Fisher Caldera
E575392
Fisher Caldera is a large volcanic caldera on Unimak Island in Alaska’s Aleutian Islands, known for its expansive crater and association with significant volcanic activity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fisher Caldera canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6195001 — 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: Fisher Caldera Context triple: [Unimak Island, hasVolcano, Fisher Caldera]
-
A.
Okmok Caldera
Okmok Caldera is a large, historically active volcanic caldera in Alaska’s Aleutian Islands known for its explosive eruptions and extensive lava fields.
-
B.
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.
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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.
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.
-
E.
River Calder
The River Calder is a major river in West Yorkshire, England, flowing through several industrial towns before joining the River Aire.
- 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: Fisher Caldera Target entity description: Fisher Caldera is a large volcanic caldera on Unimak Island in Alaska’s Aleutian Islands, known for its expansive crater and association with significant volcanic activity.
-
A.
Okmok Caldera
Okmok Caldera is a large, historically active volcanic caldera in Alaska’s Aleutian Islands known for its explosive eruptions and extensive lava fields.
-
B.
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.
-
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.
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.
-
E.
River Calder
The River Calder is a major river in West Yorkshire, England, flowing through several industrial towns before joining the River Aire.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
geological formation
ⓘ
volcanic caldera ⓘ |
| associatedWith |
ash fall deposits
ⓘ
large explosive eruptions ⓘ pyroclastic flows ⓘ significant volcanic activity ⓘ |
| composition |
andesitic to dacitic volcanic rocks
ⓘ
silicic volcanic rocks ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| coveredBy | snow in winter ⓘ |
| environment | subarctic maritime climate ⓘ |
| eruptionStyle |
Plinian
ⓘ
caldera-forming ⓘ explosive ⓘ |
| geologicalPeriod | Holocene ⓘ |
| geologicalSetting | subduction-related volcanic arc ⓘ |
| hasAge | Quaternary ⓘ |
| hasFeature |
caldera rim
ⓘ
ignimbrite sheets ⓘ large volcanic crater ⓘ lava domes ⓘ post-caldera volcanic vents ⓘ pyroclastic deposits ⓘ volcanic lakes ⓘ |
| hasResearchInterest |
caldera-forming processes
ⓘ
hazard assessment ⓘ tephrochronology ⓘ volcanology ⓘ |
| island | Unimak Island NERFINISHED ⓘ |
| locatedIn |
Alaska
ⓘ
Aleutian Islands NERFINISHED ⓘ North Pacific region NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| locatedOn | Unimak Island NERFINISHED ⓘ |
| monitoredBy |
Alaska Volcano Observatory
NERFINISHED
ⓘ
United States Geological Survey NERFINISHED ⓘ |
| namedAfter | Fisher (local geographic name context) NERFINISHED ⓘ |
| near |
Bering Sea
NERFINISHED
ⓘ
Pacific Ocean NERFINISHED ⓘ |
| partOf |
Alaska Peninsula and Aleutian Islands volcanic region
NERFINISHED
ⓘ
Aleutian volcanic arc NERFINISHED ⓘ |
| region | Aleutians East Borough NERFINISHED ⓘ |
| riskType | volcanic hazard ⓘ |
| state | Alaska ⓘ |
| surroundedBy |
remote wilderness
ⓘ
rugged volcanic terrain ⓘ |
| tectonicSetting | subduction of the Pacific Plate beneath the North American Plate ⓘ |
| volcanicArc | Aleutian Arc NERFINISHED ⓘ |
| volcanoType | stratovolcano-caldera complex ⓘ |
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: Fisher Caldera Description of subject: Fisher Caldera is a large volcanic caldera on Unimak Island in Alaska’s Aleutian Islands, known for its expansive crater and association with significant volcanic activity.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.