Magnaghi Seamount
E143854
Magnaghi Seamount is an underwater volcanic mountain located in the Tyrrhenian Sea, part of the complex seafloor topography of the western Mediterranean.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Magnaghi Seamount canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1128637 — 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: Magnaghi Seamount Context triple: [Tyrrhenian Sea, hasSeamount, Magnaghi Seamount]
-
A.
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.
-
B.
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.
-
C.
Marsili Seamount
Marsili Seamount is a large, active submarine volcano in the southern Tyrrhenian Sea and one of the most prominent volcanic structures in the Mediterranean.
-
D.
Meiji Seamount
Meiji Seamount is a large, ancient underwater volcano located at the northern end of the Hawaiian–Emperor seamount chain in the North Pacific Ocean.
-
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: Magnaghi Seamount Target entity description: Magnaghi Seamount is an underwater volcanic mountain located in the Tyrrhenian Sea, part of the complex seafloor topography of the western Mediterranean.
-
A.
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.
-
B.
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.
-
C.
Marsili Seamount
Marsili Seamount is a large, active submarine volcano in the southern Tyrrhenian Sea and one of the most prominent volcanic structures in the Mediterranean.
-
D.
Meiji Seamount
Meiji Seamount is a large, ancient underwater volcano located at the northern end of the Hawaiian–Emperor seamount chain in the North Pacific Ocean.
-
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 (25)
| Predicate | Object |
|---|---|
| instanceOf |
seamount
ⓘ
submarine volcano ⓘ underwater mountain ⓘ |
| hasEnvironment | marine environment ⓘ |
| hasFeature |
submarine relief
ⓘ
volcanic edifice ⓘ |
| hasGeologicalOrigin | volcanic ⓘ |
| hasNameOrigin | named after Italian admiral or vessel Magnaghi (inferred naming convention) ⓘ |
| hasRelevanceFor |
Mediterranean geodynamics
ⓘ
benthic marine habitats ⓘ tectonic evolution of the Tyrrhenian Sea ⓘ |
| isInCountryWater | Italy ⓘ |
| isInOcean | Mediterranean Sea ⓘ |
| isInRegion |
western Mediterranean
ⓘ
linked to:
Western Mediterranean
|
| isPartOf |
Mediterranean submarine volcanic province
ⓘ
linked to:
Tyrrhenian Sea volcanic province
|
| isStudiedIn |
marine geology
ⓘ
oceanography ⓘ volcanology ⓘ |
| isSubmerged | true ⓘ |
| isTypeOf | oceanic landform ⓘ |
| locatedIn |
Mediterranean Sea
ⓘ
Tyrrhenian Sea ⓘ western Mediterranean Sea ⓘ
linked to:
Western Mediterranean
|
| partOf |
Tyrrhenian Basin
ⓘ
linked to:
Tyrrhenian Sea
seafloor topography of the western Mediterranean ⓘ |
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: Magnaghi Seamount Description of subject: Magnaghi Seamount is an underwater volcanic mountain located in the Tyrrhenian Sea, part of the complex seafloor topography of the western Mediterranean.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.