Redoubt Volcano
E550350
Redoubt Volcano is an active stratovolcano in Alaska’s Aleutian volcanic arc, known for its explosive eruptions and significant ash plumes that have disrupted air traffic.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Redoubt Volcano canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T5859970 — 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: Redoubt Volcano Context triple: [Lake Clark National Park and Preserve, contains, Redoubt Volcano]
-
A.
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.
-
B.
Mount Veniaminof
Mount Veniaminof is an active stratovolcano and massive ice-covered volcanic complex located on the Alaska Peninsula, known for its large caldera and frequent eruptions.
-
C.
Mount Pavlof
Mount Pavlof is one of Alaska’s most active stratovolcanoes, located near the eastern end of the Aleutian volcanic arc.
-
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.
Vsevidof Volcano
Vsevidof Volcano is a prominent stratovolcano in the Aleutian Islands of Alaska, known for its symmetrical cone and occasional explosive eruptions.
- 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: Redoubt Volcano Target entity description: Redoubt Volcano is an active stratovolcano in Alaska’s Aleutian volcanic arc, known for its explosive eruptions and significant ash plumes that have disrupted air traffic.
-
A.
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.
-
B.
Mount Veniaminof
Mount Veniaminof is an active stratovolcano and massive ice-covered volcanic complex located on the Alaska Peninsula, known for its large caldera and frequent eruptions.
-
C.
Mount Pavlof
Mount Pavlof is one of Alaska’s most active stratovolcanoes, located near the eastern end of the Aleutian volcanic arc.
-
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.
Vsevidof Volcano
Vsevidof Volcano is a prominent stratovolcano in the Aleutian Islands of Alaska, known for its symmetrical cone and occasional explosive eruptions.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
active volcano
ⓘ
stratovolcano ⓘ subduction-zone volcano ⓘ |
| alsoKnownAs | Mount Redoubt ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| distanceToAnchorage | approximately 170 km southwest of Anchorage ⓘ |
| elevation |
3108 m
ⓘ
about 10197 ft ⓘ |
| eruption |
1902 eruption of Redoubt Volcano
ⓘ
1966–1968 eruption of Redoubt Volcano ⓘ 1989–1990 eruption of Redoubt Volcano ⓘ 2009 eruption of Redoubt Volcano ⓘ |
| eruptionColumnHeight |
ash plumes exceeding 15 km altitude in 1989–1990
ⓘ
ash plumes exceeding 18 km altitude in 2009 ⓘ |
| eruptionFrequency | eruptions recorded in the 20th and 21st centuries ⓘ |
| eruptionStyle | explosive ⓘ |
| geologicAge | Quaternary ⓘ |
| glacierCoverage | ice- and snow-covered summit ⓘ |
| hazard |
ash plumes
ⓘ
glacial outburst floods ⓘ lahars ⓘ pyroclastic flows ⓘ tephra fall ⓘ volcanic mudflows ⓘ |
| lastEruption | 2009 ⓘ |
| listedIn |
Global Volcanism Program database
ⓘ
linked to:
Global Volcanism Program
|
| locatedIn |
Alaska
ⓘ
Aleutian volcanic arc ⓘ
linked to:
Aleutian Arc
Cook Inlet region ⓘ
linked to:
Cook Inlet
Kenai Peninsula Borough ⓘ |
| monitoredBy |
Alaska Volcano Observatory
ⓘ
United States Geological Survey ⓘ |
| mountainRange | Aleutian Range ⓘ |
| nearbyCity |
Anchorage, Alaska
ⓘ
linked to:
Anchorage
|
| nearbyWaterBody | Cook Inlet ⓘ |
| notableEvent | 1989 ash plume caused failure of KLM Flight 867 engines ⓘ |
| notableImpact | disruption of air traffic over Alaska ⓘ |
| partOf |
Alaska Peninsula and Aleutian volcanic arc
ⓘ
linked to:
Alaska Peninsula volcanic system
|
| riskCategory | high-threat volcano in the United States ⓘ |
| rockType |
andesite
ⓘ
dacite ⓘ |
| summitCrater | ice-filled crater ⓘ |
| tectonicSetting | subduction of the Pacific Plate beneath the North American Plate ⓘ |
| volcanicArc | Aleutian Arc ⓘ |
| volcanicBelt | Alaska-Aleutian volcanic belt ⓘ |
| volcanoNumber | 313030 ⓘ |
| volcanoType | andesitic stratovolcano ⓘ |
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: Redoubt Volcano Description of subject: Redoubt Volcano is an active stratovolcano in Alaska’s Aleutian volcanic arc, known for its explosive eruptions and significant ash plumes that have disrupted air traffic.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.