Agrihan seamount
E547607
Agrihan seamount is a large submarine volcanic mountain in the Northern Mariana Islands, forming the underwater base of the Agrihan volcano.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Agrihan seamount canonical | 1 |
| Ahyi Seamount | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5811519 — 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: Agrihan seamount Context triple: [Agrihan volcano, locatedOn, Agrihan 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.
Vavilov Seamount
Vavilov Seamount is a large underwater volcanic mountain located in the Tyrrhenian Sea, notable for its role in the region’s complex tectonic and magmatic activity.
-
C.
Koko Seamount
Koko Seamount is a large underwater volcanic mountain in the North Pacific Ocean that forms part of the Emperor Seamount chain extending northwest from Hawaii.
-
D.
Yomei Seamount
Yomei Seamount is an older underwater volcanic mountain in the Pacific Ocean that forms part of the Emperor Seamount chain.
-
E.
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.
- 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: Agrihan seamount Target entity description: Agrihan seamount is a large submarine volcanic mountain in the Northern Mariana Islands, forming the underwater base of the Agrihan volcano.
-
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.
Vavilov Seamount
Vavilov Seamount is a large underwater volcanic mountain located in the Tyrrhenian Sea, notable for its role in the region’s complex tectonic and magmatic activity.
-
C.
Koko Seamount
Koko Seamount is a large underwater volcanic mountain in the North Pacific Ocean that forms part of the Emperor Seamount chain extending northwest from Hawaii.
-
D.
Yomei Seamount
Yomei Seamount is an older underwater volcanic mountain in the Pacific Ocean that forms part of the Emperor Seamount chain.
-
E.
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.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
seamount
ⓘ
submarine volcano ⓘ |
| administeredBy |
Commonwealth of the Northern Mariana Islands
ⓘ
linked to:
Northern Mariana Islands
|
| age | Quaternary ⓘ |
| associatedIsland | Agrihan ⓘ |
| baseOn | ocean floor ⓘ |
| composition |
andesitic rocks
ⓘ
basaltic rocks ⓘ |
| connectedTo | subaerial Agrihan cone ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| elevationRelativeTo | rises thousands of meters above surrounding seafloor ⓘ |
| eruptionStyle | submarine volcanism ⓘ |
| featureOf | Mariana region bathymetry ⓘ |
| formedBy | arc volcanism ⓘ |
| formsBaseOf | Agrihan volcano ⓘ |
| geologicalProvince | western Pacific island arcs ⓘ |
| geologicalSetting | subduction zone ⓘ |
| hazardType | submarine volcanic hazard ⓘ |
| isSubmerged | true ⓘ |
| locatedIn |
Micronesia
ⓘ
Northern Mariana Islands ⓘ Pacific Ocean ⓘ |
| locatedNear | Agrihan Island ⓘ |
| locatedNorthOf | Saipan ⓘ |
| morphology | large volcanic edifice ⓘ |
| nearbyFeature | Mariana Trench ⓘ |
| origin | oceanic arc volcanism ⓘ |
| overlies | subducting Pacific Plate ⓘ |
| partOf |
Izu–Bonin–Mariana Arc
ⓘ
linked to:
Izu–Bonin Arc
Mariana Islands archipelago ⓘ
linked to:
Mariana Islands
Mariana Islands volcanic chain ⓘ
linked to:
Mariana volcanic arc
Mariana volcanic arc ⓘ |
| region | western Pacific Ocean ⓘ |
| relatedTo |
Agrihan volcanic edifice
ⓘ
linked to:
Agrihan volcano
|
| slope | steep flanks ⓘ |
| summitBelowSeaLevel | true ⓘ |
| tectonicPlate | Pacific Plate ⓘ |
| volcanicArc |
Mariana Arc
ⓘ
linked to:
Mariana Island Arc
|
| volcanicType | stratovolcano base ⓘ |
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: Agrihan seamount Description of subject: Agrihan seamount is a large submarine volcanic mountain in the Northern Mariana Islands, forming the underwater base of the Agrihan volcano.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Agrihan seamount