Mount Haruna caldera
E476310
Mount Haruna caldera is the large volcanic depression associated with Mount Haruna, formed by past explosive eruptions and collapse of the volcano’s summit.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Haruna caldera rim | 1 |
| Mount Haruna caldera canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4874593 — 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: Mount Haruna caldera Context triple: [Mount Haruna, hasPart, Mount Haruna caldera]
-
A.
Toya caldera
Toya caldera is a large volcanic caldera in Hokkaido, Japan, known for its scenic lake, hot springs, and frequent volcanic activity.
-
B.
Showa crater
Showa crater is one of the main active vents of the Sakurajima volcano in Japan, known for its frequent explosive eruptions and ash emissions.
-
C.
Minamidake crater
Minamidake crater is a principal active summit crater of the Sakurajima volcano in Kagoshima Prefecture, Japan, known for frequent explosive eruptions.
-
D.
Akan Caldera
Akan Caldera is a large volcanic caldera in eastern Hokkaido, Japan, known for its scenic crater lakes, geothermal features, and active volcanic landscape.
-
E.
Uzon caldera
Uzon caldera is a large volcanic depression in Russia’s Kamchatka Peninsula, renowned for its active geothermal features, hot springs, and diverse volcanic landscapes within the Kamchatka volcanic arc.
- 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: Mount Haruna caldera Target entity description: Mount Haruna caldera is the large volcanic depression associated with Mount Haruna, formed by past explosive eruptions and collapse of the volcano’s summit.
-
A.
Toya caldera
Toya caldera is a large volcanic caldera in Hokkaido, Japan, known for its scenic lake, hot springs, and frequent volcanic activity.
-
B.
Showa crater
Showa crater is one of the main active vents of the Sakurajima volcano in Japan, known for its frequent explosive eruptions and ash emissions.
-
C.
Minamidake crater
Minamidake crater is a principal active summit crater of the Sakurajima volcano in Kagoshima Prefecture, Japan, known for frequent explosive eruptions.
-
D.
Akan Caldera
Akan Caldera is a large volcanic caldera in eastern Hokkaido, Japan, known for its scenic crater lakes, geothermal features, and active volcanic landscape.
-
E.
Uzon caldera
Uzon caldera is a large volcanic depression in Russia’s Kamchatka Peninsula, renowned for its active geothermal features, hot springs, and diverse volcanic landscapes within the Kamchatka volcanic arc.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
volcanic caldera
ⓘ
volcanic depression ⓘ |
| age | Quaternary ⓘ |
| associatedWith | Mount Haruna ⓘ |
| composition |
andesitic rocks
ⓘ
dacitic rocks ⓘ |
| contains | Lake Haruna ⓘ |
| country | Japan ⓘ |
| eruptionProduct |
ignimbrites
ⓘ
pyroclastic flows ⓘ tephra ⓘ |
| eruptionStyle | explosive ⓘ |
| formedBy |
explosive eruptions
ⓘ
structural collapse of volcanic edifice ⓘ summit collapse ⓘ |
| genesisProcess | caldera-forming eruption ⓘ |
| geologicalPeriod | Pleistocene ⓘ |
| geologicalSetting | island arc volcano ⓘ |
| hasFeature |
Lake Haruna
ⓘ
central cone complex ⓘ post-caldera lava domes ⓘ post-caldera scoria cones ⓘ |
| hasScientificInterest |
Quaternary volcanology
ⓘ
caldera collapse processes ⓘ |
| hasUse |
recreation
ⓘ
tourism ⓘ |
| hazardPotential | volcanic hazards ⓘ |
| isPartOf | Japanese Quaternary volcanic province ⓘ |
| landformType | collapse caldera ⓘ |
| locatedIn |
Gunma Prefecture
ⓘ
Honshu ⓘ Japan ⓘ |
| locatedOn | Japanese island of Honshu ⓘ |
| monitoredBy | Japan Meteorological Agency ⓘ |
| near |
Shibukawa, Gunma
ⓘ
linked to:
Shibukawa
Takasaki, Gunma ⓘ
linked to:
Takasaki, Gunma Prefecture, Japan
|
| overlies | older volcanic edifices of Mount Haruna ⓘ |
| partOf |
Haruna Volcano
ⓘ
Haruna volcanic complex ⓘ Inner arc of the Japan arc system ⓘ |
| region | Kantō region ⓘ |
| tectonicSetting | convergent plate boundary ⓘ |
| volcanicArc | Northeastern Japan Arc ⓘ |
| volcanoType | stratovolcano-related caldera ⓘ |
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: Mount Haruna caldera Description of subject: Mount Haruna caldera is the large volcanic depression associated with Mount Haruna, formed by past explosive eruptions and collapse of the volcano’s summit.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mount Haruna caldera