stratovolcano in central Costa Rica known for its large crater, acidic crater lake, and frequent eruptions.
All labels observed (8)
| Label | Occurrences |
|---|---|
| Poás Volcano | 11 |
| Poás Volcano complex | 2 |
| Poás Volcano region | 2 |
| San Pedro de Poás | 2 |
| Poás canonical | 1 |
| Poás Volcano crater system | 1 |
| Poás crater lake | 1 |
| active main crater of Poás Volcano | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T642795 — 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: Poás Context triple: [Central American Volcanic Arc, hasNotableVolcano, Poás]
-
A.
Arenal
Arenal is a prominent stratovolcano in northwestern Costa Rica, famed for its near-perfect conical shape and role as a major eco-tourism and geothermal energy site.
-
B.
Pacaya
Pacaya is an active stratovolcano in southern Guatemala known for its frequent eruptions and popularity as a hiking and lava-viewing destination.
-
C.
Boiling Lake
Boiling Lake is a famous flooded fumarole and one of the world’s largest hot lakes, located in the volcanic interior of Dominica.
-
D.
Licancabur volcano
Licancabur volcano is a prominent, near-symmetrical stratovolcano on the Chile–Bolivia border, famed for its high-altitude crater lake and significance in Andean geology and local indigenous culture.
-
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: Poás Target entity description: Poás is an active stratovolcano in central Costa Rica known for its large crater, acidic crater lake, and frequent eruptions.
-
A.
Arenal
Arenal is a prominent stratovolcano in northwestern Costa Rica, famed for its near-perfect conical shape and role as a major eco-tourism and geothermal energy site.
-
B.
Pacaya
Pacaya is an active stratovolcano in southern Guatemala known for its frequent eruptions and popularity as a hiking and lava-viewing destination.
-
C.
Boiling Lake
Boiling Lake is a famous flooded fumarole and one of the world’s largest hot lakes, located in the volcanic interior of Dominica.
-
D.
Licancabur volcano
Licancabur volcano is a prominent, near-symmetrical stratovolcano on the Chile–Bolivia border, famed for its high-altitude crater lake and significance in Andean geology and local indigenous culture.
-
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 (48)
| Predicate | Object |
|---|---|
| instanceOf |
active volcano
ⓘ
stratovolcano ⓘ |
| belongsToVolcanicArc |
Central America Volcanic Arc
ⓘ
linked to:
Central American Volcanic Arc
|
| country | Costa Rica ⓘ |
| craterDepth | approximately 300 metres ⓘ |
| craterDiameter | approximately 1.5 kilometres ⓘ |
| distanceToSanJosé | approximately 37 kilometres ⓘ |
| elevation |
2708 metres
ⓘ
8885 feet ⓘ |
| eruptionStyle |
phreatic eruptions
ⓘ
phreatomagmatic eruptions ⓘ |
| eruptiveHistory | frequent historical eruptions since at least the 19th century ⓘ |
| geologicalAge |
Quaternary
ⓘ
linked to:
Quaternary period
|
| hasCrater |
Botos crater
ⓘ
main crater ⓘ |
| hasFeature |
acidic crater lake
ⓘ
fumaroles ⓘ geothermal activity ⓘ large summit crater ⓘ |
| hasLake |
Botos Lake
ⓘ
Laguna Caliente ⓘ |
| hasMonitoring |
deformation monitoring
ⓘ
seismic monitoring ⓘ volcanic gas monitoring ⓘ |
| hasNationalParkStatusSince | 1955 ⓘ |
| hasRestrictedAccessDuringActivity | true ⓘ |
| hasVisitorCenter | true ⓘ |
| hazard |
acid rain
ⓘ
ash emissions ⓘ lahars ⓘ toxic gas emissions ⓘ |
| isActive | true ⓘ |
| isTouristAttraction | true ⓘ |
| knownFor |
easily accessible crater viewpoint
ⓘ
frequent eruptions ⓘ |
| lakeType | acidic crater lake ⓘ |
| lastEruption | 2019 ⓘ |
| locatedIn |
Alajuela Province
ⓘ
Central Costa Rica ⓘ
linked to:
Central Valley of Costa Rica
|
| locatedOn | Caribbean Plate ⓘ |
| managedBy | Costa Rica National System of Conservation Areas ⓘ |
| mountainRange |
Cordillera Volcánica Central
ⓘ
linked to:
Cordillera Central
|
| nearCity |
Alajuela
ⓘ
linked to:
Alajuela Province
San José ⓘ |
| parkName |
Parque Nacional Volcán Poás
ⓘ
linked to:
Poás Volcano National Park
|
| partOf | Cordillera Central ⓘ |
| protectedArea | Poás Volcano National Park ⓘ |
| volcanoType | 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: Poás Description of subject: Poás is an active stratovolcano in central Costa Rica known for its large crater, acidic crater lake, and frequent eruptions.
Referenced by (21)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Poás
linked to: Poás
linked to: Poás
linked to: Poás
linked to: Poás
linked to: Poás
linked to: Poás
linked to: Poás
linked to: Poás
linked to: Poás
linked to: Poás
linked to: Poás
linked to: Poás
linked to: Poás
linked to: Poás
linked to: Poás
linked to: Poás
subject linked to:
Costa Rican Volcanic Mountain Ranges
linked to: Poás
linked to: Poás
linked to: Poás