Mt Matavanu
E670078
Mt Matavanu is an active shield volcano on the Samoan island of Savaiʻi, known for its major early 20th-century eruptions that produced extensive lava fields.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mt Matavanu canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7440277 — 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: Mt Matavanu Context triple: [Savaiʻi, hasVolcano, Mt Matavanu]
-
A.
Mount Vaea
Mount Vaea is a hill near Apia in Samoa, best known as the final resting place of Scottish author Robert Louis Stevenson and a popular site for hikes to his tomb and scenic viewpoints.
-
B.
Mount Gamalama
Mount Gamalama is an active stratovolcano that dominates Ternate Island in Indonesia’s Maluku Islands and is known for its frequent eruptions and conical peak.
-
C.
Mount Ulawun
Mount Ulawun is an active stratovolcano in Papua New Guinea and one of the most frequently erupting and hazardous volcanoes in the South Pacific.
-
D.
Maunga Terevaka
Maunga Terevaka is the largest and youngest of the three main volcanoes forming Easter Island, dominating the island’s landscape as its highest point.
-
E.
Mount Tambuyukon
Mount Tambuyukon is a high, biodiverse mountain in Sabah, Malaysian Borneo, known for its rich montane ecosystems and rare endemic species.
- 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: Mt Matavanu Target entity description: Mt Matavanu is an active shield volcano on the Samoan island of Savaiʻi, known for its major early 20th-century eruptions that produced extensive lava fields.
-
A.
Mount Vaea
Mount Vaea is a hill near Apia in Samoa, best known as the final resting place of Scottish author Robert Louis Stevenson and a popular site for hikes to his tomb and scenic viewpoints.
-
B.
Mount Gamalama
Mount Gamalama is an active stratovolcano that dominates Ternate Island in Indonesia’s Maluku Islands and is known for its frequent eruptions and conical peak.
-
C.
Mount Ulawun
Mount Ulawun is an active stratovolcano in Papua New Guinea and one of the most frequently erupting and hazardous volcanoes in the South Pacific.
-
D.
Maunga Terevaka
Maunga Terevaka is the largest and youngest of the three main volcanoes forming Easter Island, dominating the island’s landscape as its highest point.
-
E.
Mount Tambuyukon
Mount Tambuyukon is a high, biodiverse mountain in Sabah, Malaysian Borneo, known for its rich montane ecosystems and rare endemic species.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
active volcano
ⓘ
shield volcano ⓘ |
| category |
Active volcanoes of Oceania
ⓘ
Shield volcanoes ⓘ Volcanoes of Samoa NERFINISHED ⓘ |
| country | Samoa NERFINISHED ⓘ |
| eruptionPeriod | 1905–1911 ⓘ |
| eruptionProduct |
lava fields
ⓘ
lava flows ⓘ |
| eruptionStyle | effusive ⓘ |
| geologicalAge | Holocene NERFINISHED ⓘ |
| hasFeature |
basaltic lava flows
ⓘ
broad, gently sloping flanks ⓘ lava field landscapes ⓘ |
| hazardType | volcanic ⓘ |
| influences |
local topography of Savaiʻi
ⓘ
soil formation on Savaiʻi ⓘ |
| lastEruptionEnd | 1911 ⓘ |
| lastEruptionStart | 1905 ⓘ |
| locatedIn |
Pacific Ocean
ⓘ
Samoa NERFINISHED ⓘ Samoan Islands NERFINISHED ⓘ |
| locatedOnIsland | Savaiʻi NERFINISHED ⓘ |
| notableFor |
early 20th-century eruptions
ⓘ
extensive lava fields on Savaiʻi ⓘ |
| partOf | Savaiʻi volcanic system NERFINISHED ⓘ |
| region | Polynesia NERFINISHED ⓘ |
| tectonicSetting | intraplate hotspot volcanism ⓘ |
| tourism | geotourism site ⓘ |
| volcanoType | shield 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: Mt Matavanu Description of subject: Mt Matavanu is an active shield volcano on the Samoan island of Savaiʻi, known for its major early 20th-century eruptions that produced extensive lava fields.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.