Porkchop Geyser
E833382
Porkchop Geyser is a small but notable thermal feature in Yellowstone National Park known for its erratic eruptions and a dramatic 1989 steam explosion that altered its appearance.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Porkchop Geyser canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9919224 — 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: Porkchop Geyser Context triple: [Norris Geyser Basin, contains, Porkchop Geyser]
-
A.
Echinus Geyser
Echinus Geyser is a highly acidic, reddish-hued hot spring in Yellowstone National Park known for its explosive eruptions and distinctive mineral deposits.
-
B.
Vixen Geyser
Vixen Geyser is a small but lively cone geyser in Yellowstone National Park known for its frequent, playful eruptions.
-
C.
Pohutu Geyser
Pohutu Geyser is a famous and powerful geyser in Rotorua, New Zealand, known for its frequent and high eruptions within the Whakarewarewa geothermal area.
-
D.
El Tatio geyser field
El Tatio geyser field is a high-altitude geothermal area in northern Chile’s Andes, famous for its numerous active geysers, steaming fumaroles, and dramatic sunrise landscapes.
-
E.
Prince of Wales Feathers Geyser
Prince of Wales Feathers Geyser is a distinctive geyser in New Zealand’s Rotorua geothermal region, known for its plume-like eruptions that resemble the feathers in the Prince of Wales’s heraldic badge.
- 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: Porkchop Geyser Target entity description: Porkchop Geyser is a small but notable thermal feature in Yellowstone National Park known for its erratic eruptions and a dramatic 1989 steam explosion that altered its appearance.
-
A.
Echinus Geyser
Echinus Geyser is a highly acidic, reddish-hued hot spring in Yellowstone National Park known for its explosive eruptions and distinctive mineral deposits.
-
B.
Vixen Geyser
Vixen Geyser is a small but lively cone geyser in Yellowstone National Park known for its frequent, playful eruptions.
-
C.
Pohutu Geyser
Pohutu Geyser is a famous and powerful geyser in Rotorua, New Zealand, known for its frequent and high eruptions within the Whakarewarewa geothermal area.
-
D.
El Tatio geyser field
El Tatio geyser field is a high-altitude geothermal area in northern Chile’s Andes, famous for its numerous active geysers, steaming fumaroles, and dramatic sunrise landscapes.
-
E.
Prince of Wales Feathers Geyser
Prince of Wales Feathers Geyser is a distinctive geyser in New Zealand’s Rotorua geothermal region, known for its plume-like eruptions that resemble the feathers in the Prince of Wales’s heraldic badge.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
geyser
ⓘ
thermal feature ⓘ |
| access | Norris Geyser Basin trails NERFINISHED ⓘ |
| associatedWith | Norris hydrothermal system NERFINISHED ⓘ |
| causeOf1989Explosion | hydrothermal steam explosion ⓘ |
| continent | North America ⓘ |
| country | United States of America ⓘ |
| effectOf1989Explosion |
altered appearance
ⓘ
crater enlargement ⓘ ejection of rock and debris ⓘ |
| eruptionStyleAfter1989 |
mainly boiling and splashing
ⓘ
reduced activity ⓘ |
| eruptionStyleBefore1989 | frequent small eruptions ⓘ |
| eruptionType |
erratic eruptions
ⓘ
steam-driven explosion ⓘ |
| eventDate | September 5, 1989 ⓘ |
| featureSize | small geyser ⓘ |
| geologicalSetting | hydrothermal area ⓘ |
| hazardType | hydrothermal explosion hazard ⓘ |
| heatSource | Yellowstone hotspot NERFINISHED ⓘ |
| locatedIn |
United States of America
ⓘ
surface form:
United States
Wyoming ⓘ Yellowstone National Park NERFINISHED ⓘ |
| locatedInArea | Norris Geyser Basin NERFINISHED ⓘ |
| management | U.S. National Park Service NERFINISHED ⓘ |
| monitoringBy |
U.S. Geological Survey
NERFINISHED
ⓘ
Yellowstone Volcano Observatory NERFINISHED ⓘ |
| namedAfter | pork chop (shape of vent or pool) ⓘ |
| notableEvent | 1989 steam explosion ⓘ |
| park | Yellowstone National Park NERFINISHED ⓘ |
| partOf |
Norris Geyser Basin
NERFINISHED
ⓘ
Yellowstone Plateau volcanic field NERFINISHED ⓘ |
| region | Rocky Mountains NERFINISHED ⓘ |
| scientificInterest |
hydrothermal system dynamics
ⓘ
steam explosion processes ⓘ |
| touristAttraction | yes ⓘ |
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: Porkchop Geyser Description of subject: Porkchop Geyser is a small but notable thermal feature in Yellowstone National Park known for its erratic eruptions and a dramatic 1989 steam explosion that altered its appearance.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.