Rano Kau volcano
E409876
Rano Kau volcano is a large extinct volcanic crater on the southwestern tip of Easter Island, notable for its steep cliffs, crater lake, and archaeological sites including the ceremonial village of Orongo.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Rano Kau volcano canonical | 6 |
| Rano Kau caldera | 1 |
| Rano Kau volcanic crater | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4017320 — 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: Rano Kau volcano Context triple: [Easter Island volcanic complex, hasMainComponent, Rano Kau volcano]
-
A.
Tiatia Volcano
Tiatia Volcano is an active stratovolcano located in the Kuril Islands chain in the northwest Pacific Ocean.
-
B.
Ekarma Volcano
Ekarma Volcano is an active stratovolcano forming the uninhabited island of Ekarma in the central Kuril Islands chain of the northwest Pacific.
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C.
Terevaka volcano
Terevaka volcano is the largest and youngest of Easter Island’s three main volcanoes, forming most of the island’s landmass.
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D.
Agrihan volcano
Agrihan volcano is a large stratovolcano in the Northern Mariana Islands, notable for forming the highest peak in the archipelago and being part of the active Mariana volcanic arc.
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E.
Ebeko Volcano
Ebeko Volcano is an active stratovolcano on Paramushir Island in Russia’s Kuril Islands, known for its frequent explosive eruptions and vigorous fumarolic activity.
- 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: Rano Kau volcano Target entity description: Rano Kau volcano is a large extinct volcanic crater on the southwestern tip of Easter Island, notable for its steep cliffs, crater lake, and archaeological sites including the ceremonial village of Orongo.
-
A.
Tiatia Volcano
Tiatia Volcano is an active stratovolcano located in the Kuril Islands chain in the northwest Pacific Ocean.
-
B.
Ekarma Volcano
Ekarma Volcano is an active stratovolcano forming the uninhabited island of Ekarma in the central Kuril Islands chain of the northwest Pacific.
-
C.
Terevaka volcano
Terevaka volcano is the largest and youngest of Easter Island’s three main volcanoes, forming most of the island’s landmass.
-
D.
Agrihan volcano
Agrihan volcano is a large stratovolcano in the Northern Mariana Islands, notable for forming the highest peak in the archipelago and being part of the active Mariana volcanic arc.
-
E.
Ebeko Volcano
Ebeko Volcano is an active stratovolcano on Paramushir Island in Russia’s Kuril Islands, known for its frequent explosive eruptions and vigorous fumarolic activity.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
extinct volcano
ⓘ
shield volcano ⓘ volcano ⓘ |
| access | road from Hanga Roa ⓘ |
| climateInfluence | sheltered microclimate in crater ⓘ |
| contains |
Orongo ceremonial village
ⓘ
archaeological sites ⓘ birdman cult ceremonial structures ⓘ petroglyphs ⓘ stone houses ⓘ |
| craterDepth | approximately 200 metres ⓘ |
| craterDiameter | approximately 1.5 kilometres ⓘ |
| culturalSignificance | center of Tangata manu (birdman) cult ceremonies ⓘ |
| elevation | approximately 324 metres ⓘ |
| forms | southern rim of Orongo ridge ⓘ |
| geologicalAge |
Pleistocene epoch
ⓘ
surface form:
Pleistocene
|
| hasCliffs |
nearly vertical inner crater walls
ⓘ
sea-facing outer cliffs ⓘ |
| hasFeature |
coastal headland
ⓘ
crater lake ⓘ lava flows ⓘ marshy crater floor ⓘ sea cliffs ⓘ steep cliffs ⓘ tuff cones ⓘ volcanic crater ⓘ |
| hasTop | Orongo ⓘ |
| lakeType | freshwater crater lake ⓘ |
| lakeVegetation |
floating reeds
ⓘ
totora reeds ⓘ |
| lastEruption | prehistoric times ⓘ |
| locatedIn |
Chile
ⓘ
Easter Island ⓘ Rapa Nui National Park ⓘ Southeastern Pacific Ocean ⓘ
surface form:
southeastern Pacific Ocean
|
| nameLanguage | Rapa Nui language ⓘ |
| nameMeaning | broad volcano ⓘ |
| near | Hanga Roa ⓘ |
| overlooks |
Motu Iti islet
NERFINISHED
ⓘ
Motu Kao Kao islet NERFINISHED ⓘ Motu Nui islet ⓘ Pacific Ocean ⓘ |
| partOf |
Easter Island volcanic complex
ⓘ
Rapa Nui National Park ⓘ
surface form:
UNESCO World Heritage Site Rapa Nui National Park
|
| position | southwestern tip of Easter Island ⓘ |
| status | extinct ⓘ |
| usedFor |
archaeological research
ⓘ
tourism ⓘ |
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: Rano Kau volcano Description of subject: Rano Kau volcano is a large extinct volcanic crater on the southwestern tip of Easter Island, notable for its steep cliffs, crater lake, and archaeological sites including the ceremonial village of Orongo.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Rano Kau caldera
this entity surface form:
Rano Kau volcanic crater