Great Sitkin Volcano
E580957
Great Sitkin Volcano is an active stratovolcano in the central Aleutian Islands of Alaska, known for frequent eruptions and hazardous ash emissions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Great Sitkin Volcano canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6212633 — 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: Great Sitkin Volcano Context triple: [Adak Island, hasVolcano, Great Sitkin Volcano]
-
A.
Iliamna Volcano
Iliamna Volcano is a large, glacier-covered stratovolcano on the Alaska Peninsula known for its persistent fumarolic activity and location within Lake Clark National Park and Preserve.
-
B.
Kiska Volcano
Kiska Volcano is an active stratovolcano in the Aleutian Islands of Alaska, known for its historical eruptions and remote, rugged setting.
-
C.
Shishaldin Volcano
Shishaldin Volcano is a highly symmetrical, frequently active stratovolcano on Unimak Island in Alaska, known as one of the most prominent volcanic peaks in the Aleutian chain.
-
D.
Akutan volcanic complex
The Akutan volcanic complex is a geologically active volcanic area in Alaska’s Aleutian Islands that includes Mount Akutan and associated vents, lava flows, and geothermal features.
-
E.
Mount Pavlof
Mount Pavlof is one of Alaska’s most active stratovolcanoes, located near the eastern end of the Aleutian 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: Great Sitkin Volcano Target entity description: Great Sitkin Volcano is an active stratovolcano in the central Aleutian Islands of Alaska, known for frequent eruptions and hazardous ash emissions.
-
A.
Iliamna Volcano
Iliamna Volcano is a large, glacier-covered stratovolcano on the Alaska Peninsula known for its persistent fumarolic activity and location within Lake Clark National Park and Preserve.
-
B.
Kiska Volcano
Kiska Volcano is an active stratovolcano in the Aleutian Islands of Alaska, known for its historical eruptions and remote, rugged setting.
-
C.
Shishaldin Volcano
Shishaldin Volcano is a highly symmetrical, frequently active stratovolcano on Unimak Island in Alaska, known as one of the most prominent volcanic peaks in the Aleutian chain.
-
D.
Akutan volcanic complex
The Akutan volcanic complex is a geologically active volcanic area in Alaska’s Aleutian Islands that includes Mount Akutan and associated vents, lava flows, and geothermal features.
-
E.
Mount Pavlof
Mount Pavlof is one of Alaska’s most active stratovolcanoes, located near the eastern end of the Aleutian volcanic arc.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
active volcano
ⓘ
stratovolcano ⓘ subduction-zone volcano ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| distanceToAdak | about 43 km east ⓘ |
| elevation |
1743 m
ⓘ
5718 ft ⓘ |
| eruptionFrequency | frequently active in the 20th and 21st centuries ⓘ |
| eruptionProduct |
ash clouds
ⓘ
blocky lava flows ⓘ lava domes ⓘ |
| eruptionStyle |
effusive lava effusion
ⓘ
explosive eruptions ⓘ |
| geologicAge | Holocene NERFINISHED ⓘ |
| governedBy | State of Alaska NERFINISHED ⓘ |
| hasAlternativeName | Great Sitkin NERFINISHED ⓘ |
| hasCaldera | yes ⓘ |
| hasFeature |
flank lava flows
ⓘ
hydrothermal system ⓘ lava dome ⓘ summit crater ⓘ |
| hasTopographicProminence | high relative to Great Sitkin Island ⓘ |
| hazard |
ashfall
ⓘ
aviation ash hazard ⓘ lahars ⓘ lava flows ⓘ pyroclastic flows ⓘ volcanic gas emissions ⓘ |
| lastEruptionPeriod | 2021–ongoing ⓘ |
| locatedIn |
Alaska
ⓘ
Aleutian Islands NERFINISHED ⓘ Great Sitkin Island NERFINISHED ⓘ North Pacific Ocean NERFINISHED ⓘ |
| monitoredBy |
Alaska Volcano Observatory
NERFINISHED
ⓘ
United States Geological Survey NERFINISHED ⓘ |
| mountainRange | Aleutian volcanic arc NERFINISHED ⓘ |
| nameLanguage | English ⓘ |
| nearbySettlement | Adak NERFINISHED ⓘ |
| notableEruption |
1945 eruption
ⓘ
1974 eruption ⓘ 2021 eruption ⓘ |
| partOf | Alaska Peninsula and Aleutian Islands volcanic region NERFINISHED ⓘ |
| region | central Aleutian Islands ⓘ |
| rockType |
andesite
ⓘ
basaltic andesite ⓘ |
| summitCraterDiameter | about 2.5 km ⓘ |
| tectonicSetting | subduction of the Pacific Plate beneath the North American Plate ⓘ |
| volcanicArcOrBelt | Aleutian Arc NERFINISHED ⓘ |
| volcanoNumber | 311120 ⓘ |
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: Great Sitkin Volcano Description of subject: Great Sitkin Volcano is an active stratovolcano in the central Aleutian Islands of Alaska, known for frequent eruptions and hazardous ash emissions.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.