Meiji Seamount
E130107
Meiji Seamount is a large, ancient underwater volcano located at the northern end of the Hawaiian–Emperor seamount chain in the North Pacific Ocean.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Meiji Seamount canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1007988 — 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: Meiji Seamount Context triple: [Hawaiian–Emperor seamount chain, hasPart, Meiji Seamount]
-
A.
Suiko Seamount
Suiko Seamount is an underwater volcanic mountain in the northwestern Pacific Ocean that forms part of the long, age-progressive Hawaiian–Emperor seamount chain.
-
B.
Yuryaku Seamount
Yuryaku Seamount is an underwater volcanic mountain that forms part of the long, age-progressive Hawaiian–Emperor seamount chain in the North Pacific Ocean.
-
C.
Detroit Seamount
Detroit Seamount is a large, ancient underwater volcano in the North Pacific Ocean that forms part of the long volcanic trail created as the Pacific Plate moved over the Hawaiian hotspot.
-
D.
Kuril Trench
The Kuril Trench is a deep oceanic trench in the northwest Pacific Ocean off the Kuril Islands, formed by the subduction of the Pacific Plate beneath the Okhotsk Plate and known for its intense seismic and volcanic activity.
-
E.
Alpha–Mendeleev Ridge complex
The Alpha–Mendeleev Ridge complex is a large submarine volcanic ridge system in the Arctic Ocean, forming part of the ocean floor topography between the Eurasian and Amerasian basins.
- 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: Meiji Seamount Target entity description: Meiji Seamount is a large, ancient underwater volcano located at the northern end of the Hawaiian–Emperor seamount chain in the North Pacific Ocean.
-
A.
Suiko Seamount
Suiko Seamount is an underwater volcanic mountain in the northwestern Pacific Ocean that forms part of the long, age-progressive Hawaiian–Emperor seamount chain.
-
B.
Yuryaku Seamount
Yuryaku Seamount is an underwater volcanic mountain that forms part of the long, age-progressive Hawaiian–Emperor seamount chain in the North Pacific Ocean.
-
C.
Detroit Seamount
Detroit Seamount is a large, ancient underwater volcano in the North Pacific Ocean that forms part of the long volcanic trail created as the Pacific Plate moved over the Hawaiian hotspot.
-
D.
Kuril Trench
The Kuril Trench is a deep oceanic trench in the northwest Pacific Ocean off the Kuril Islands, formed by the subduction of the Pacific Plate beneath the Okhotsk Plate and known for its intense seismic and volcanic activity.
-
E.
Alpha–Mendeleev Ridge complex
The Alpha–Mendeleev Ridge complex is a large submarine volcanic ridge system in the Arctic Ocean, forming part of the ocean floor topography between the Eurasian and Amerasian basins.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
guyot
ⓘ
seamount ⓘ submarine volcano ⓘ |
| age | approximately 80 million years ⓘ |
| approximateLatitude | ~53°N ⓘ |
| approximateLongitude | ~165°E ⓘ |
| baseDepth | over 5000 meters below sea level ⓘ |
| chain |
Emperor seamounts
ⓘ
linked to:
Emperor Seamounts
Hawaiian–Emperor seamount chain ⓘ |
| chainPosition | oldest large volcano in the Hawaiian–Emperor seamount chain ⓘ |
| country | international waters ⓘ |
| crustType | oceanic crust ⓘ |
| discoveredBy | bathymetric surveys of the North Pacific ⓘ |
| distanceFromHawaii | over 2000 kilometers northwest of the Hawaiian Islands ⓘ |
| eroded | yes ⓘ |
| erosionalHistory | summit planed off by wave erosion before subsidence ⓘ |
| erosionProcess | marine erosion ⓘ |
| featureType |
flat-topped seamount
ⓘ
underwater volcano ⓘ |
| formedAs | shield volcano ⓘ |
| formedBy | Hawaiian hotspot ⓘ |
| geologicalAge | Late Cretaceous ⓘ |
| geologicProvince |
northwestern Hawaiian–Emperor seamount province
ⓘ
linked to:
Hawaiian–Emperor seamount chain
|
| hasFlatSummit | yes ⓘ |
| hasScientificInterest | high ⓘ |
| hotspotTrackRole | records early part of Hawaiian hotspot track ⓘ |
| lastEruption | Cretaceous period ⓘ |
| locatedAtEndOf | northern end of the Hawaiian–Emperor seamount chain ⓘ |
| locatedIn |
Hawaiian–Emperor seamount chain
ⓘ
North Pacific Ocean ⓘ
linked to:
Northern Pacific Ocean
|
| movementHistory | transported northwestward by Pacific Plate motion ⓘ |
| namedAfter |
Emperor Meiji of Japan
ⓘ
linked to:
Emperor Meiji
|
| namedFor |
Meiji period of Japan
ⓘ
linked to:
Meiji era
|
| ocean | Pacific Ocean ⓘ |
| partOf | Hawaiian–Emperor seamount chain ⓘ |
| region |
northwestern Pacific Ocean
ⓘ
linked to:
Northwestern Pacific Ocean
|
| shape | broad, flat-topped guyot ⓘ |
| significance | records motion of the Pacific Plate over the Hawaiian hotspot ⓘ |
| studiedIn |
marine geology
ⓘ
plate tectonics ⓘ |
| subsidenceProcess | thermal subsidence of oceanic lithosphere ⓘ |
| summitDepth | approximately 2000 meters below sea level ⓘ |
| summitEnvironment | deep-sea environment ⓘ |
| tectonicPlate | Pacific Plate ⓘ |
| usedFor | reconstructing Pacific Plate motion ⓘ |
| volcanicActivityStatus | extinct ⓘ |
| volcanicOrigin | hotspot volcanism ⓘ |
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: Meiji Seamount Description of subject: Meiji Seamount is a large, ancient underwater volcano located at the northern end of the Hawaiian–Emperor seamount chain in the North Pacific Ocean.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.