Urataman Caldera
E780149
Urataman Caldera is a large volcanic caldera located on Simushir Island in Russia’s Kuril Islands chain, known for its significant explosive eruptions and rugged, remote setting.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Urataman Caldera canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9091501 — 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: Urataman Caldera Context triple: [Simushir, hasVolcano, Urataman Caldera]
-
A.
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.
-
B.
Tao-Rusyr Caldera
Tao-Rusyr Caldera is a large volcanic caldera and prominent geological feature located on Onekotan Island in Russia’s Kuril Island chain.
-
C.
Toya caldera
Toya caldera is a large volcanic caldera in Hokkaido, Japan, known for its scenic lake, hot springs, and frequent volcanic activity.
-
D.
Aira Caldera
Aira Caldera is a large, active volcanic caldera in southern Kyushu, Japan, known for its dramatic geology and frequent eruptions.
-
E.
Silverthrone Caldera
Silverthrone Caldera is a large, remote volcanic caldera and ice-covered massif in the Coast Mountains of British Columbia, Canada, known for its extensive glaciation and rugged terrain.
- 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: Urataman Caldera Target entity description: Urataman Caldera is a large volcanic caldera located on Simushir Island in Russia’s Kuril Islands chain, known for its significant explosive eruptions and rugged, remote setting.
-
A.
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.
-
B.
Tao-Rusyr Caldera
Tao-Rusyr Caldera is a large volcanic caldera and prominent geological feature located on Onekotan Island in Russia’s Kuril Island chain.
-
C.
Toya caldera
Toya caldera is a large volcanic caldera in Hokkaido, Japan, known for its scenic lake, hot springs, and frequent volcanic activity.
-
D.
Aira Caldera
Aira Caldera is a large, active volcanic caldera in southern Kyushu, Japan, known for its dramatic geology and frequent eruptions.
-
E.
Silverthrone Caldera
Silverthrone Caldera is a large, remote volcanic caldera and ice-covered massif in the Coast Mountains of British Columbia, Canada, known for its extensive glaciation and rugged terrain.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
geological formation
ⓘ
volcanic caldera ⓘ |
| ageClass | Holocene volcano ⓘ |
| country | Russia ⓘ |
| dominantMagmaComposition | andesitic ⓘ |
| eruptionStyle | explosive ⓘ |
| eruptionType |
Plinian
ⓘ
sub-Plinian ⓘ |
| geologicalAge | Quaternary ⓘ |
| hasAccessibility |
accessible mainly by boat
ⓘ
no permanent settlements nearby ⓘ |
| hasCharacteristic |
remote
ⓘ
sparsely inhabited surroundings ⓘ |
| hasMorphology | rugged ⓘ |
| hasResearchInterest |
hazard assessment
ⓘ
tectonics ⓘ volcanology ⓘ |
| hasVolcanoType | stratovolcano-caldera complex ⓘ |
| hazardType |
lahars
ⓘ
pyroclastic flows ⓘ tephra fall ⓘ volcanic ash clouds ⓘ |
| isMonitoredBy | Russian volcanological services ⓘ |
| isOnIsland | Simushir NERFINISHED ⓘ |
| isPartOf | Simushir volcanic complex NERFINISHED ⓘ |
| locatedIn |
Kuril Islands
ⓘ
Northwestern Pacific Ocean NERFINISHED ⓘ Ring of Fire NERFINISHED ⓘ Russian Far East NERFINISHED ⓘ Sakhalin Oblast NERFINISHED ⓘ |
| locatedInTimeZone | Kamchatka Time Zone NERFINISHED ⓘ |
| locatedOn | Simushir Island NERFINISHED ⓘ |
| magmaComposition |
basaltic-andesitic
ⓘ
dacitic ⓘ |
| nearbyWaterBody |
Pacific Ocean
NERFINISHED
ⓘ
Sea of Okhotsk NERFINISHED ⓘ |
| overridingPlate | Okhotsk Plate NERFINISHED ⓘ |
| partOf | Kuril Island Arc NERFINISHED ⓘ |
| region | Kuril Islands chain NERFINISHED ⓘ |
| subductingPlate | Pacific Plate NERFINISHED ⓘ |
| tectonicSetting | subduction zone ⓘ |
| volcanicArcOrBelt | Kuril–Kamchatka 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: Urataman Caldera Description of subject: Urataman Caldera is a large volcanic caldera located on Simushir Island in Russia’s Kuril Islands chain, known for its significant explosive eruptions and rugged, remote setting.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.