Lava Creek Tuff eruption
E709121
The Lava Creek Tuff eruption was a massive supereruption at Yellowstone about 640,000 years ago that created the current Yellowstone Caldera and deposited extensive volcanic ash across much of North America.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lava Creek Tuff eruption canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7960190 — 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: Lava Creek Tuff eruption Context triple: [Yellowstone Caldera, previousCalderaFormingEruption, Lava Creek Tuff eruption]
-
A.
Huckleberry Ridge Tuff eruption
The Huckleberry Ridge Tuff eruption was an enormous supereruption of the Yellowstone hotspot about 2.1 million years ago, producing vast ash deposits and helping form one of the largest known calderas on Earth.
-
B.
Mesa Falls Tuff eruption
The Mesa Falls Tuff eruption was a major explosive volcanic event in the Yellowstone region that produced extensive ash-flow deposits and helped shape an earlier phase of the Yellowstone volcanic system.
-
C.
Oruanui eruption of Taupō volcano
The Oruanui eruption of Taupō volcano was a massive supereruption about 26,500 years ago that created Lake Taupō and is one of the largest known volcanic eruptions on Earth in the last 100,000 years.
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D.
Thera eruption
The Thera eruption was a massive Bronze Age volcanic explosion on the Aegean island of Thera (Santorini) that devastated nearby regions and is often linked to the collapse of Minoan civilization.
-
E.
Chahorra eruption
The Chahorra eruption was a historic volcanic event of Pico Viejo on Tenerife in the Canary Islands, notable for its lava flows and impact on the island’s landscape.
- 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: Lava Creek Tuff eruption Target entity description: The Lava Creek Tuff eruption was a massive supereruption at Yellowstone about 640,000 years ago that created the current Yellowstone Caldera and deposited extensive volcanic ash across much of North America.
-
A.
Huckleberry Ridge Tuff eruption
The Huckleberry Ridge Tuff eruption was an enormous supereruption of the Yellowstone hotspot about 2.1 million years ago, producing vast ash deposits and helping form one of the largest known calderas on Earth.
-
B.
Mesa Falls Tuff eruption
The Mesa Falls Tuff eruption was a major explosive volcanic event in the Yellowstone region that produced extensive ash-flow deposits and helped shape an earlier phase of the Yellowstone volcanic system.
-
C.
Oruanui eruption of Taupō volcano
The Oruanui eruption of Taupō volcano was a massive supereruption about 26,500 years ago that created Lake Taupō and is one of the largest known volcanic eruptions on Earth in the last 100,000 years.
-
D.
Thera eruption
The Thera eruption was a massive Bronze Age volcanic explosion on the Aegean island of Thera (Santorini) that devastated nearby regions and is often linked to the collapse of Minoan civilization.
-
E.
Chahorra eruption
The Chahorra eruption was a historic volcanic event of Pico Viejo on Tenerife in the Canary Islands, notable for its lava flows and impact on the island’s landscape.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf | supereruption ⓘ |
| ashDistribution | much of North America ⓘ |
| associatedWith | Lava Creek Tuff member of Yellowstone Group NERFINISHED ⓘ |
| calderaDiameter | approximately 45 by 75 kilometers ⓘ |
| cause | Yellowstone mantle plume activity ⓘ |
| created | current Yellowstone Caldera outline ⓘ |
| depositType |
ignimbrite
ⓘ
welded tuff ⓘ |
| erupted | Lava Creek Tuff NERFINISHED ⓘ |
| eruptionSequence | third major caldera-forming eruption of Yellowstone hotspot in last 2.1 million years ⓘ |
| eruptionStyle |
ignimbrite-forming pyroclastic flows
ⓘ
plinian ⓘ |
| eruptionType | caldera-forming eruption ⓘ |
| formed | Yellowstone Caldera NERFINISHED ⓘ |
| geologicAge | Late Pleistocene ⓘ |
| hazardType |
ash fall
ⓘ
caldera collapse ⓘ pyroclastic flows ⓘ |
| impact |
major reshaping of Yellowstone Plateau topography
ⓘ
widespread tephra layer in continental sedimentary records ⓘ |
| location |
United States of America
ⓘ
surface form:
United States
Wyoming NERFINISHED ⓘ Yellowstone National Park NERFINISHED ⓘ |
| magnitude | supervolcanic ⓘ |
| partOf | Yellowstone volcanic system NERFINISHED ⓘ |
| precededBy |
Huckleberry Ridge Tuff eruption
NERFINISHED
ⓘ
Mesa Falls Tuff eruption NERFINISHED ⓘ |
| produced | extensive volcanic ash fall deposits ⓘ |
| relatedProcess | crustal magma chamber evacuation ⓘ |
| resultedIn |
long-lived hydrothermal system at Yellowstone
ⓘ
post-caldera rhyolitic lava flows within Yellowstone Caldera ⓘ |
| significance | one of the largest Quaternary eruptions in North America ⓘ |
| studiedBy |
United States Geological Survey
NERFINISHED
ⓘ
Yellowstone Volcano Observatory NERFINISHED ⓘ |
| tephraCorrelation | marker bed in Pleistocene stratigraphy of North America ⓘ |
| time | about 640,000 years ago ⓘ |
| VEI | 8 ⓘ |
| volcanicField | Yellowstone Plateau volcanic field NERFINISHED ⓘ |
| volcanicProvince | Yellowstone hotspot 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: Lava Creek Tuff eruption Description of subject: The Lava Creek Tuff eruption was a massive supereruption at Yellowstone about 640,000 years ago that created the current Yellowstone Caldera and deposited extensive volcanic ash across much of North America.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.