Brokeoff Volcano
E862981
Brokeoff Volcano is an eroded, extinct stratovolcano in northern California that forms a prominent peak in Lassen Volcanic National Park.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Brokeoff Volcano canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10438500 — 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: Brokeoff Volcano Context triple: [Lassen Volcanic National Park hydrothermal system, associatedWith, Brokeoff Volcano]
-
A.
Smith Volcano
Smith Volcano is an active stratovolcano in the Babuyan Islands of the northern Philippines, known for its prominent conical shape and periodic eruptions.
-
B.
Yate Volcano
Yate Volcano is a stratovolcano in southern Chile’s Los Lagos Region, known for its steep, glacier-covered cone rising dramatically near the Reloncaví Sound.
-
C.
Juriques volcano
Juriques volcano is a stratovolcano on the Bolivia–Chile border in the Andes, known for its prominent conical shape and proximity to the better-known Licancabur volcano.
-
D.
Ardoukoba volcano
Ardoukoba volcano is a small fissure volcano in Djibouti formed along the East African Rift, known for its 1978 eruption and location between Lake Assal and the Gulf of Tadjoura.
-
E.
Severgin Volcano
Severgin Volcano is a stratovolcano located in Russia’s Kuril Islands, part of the volcanic arc stretching between Japan and Kamchatka.
- 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: Brokeoff Volcano Target entity description: Brokeoff Volcano is an eroded, extinct stratovolcano in northern California that forms a prominent peak in Lassen Volcanic National Park.
-
A.
Smith Volcano
Smith Volcano is an active stratovolcano in the Babuyan Islands of the northern Philippines, known for its prominent conical shape and periodic eruptions.
-
B.
Yate Volcano
Yate Volcano is a stratovolcano in southern Chile’s Los Lagos Region, known for its steep, glacier-covered cone rising dramatically near the Reloncaví Sound.
-
C.
Juriques volcano
Juriques volcano is a stratovolcano on the Bolivia–Chile border in the Andes, known for its prominent conical shape and proximity to the better-known Licancabur volcano.
-
D.
Ardoukoba volcano
Ardoukoba volcano is a small fissure volcano in Djibouti formed along the East African Rift, known for its 1978 eruption and location between Lake Assal and the Gulf of Tadjoura.
-
E.
Severgin Volcano
Severgin Volcano is a stratovolcano located in Russia’s Kuril Islands, part of the volcanic arc stretching between Japan and Kamchatka.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
extinct volcano
ⓘ
stratovolcano ⓘ |
| alsoKnownAs |
Brokeoff Mountain
NERFINISHED
ⓘ
Mount Tehama NERFINISHED ⓘ |
| composition |
andesite
ⓘ
dacite ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| erodedBy |
fluvial erosion
ⓘ
glacial erosion ⓘ |
| eruptionStyle | andesitic volcanism ⓘ |
| formedAs | large composite volcano ⓘ |
| formedBy | subduction of the Juan de Fuca Plate beneath the North American Plate ⓘ |
| geologicalAge | Pleistocene ⓘ |
| hasFeature |
remnant of a larger ancestral volcano
ⓘ
steep eroded slopes ⓘ |
| hasGeologicalSignificance | records early activity of the Lassen volcanic center ⓘ |
| hasHikingTrail | Brokeoff Mountain Trail NERFINISHED ⓘ |
| hasTopographicProminence | prominent peak within Lassen Volcanic National Park ⓘ |
| hasViewOf |
Lassen Peak
NERFINISHED
ⓘ
Lassen Volcanic National Park high country ⓘ |
| isPartOf | Lassen Volcanic National Park landscape ⓘ |
| isPopularFor |
day hiking
ⓘ
scenic views of Lassen Volcanic National Park ⓘ |
| isRemnantOf | ancient Mount Tehama stratovolcano ⓘ |
| lastEruptionPeriod | Pleistocene epoch ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Northern California ⓘ |
| locatedInCounty |
Shasta County, California
NERFINISHED
ⓘ
Tehama County, California NERFINISHED ⓘ |
| locatedInProtectedArea | Lassen Volcanic National Park NERFINISHED ⓘ |
| locatedNear | Lassen Peak NERFINISHED ⓘ |
| managedBy | Lassen Volcanic National Park administration NERFINISHED ⓘ |
| mountainType | volcanic peak ⓘ |
| nearestCity | Redding, California NERFINISHED ⓘ |
| partOf |
Cascade Range
NERFINISHED
ⓘ
Lassen volcanic center NERFINISHED ⓘ |
| protectedBy | U.S. National Park Service NERFINISHED ⓘ |
| region | Shasta Cascade region of California NERFINISHED ⓘ |
| relativeLocation | southwest of Lassen Peak ⓘ |
| status | extinct ⓘ |
| volcanicArcOrBelt | Cascade 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: Brokeoff Volcano Description of subject: Brokeoff Volcano is an eroded, extinct stratovolcano in northern California that forms a prominent peak in Lassen Volcanic National Park.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.