San Martín Tuxtla volcano
E441324
San Martín Tuxtla volcano is an active stratovolcano in the Los Tuxtlas region of Veracruz, Mexico, known for its basaltic eruptions and prominent forested cone.
All labels observed (2)
| Label | Occurrences |
|---|---|
| San Martín Tuxtla volcano canonical | 2 |
| Los Tuxtlas volcanic field | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4137429 — 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: San Martín Tuxtla volcano Context triple: [Los Tuxtlas, contains, San Martín Tuxtla volcano]
-
A.
Cofre de Perote volcano
Cofre de Perote volcano is a prominent extinct stratovolcano in Veracruz, Mexico, known for its distinctive flat-topped summit and role as a major landmark in the Trans-Mexican Volcanic Belt.
-
B.
Volcán Tacaná
Volcán Tacaná is a prominent stratovolcano on the Mexico–Guatemala border, known as one of the highest peaks in Central America and part of the Central America Volcanic Arc.
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C.
Volcán San Miguel
Volcán San Miguel is an active stratovolcano in eastern El Salvador, known for its prominent conical shape and periodic eruptions.
-
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.
Acatenango
Acatenango is a stratovolcano in Guatemala popular with hikers for its challenging ascent and panoramic views of the neighboring Fuego volcano.
- 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: San Martín Tuxtla volcano Target entity description: San Martín Tuxtla volcano is an active stratovolcano in the Los Tuxtlas region of Veracruz, Mexico, known for its basaltic eruptions and prominent forested cone.
-
A.
Cofre de Perote volcano
Cofre de Perote volcano is a prominent extinct stratovolcano in Veracruz, Mexico, known for its distinctive flat-topped summit and role as a major landmark in the Trans-Mexican Volcanic Belt.
-
B.
Volcán Tacaná
Volcán Tacaná is a prominent stratovolcano on the Mexico–Guatemala border, known as one of the highest peaks in Central America and part of the Central America Volcanic Arc.
-
C.
Volcán San Miguel
Volcán San Miguel is an active stratovolcano in eastern El Salvador, known for its prominent conical shape and periodic eruptions.
-
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.
Acatenango
Acatenango is a stratovolcano in Guatemala popular with hikers for its challenging ascent and panoramic views of the neighboring Fuego volcano.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
active volcano
ⓘ
stratovolcano ⓘ |
| activityStatus | Holocene volcano ⓘ |
| continent | North America ⓘ |
| country | Mexico ⓘ |
| craterDiameter | ~1 km ⓘ |
| craterShape | summit crater ⓘ |
| elevation |
~1650 m
ⓘ
~5413 ft ⓘ |
| eruptionHistory | historic eruptions in late 18th century ⓘ |
| eruptionStyle |
Hawaiian
ⓘ
Strombolian ⓘ |
| eruptiveProducts |
lava flows
ⓘ
scoria ⓘ tephra ⓘ |
| featureClass | volcano ⓘ |
| geologicalAge | Holocene NERFINISHED ⓘ |
| geologicalProvince | Los Tuxtlas volcanic province NERFINISHED ⓘ |
| hasCrater | yes ⓘ |
| hasLavaFlows | yes ⓘ |
| hasParasiticCones | yes ⓘ |
| hasScoriaCones | yes ⓘ |
| hazardPotential | local volcanic hazard ⓘ |
| lastEruption | 1793 ⓘ |
| lastEruptionCentury | 18th century ⓘ |
| lavaComposition | basalt ⓘ |
| locatedIn |
Los Tuxtlas
NERFINISHED
ⓘ
Veracruz NERFINISHED ⓘ eastern Mexico NERFINISHED ⓘ |
| locatedNear | Gulf of Mexico NERFINISHED ⓘ |
| monitoring | monitored by Mexican geological and civil protection agencies ⓘ |
| morphology | forested cone ⓘ |
| mountainRange | Sierra de los Tuxtlas NERFINISHED ⓘ |
| nameLanguage | Spanish ⓘ |
| nearbySettlement |
Catemaco
NERFINISHED
ⓘ
San Andrés Tuxtla NERFINISHED ⓘ |
| partOf | Los Tuxtlas volcanic field NERFINISHED ⓘ |
| prominence | dominant topographic high in Los Tuxtlas region ⓘ |
| region | Gulf of Mexico coastal region NERFINISHED ⓘ |
| slopeCover | dense forest ⓘ |
| summitFeatures | crater with cinder cones ⓘ |
| tectonicSetting | intraplate volcanic field of Los Tuxtlas NERFINISHED ⓘ |
| vegetation | tropical rainforest ⓘ |
| volcanicArcOrBelt | Trans-Mexican Volcanic Belt (eastern extension / related province) NERFINISHED ⓘ |
| volcanoType | basaltic 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: San Martín Tuxtla volcano Description of subject: San Martín Tuxtla volcano is an active stratovolcano in the Los Tuxtlas region of Veracruz, Mexico, known for its basaltic eruptions and prominent forested cone.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Los Tuxtlas volcanic field