Medicine Lake Volcano
E13892
Medicine Lake Volcano is a large, shield-shaped volcano in northeastern California known for its extensive lava flows and location within the Cascade Volcanic Arc.
All labels observed (14)
How this entity was disambiguated
This entity first appeared as the object of triple T111084 — 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: Medicine Lake Volcano Context triple: [Cascade Volcanic Arc, hasVolcano, Medicine Lake Volcano]
-
A.
Mount St. Helens
Mount St. Helens is an active stratovolcano in Washington State, USA, best known for its catastrophic 1980 eruption that dramatically reshaped its summit and surrounding landscape.
-
B.
Newberry Volcano
Newberry Volcano is a large shield-shaped volcanic complex in central Oregon known for its expansive caldera, numerous lava flows and cinder cones, and active geothermal features.
-
C.
Crater Lake
Crater Lake is a deep, intensely blue caldera lake in southern Oregon, formed in the collapsed remains of the volcano Mount Mazama and renowned as the centerpiece of Crater Lake National Park.
-
D.
Gakkel Ridge
Gakkel Ridge is a slow-spreading mid-ocean ridge located beneath the Arctic Ocean, forming the tectonic boundary between the North American and Eurasian plates.
-
E.
Lake Tear of the Clouds
Lake Tear of the Clouds is a small mountain tarn on the slopes of New York’s Mount Marcy, historically recognized as the highest-elevation source of the Hudson River.
- 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: Medicine Lake Volcano Target entity description: Medicine Lake Volcano is a large, shield-shaped volcano in northeastern California known for its extensive lava flows and location within the Cascade Volcanic Arc.
-
A.
Mount St. Helens
Mount St. Helens is an active stratovolcano in Washington State, USA, best known for its catastrophic 1980 eruption that dramatically reshaped its summit and surrounding landscape.
-
B.
Newberry Volcano
Newberry Volcano is a large shield-shaped volcanic complex in central Oregon known for its expansive caldera, numerous lava flows and cinder cones, and active geothermal features.
-
C.
Crater Lake
Crater Lake is a deep, intensely blue caldera lake in southern Oregon, formed in the collapsed remains of the volcano Mount Mazama and renowned as the centerpiece of Crater Lake National Park.
-
D.
Gakkel Ridge
Gakkel Ridge is a slow-spreading mid-ocean ridge located beneath the Arctic Ocean, forming the tectonic boundary between the North American and Eurasian plates.
-
E.
Lake Tear of the Clouds
Lake Tear of the Clouds is a small mountain tarn on the slopes of New York’s Mount Marcy, historically recognized as the highest-elevation source of the Hudson River.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Quaternary volcano
ⓘ
active volcano ⓘ shield volcano ⓘ |
| age | more than 500,000 years ⓘ |
| calderaDiameter | approximately 7 km by 12 km ⓘ |
| elevation |
approximately 2412 m
ⓘ
approximately 7917 ft ⓘ |
| eruptiveProducts |
lava flows
ⓘ
obsidian flows ⓘ pyroclastic deposits ⓘ |
| hasEruptionStyle |
effusive
ⓘ
explosive ⓘ |
| hasFeature | caldera ⓘ |
| hasGeothermalActivity | yes ⓘ |
| hasGlacialFeature | paternoster lakes in caldera ⓘ |
| hasHazard |
lava flows
ⓘ
pyroclastic flows ⓘ tephra fall ⓘ volcanic gas emissions ⓘ |
| hasLavaFlow |
Callahan flow
ⓘ
Medicine Lake Volcano self-linksurface differs ⓘ
surface form:
Glass Mountain lava flow
Medicine Lake Volcano self-linksurface differs ⓘ
surface form:
Little Glass Mountain lava flow
Medicine Lake Volcano self-linksurface differs ⓘ
surface form:
Medicine Lake Glass Flow
|
| hasObsidianDome |
Glass Mountain
ⓘ
Little Glass Mountain ⓘ |
| hasProtectedArea | Medicine Lake Recreation Area ⓘ |
| hasSummitFeature | Medicine Lake ⓘ |
| hasTectonicSetting | back-arc setting east of main Cascade axis ⓘ |
| isConsidered | one of the largest volcanoes in the Cascade Range by volume ⓘ |
| isLargerThan |
Mount Shasta
ⓘ
surface form:
Mount Shasta (by volume)
|
| isNorthOf | Mount Shasta ⓘ |
| isWithin |
Modoc National Forest
ⓘ
Shasta-Trinity National Forest ⓘ |
| lastEruption | approximately 1000 years ago ⓘ |
| lastEruptionPeriod | Holocene ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Modoc County, California ⓘ Siskiyou County, California ⓘ United States of America ⓘ
surface form:
United States
|
| monitoredBy |
USGS California Volcano Observatory
ⓘ
United States Geological Survey ⓘ |
| partOf |
Cascade Range
ⓘ
Cascade Volcanic Arc ⓘ |
| rockType |
andesite
ⓘ
basalt ⓘ dacite ⓘ rhyolite ⓘ |
| volcanoType | basaltic-andesitic shield volcano ⓘ |
| volume | greater than 600 km3 ⓘ |
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: Medicine Lake Volcano Description of subject: Medicine Lake Volcano is a large, shield-shaped volcano in northeastern California known for its extensive lava flows and location within the Cascade Volcanic Arc.
Referenced by (28)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Glass Mountain lava flow
this entity surface form:
Little Glass Mountain lava flow
this entity surface form:
Medicine Lake Glass Flow
this entity surface form:
Medicine Lake Volcano volcanic field
this entity surface form:
Medicine Lake volcanic system
this entity surface form:
Medicine Lake volcano
this entity surface form:
Medicine Lake volcano
this entity surface form:
Medicine Lake volcano caldera
this entity surface form:
Medicine Lake Volcano edifice
this entity surface form:
Glass Mountain (Medicine Lake Volcano)
this entity surface form:
Medicine Lake Volcano summit area
this entity surface form:
Glass Mountain (Medicine Lake Volcano)
this entity surface form:
Medicine Lake volcanic field
this entity surface form:
Medicine Lake Volcano region
this entity surface form:
Medicine Lake Volcano caldera
this entity surface form:
Medicine Lake volcano