Tseax Cone
E506278
Tseax Cone is a volcanic cinder cone in northwestern British Columbia, Canada, known for a historic lava flow that caused one of the deadliest volcanic disasters in the country’s history.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tseax Cone canonical | 2 |
| Tseax Cone volcanic eruption | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5250271 — 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: Tseax Cone Context triple: [Nass River, nearGeologicalFeature, Tseax Cone]
-
A.
MacKenney cone
MacKenney cone is the main active volcanic cone of the Pacaya volcano complex in Guatemala, known for its frequent eruptions and lava flows.
-
B.
Lava Butte
Lava Butte is a prominent cinder cone volcano and popular geological attraction located near Bend in central Oregon.
-
C.
Mount Aniakchak
Mount Aniakchak is a massive volcanic caldera on the Alaska Peninsula known for its remote wilderness, dramatic geology, and status as part of the Aniakchak National Monument and Preserve.
-
D.
Collier Cone
Collier Cone is a cinder cone volcano in the Cascade Range of Oregon, located near the North Sister peak.
-
E.
Cinder Cone
Cinder Cone is a small, steep-sided volcanic cone in northern California known for its striking lava beds and colorful volcanic ash landscapes.
- 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: Tseax Cone Target entity description: Tseax Cone is a volcanic cinder cone in northwestern British Columbia, Canada, known for a historic lava flow that caused one of the deadliest volcanic disasters in the country’s history.
-
A.
MacKenney cone
MacKenney cone is the main active volcanic cone of the Pacaya volcano complex in Guatemala, known for its frequent eruptions and lava flows.
-
B.
Lava Butte
Lava Butte is a prominent cinder cone volcano and popular geological attraction located near Bend in central Oregon.
-
C.
Mount Aniakchak
Mount Aniakchak is a massive volcanic caldera on the Alaska Peninsula known for its remote wilderness, dramatic geology, and status as part of the Aniakchak National Monument and Preserve.
-
D.
Collier Cone
Collier Cone is a cinder cone volcano in the Cascade Range of Oregon, located near the North Sister peak.
-
E.
Cinder Cone
Cinder Cone is a small, steep-sided volcanic cone in northern California known for its striking lava beds and colorful volcanic ash landscapes.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
cinder cone
ⓘ
volcano ⓘ |
| age | Holocene NERFINISHED ⓘ |
| alsoKnownAs |
Aiyansh volcano
NERFINISHED
ⓘ
Tseax River Cone NERFINISHED ⓘ |
| associatedPeople | Nisga’a Nation NERFINISHED ⓘ |
| country | Canada ⓘ |
| countryRank | site of one of the most lethal volcanic events in Canadian history ⓘ |
| culturalSignificance | sacred site for the Nisga’a people ⓘ |
| deathTollEstimate | approximately 2000 people ⓘ |
| elevation |
about 2000 feet
ⓘ
approximately 610 metres ⓘ |
| eruptionProduct | basaltic lava ⓘ |
| eruptionStyle | effusive ⓘ |
| formationProcess | strombolian eruptions building a scoria cone ⓘ |
| governingProvince | British Columbia NERFINISHED ⓘ |
| hazard |
lava flows
ⓘ
volcanic gases ⓘ |
| knownFor |
historic lava flow that caused significant loss of life among the Nisga’a people
ⓘ
one of Canada’s deadliest volcanic disasters ⓘ |
| lastEruption |
approximately 18th century
ⓘ
late 1600s or early 1700s ⓘ |
| lavaFlowLength | about 22 kilometres ⓘ |
| lavaFlowName | Tseax lava flow NERFINISHED ⓘ |
| locatedIn |
British Columbia
ⓘ
Coast Mountains NERFINISHED ⓘ Nass River valley NERFINISHED ⓘ Nisga’a Memorial Lava Bed Provincial Park NERFINISHED ⓘ Nisga’a Nation traditional territory NERFINISHED ⓘ Northern Cordilleran Volcanic Province NERFINISHED ⓘ Stikine Plateau NERFINISHED ⓘ northwestern British Columbia ⓘ northwestern North America ⓘ |
| locatedNear |
Nass River
NERFINISHED
ⓘ
village of Gitlakdamix (New Aiyansh) NERFINISHED ⓘ village of Gitwinksihlkw NERFINISHED ⓘ |
| memorialPurpose | commemorates Nisga’a people killed by the eruption ⓘ |
| monitoring | subject to geological and hazard studies ⓘ |
| namedAfter | Tseax River NERFINISHED ⓘ |
| partOf | Canadian Cordillera NERFINISHED ⓘ |
| protectedArea | Nisga’a Memorial Lava Bed Provincial Park NERFINISHED ⓘ |
| rockType | alkali basalt ⓘ |
| status | potentially active volcano ⓘ |
| surficialFeature |
extensive lava beds
ⓘ
lava tubes ⓘ spatter cones ⓘ |
| volcanicArcOrBelt | Northern Cordilleran Volcanic Province NERFINISHED ⓘ |
| volcanicType | cinder cone ⓘ |
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: Tseax Cone Description of subject: Tseax Cone is a volcanic cinder cone in northwestern British Columbia, Canada, known for a historic lava flow that caused one of the deadliest volcanic disasters in the country’s history.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tseax Cone volcanic eruption