Rabaul volcano
E1026140
Rabaul volcano is a large, historically active caldera volcano on the island of New Britain in Papua New Guinea, known for its powerful eruptions and the town of Rabaul built within its caldera.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Rabaul caldera | 2 |
| Rabaul caldera system | 1 |
| Rabaul volcanic complex | 1 |
| Rabaul volcano canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13144855 — 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: Rabaul volcano Context triple: [Tavurvur, associatedWith, Rabaul volcano]
-
A.
Manuk Island volcano
Manuk Island volcano is a remote, active volcanic island in Indonesia’s Banda Sea known for its steep, rugged terrain and frequent fumarolic activity.
-
B.
Pavuvu
Pavuvu is a small island in the Solomon Islands’ Central Province, known for its role as a World War II military base used by Allied forces in the Pacific campaign.
-
C.
Trident Volcano
Trident Volcano is a complex stratovolcano in Alaska’s Katmai National Park, notable for its multiple peaks and association with the volcanically active Valley of Ten Thousand Smokes region.
-
D.
Tiatia Volcano
Tiatia Volcano is an active stratovolcano located in the Kuril Islands chain in the northwest Pacific Ocean.
-
E.
Maderas Volcano
Maderas Volcano is a dormant stratovolcano on Ometepe Island in southwestern Nicaragua, known for its cloud forest, crater lake, and rich biodiversity.
- 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: Rabaul volcano Target entity description: Rabaul volcano is a large, historically active caldera volcano on the island of New Britain in Papua New Guinea, known for its powerful eruptions and the town of Rabaul built within its caldera.
-
A.
Manuk Island volcano
Manuk Island volcano is a remote, active volcanic island in Indonesia’s Banda Sea known for its steep, rugged terrain and frequent fumarolic activity.
-
B.
Pavuvu
Pavuvu is a small island in the Solomon Islands’ Central Province, known for its role as a World War II military base used by Allied forces in the Pacific campaign.
-
C.
Trident Volcano
Trident Volcano is a complex stratovolcano in Alaska’s Katmai National Park, notable for its multiple peaks and association with the volcanically active Valley of Ten Thousand Smokes region.
-
D.
Tiatia Volcano
Tiatia Volcano is an active stratovolcano located in the Kuril Islands chain in the northwest Pacific Ocean.
-
E.
Maderas Volcano
Maderas Volcano is a dormant stratovolcano on Ometepe Island in southwestern Nicaragua, known for its cloud forest, crater lake, and rich biodiversity.
- F. None of above. chosen
Statements (57)
| Predicate | Object |
|---|---|
| instanceOf |
active volcano
ⓘ
caldera volcano ⓘ stratovolcano complex ⓘ |
| affects |
East New Britain Province
NERFINISHED
ⓘ
Kokopo NERFINISHED ⓘ Rabaul NERFINISHED ⓘ |
| calderaDiameter |
about 8 km
ⓘ
up to 14 km including submarine parts ⓘ |
| composition |
andesitic
ⓘ
dacitic ⓘ |
| country | Papua New Guinea ⓘ |
| elevation | 688 m ⓘ |
| eruptedIn |
1878
ⓘ
1937 ⓘ 1994 ⓘ c. 535 CE ⓘ |
| eruptionStyle |
Plinian
ⓘ
pyroclastic ⓘ sub-Plinian ⓘ |
| GVP_ID | 252140 ⓘ |
| hasFeature |
large caldera
ⓘ
multiple vents ⓘ ring fracture system ⓘ submarine margins ⓘ |
| hasLake | Simpson Harbour (partly fills caldera) NERFINISHED ⓘ |
| hasVent |
Kokopo
NERFINISHED
ⓘ
Rabalanakaia NERFINISHED ⓘ Tavurvur NERFINISHED ⓘ Turangunan NERFINISHED ⓘ Vulcan NERFINISHED ⓘ |
| hasVolcanicExplosivityIndex | 4–6 (range for historical and prehistoric eruptions) ⓘ |
| hazardType |
ashfall
ⓘ
lahars ⓘ pyroclastic flows ⓘ volcanic gas emissions ⓘ |
| knownFor |
ashfall affecting aviation
ⓘ
destruction of Rabaul town ⓘ powerful explosive eruptions ⓘ pyroclastic flows ⓘ |
| lastEruption | 2014 ⓘ |
| listedIn | Global Volcanism Program NERFINISHED ⓘ |
| locatedIn |
Bismarck Archipelago
NERFINISHED
ⓘ
New Britain NERFINISHED ⓘ Papua New Guinea NERFINISHED ⓘ |
| majorEruptionYear |
1878
ⓘ
1937 ⓘ 1994 ⓘ |
| monitoringAgency | Rabaul Volcanological Observatory NERFINISHED ⓘ |
| near | Rabaul (town) NERFINISHED ⓘ |
| overlies | New Britain Trench subduction system NERFINISHED ⓘ |
| partOf | Rabaul caldera NERFINISHED ⓘ |
| tectonicSetting | subduction zone ⓘ |
| typeLocalityOf | Rabaul-type caldera ⓘ |
| VEI |
4 (for 1937 eruption)
ⓘ
4 (for 1994 eruption) ⓘ 6 (for large prehistoric eruptions) ⓘ |
| volcanicArc | Bismarck volcanic arc NERFINISHED ⓘ |
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: Rabaul volcano Description of subject: Rabaul volcano is a large, historically active caldera volcano on the island of New Britain in Papua New Guinea, known for its powerful eruptions and the town of Rabaul built within its caldera.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Rabaul caldera
this entity surface form:
Rabaul volcanic complex
this entity surface form:
Rabaul caldera system
this entity surface form:
Rabaul caldera