El Hierro volcano
E661585
El Hierro volcano is an active submarine and subaerial volcanic system in Spain’s Canary Islands, known for its 2011–2012 eruption and ongoing seismic and geothermal activity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| El Hierro volcano canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7409924 — 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: El Hierro volcano Context triple: [Instituto Volcanológico de Canarias, focusesOn, El Hierro volcano]
-
A.
Fuencaliente de La Palma
Fuencaliente de La Palma is a municipality at the southern tip of the island of La Palma in Spain’s Canary Islands, known for its volcanic landscapes, vineyards, and coastal scenery.
-
B.
Cumbre Vieja
Cumbre Vieja is an active volcanic ridge on the island of La Palma in the Canary Islands, known for its frequent eruptions and significant impact on the region’s landscape and communities.
-
C.
Tenerife volcanic system
The Tenerife volcanic system is the large, active volcanic complex that dominates the island of Tenerife in the Canary Islands, including major stratovolcanoes and caldera structures responsible for its dramatic landscape and past eruptions.
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D.
Montaña Negra (Tenerife) eruption center
Montaña Negra (Tenerife) eruption center is an older volcanic vent complex on the island of Tenerife in the Canary Islands, known for its role in the island’s historical basaltic eruptions.
-
E.
Fuego Volcano
Fuego Volcano is one of Central America’s most active stratovolcanoes, located in southern Guatemala and known for its frequent explosive eruptions and dramatic ash plumes.
- 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: El Hierro volcano Target entity description: El Hierro volcano is an active submarine and subaerial volcanic system in Spain’s Canary Islands, known for its 2011–2012 eruption and ongoing seismic and geothermal activity.
-
A.
Fuencaliente de La Palma
Fuencaliente de La Palma is a municipality at the southern tip of the island of La Palma in Spain’s Canary Islands, known for its volcanic landscapes, vineyards, and coastal scenery.
-
B.
Cumbre Vieja
Cumbre Vieja is an active volcanic ridge on the island of La Palma in the Canary Islands, known for its frequent eruptions and significant impact on the region’s landscape and communities.
-
C.
Tenerife volcanic system
The Tenerife volcanic system is the large, active volcanic complex that dominates the island of Tenerife in the Canary Islands, including major stratovolcanoes and caldera structures responsible for its dramatic landscape and past eruptions.
-
D.
Montaña Negra (Tenerife) eruption center
Montaña Negra (Tenerife) eruption center is an older volcanic vent complex on the island of Tenerife in the Canary Islands, known for its role in the island’s historical basaltic eruptions.
-
E.
Fuego Volcano
Fuego Volcano is one of Central America’s most active stratovolcanoes, located in southern Guatemala and known for its frequent explosive eruptions and dramatic ash plumes.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
subaerial volcano
ⓘ
submarine volcanic eruption ⓘ volcanic system ⓘ volcano ⓘ |
| associatedWith |
ground deformation
ⓘ
seismic swarms ⓘ |
| country | Spain ⓘ |
| dominantMagmaType | basalt ⓘ |
| endDate | 2012-03-05 ⓘ |
| eruptionStyle | basaltic fissure eruption ⓘ |
| eruptionYear |
2011
ⓘ
2012 ⓘ |
| geologicalOrigin | hotspot volcanism ⓘ |
| hasAge |
Holocene activity
ⓘ
Quaternary ⓘ |
| hasBathymetricFeature | submarine cone south of El Hierro ⓘ |
| hasEruption | 2011–2012 El Hierro eruption ⓘ |
| hasGeothermalActivity | true ⓘ |
| hasHazard |
gas emissions
ⓘ
seismic shaking ⓘ submarine eruptions ⓘ submarine landslides ⓘ |
| hasIslandArea | subaerial part forms island of El Hierro ⓘ |
| hasMonitoringNetwork |
GPS stations
ⓘ
geochemical sampling ⓘ seismic stations ⓘ |
| hasMorphology |
rift zones
ⓘ
shield volcano complex ⓘ |
| hasSeismicActivity | true ⓘ |
| hasSubaerialEdifice | true ⓘ |
| hasSubmarineVent | true ⓘ |
| highestPointName | Malpaso ⓘ |
| isActive | true ⓘ |
| islandHighestPointElevation_m | 1501 ⓘ |
| lastEruptionEndYear | 2012 ⓘ |
| locatedIn |
Atlantic Ocean
ⓘ
Canary Islands ⓘ Province of Santa Cruz de Tenerife ⓘ |
| locatedOn | El Hierro ⓘ |
| monitoredBy |
Instituto Geográfico Nacional (Spain)
ⓘ
Instituto Volcanológico de Canarias ⓘ |
| partOf |
Canary Islands volcanic province
ⓘ
linked to:
Macaronesian volcanic archipelagos
Canary archipelago ⓘ |
| startDate | 2011-10-10 ⓘ |
| tectonicSetting | intraplate oceanic island ⓘ |
| volcanicArcOrBelt | Canary hotspot ⓘ |
| volcanicFieldType | monogenetic volcanic field ⓘ |
| volcano | El Hierro volcano ⓘ |
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: El Hierro volcano Description of subject: El Hierro volcano is an active submarine and subaerial volcanic system in Spain’s Canary Islands, known for its 2011–2012 eruption and ongoing seismic and geothermal activity.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Instituto Volcanológico de Canarias (INVOLCAN)
subject linked to:
El Hierro volcano