Crater Glacier
E68938
Crater Glacier is a relatively young glacier that formed within the crater of Mount St. Helens after its 1980 eruption, growing rapidly in the shadow of the volcano’s crater walls.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Crater Glacier canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T550174 — 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: Crater Glacier Context triple: [Mount St. Helens, glacier, Crater Glacier]
-
A.
Panmah Glacier
Panmah Glacier is a major glacier in Pakistan’s Karakoram range, known for its rugged terrain and proximity to several notable high peaks.
-
B.
Lyell Glacier
Lyell Glacier is a rapidly retreating mountain glacier in Yosemite National Park, historically the largest glacier in the park and situated on the slopes of Mount Lyell in the Sierra Nevada of California.
-
C.
Miage Glacier
Miage Glacier is a large valley glacier on the Italian side of the Mont Blanc massif, notable for its extensive debris-covered surface.
-
D.
Bionnassay Glacier
Bionnassay Glacier is a prominent alpine glacier on the western flank of the Mont Blanc massif in the French Alps.
-
E.
Mendenhall Glacier
Mendenhall Glacier is a 13-mile-long valley glacier in the Tongass National Forest of southeast Alaska, renowned for its striking blue ice, accessible visitor center, and dramatic retreat due to climate change.
- 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: Crater Glacier Target entity description: Crater Glacier is a relatively young glacier that formed within the crater of Mount St. Helens after its 1980 eruption, growing rapidly in the shadow of the volcano’s crater walls.
-
A.
Panmah Glacier
Panmah Glacier is a major glacier in Pakistan’s Karakoram range, known for its rugged terrain and proximity to several notable high peaks.
-
B.
Lyell Glacier
Lyell Glacier is a rapidly retreating mountain glacier in Yosemite National Park, historically the largest glacier in the park and situated on the slopes of Mount Lyell in the Sierra Nevada of California.
-
C.
Miage Glacier
Miage Glacier is a large valley glacier on the Italian side of the Mont Blanc massif, notable for its extensive debris-covered surface.
-
D.
Bionnassay Glacier
Bionnassay Glacier is a prominent alpine glacier on the western flank of the Mont Blanc massif in the French Alps.
-
E.
Mendenhall Glacier
Mendenhall Glacier is a 13-mile-long valley glacier in the Tongass National Forest of southeast Alaska, renowned for its striking blue ice, accessible visitor center, and dramatic retreat due to climate change.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
glacier
ⓘ
mountain glacier ⓘ |
| ageCharacteristic | relatively young ⓘ |
| climateCondition | cold, shaded microclimate ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| discoveredBy | volcanologists studying Mount St. Helens after 1980 eruption ⓘ |
| environmentType | high-elevation volcanic crater ⓘ |
| fedBy |
avalanches from crater walls
ⓘ
snowfall within crater ⓘ |
| formationPeriod | early 1980s ⓘ |
| formedAfter | 1980 eruption of Mount St. Helens ⓘ |
| formedFrom | accumulation of snow and ice in crater ⓘ |
| growthCharacteristic | rapidly growing ⓘ |
| growthEnvironment | shadow of Mount St. Helens crater walls ⓘ |
| hasMovement | flows slowly around lava dome ⓘ |
| hasShape | horseshoe-shaped ice body ⓘ |
| hasType | valley glacier remnant within volcanic crater ⓘ |
| hazardRelation |
interaction with future volcanic activity
ⓘ
potential ice–rock avalanches ⓘ |
| languageOfName | English ⓘ |
| locatedIn |
Mount St. Helens
ⓘ
surface form:
Mount St. Helens National Volcanic Monument
Skamania County, Washington ⓘ United States of America ⓘ
surface form:
United States
Washington ⓘ
surface form:
Washington (state)
crater of Mount St. Helens ⓘ |
| namedAfter |
Mount St. Helens
ⓘ
surface form:
crater of Mount St. Helens
|
| notableFor |
being one of the youngest glaciers in the contiguous United States
ⓘ
forming rapidly after a major volcanic eruption ⓘ |
| observationMethod |
aerial photography
ⓘ
ground-based surveys ⓘ satellite imagery ⓘ |
| partOf |
Mount St. Helens
ⓘ
surface form:
Mount St. Helens volcanic system
|
| positionRelativeTo | lava dome of Mount St. Helens ⓘ |
| protectedAreaStatus | within a federally protected monument ⓘ |
| scientificInterest |
glacier–volcano interactions
ⓘ
post-eruption glacier formation ⓘ rapid glacier growth in volcanic craters ⓘ |
| shelteredBy | crater walls of Mount St. Helens ⓘ |
| shelteredFrom |
direct sunlight
ⓘ
warm winds ⓘ |
| surfaceFeature |
crevasses
ⓘ
icefalls ⓘ moraines ⓘ |
| surfaceFeatureOf | Mount St. Helens ⓘ |
| surrounds | lava dome inside Mount St. Helens crater ⓘ |
| tourismRelation | visible from designated viewpoints around Mount St. Helens ⓘ |
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: Crater Glacier Description of subject: Crater Glacier is a relatively young glacier that formed within the crater of Mount St. Helens after its 1980 eruption, growing rapidly in the shadow of the volcano’s crater walls.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.