Marsili volcano
E563112
Marsili volcano is a large, active submarine volcano in the Tyrrhenian Sea, considered one of the most significant underwater volcanic structures in the Mediterranean.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Marsili volcano canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5947935 — 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: Marsili volcano Context triple: [Marsili Basin, nearbyFeature, Marsili volcano]
-
A.
Misti volcano
Misti volcano is a prominent stratovolcano in southern Peru, known for its symmetrical cone and its looming presence over the city of Arequipa.
-
B.
Terevaka volcano
Terevaka volcano is the largest and youngest of Easter Island’s three main volcanoes, forming most of the island’s landmass.
-
C.
Amukta volcano
Amukta volcano is a stratovolcano located on Amukta Island in Alaska’s remote Aleutian Islands chain.
-
D.
Methana volcano
Methana volcano is an active volcanic complex on the Methana Peninsula in Greece, forming part of the volcanic arc created by the Hellenic subduction system in the Aegean region.
-
E.
Lascar volcano
Lascar volcano is an active stratovolcano in northern Chile known for its frequent eruptions and prominent ash plumes within the Central Volcanic Zone of the Andes.
- 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: Marsili volcano Target entity description: Marsili volcano is a large, active submarine volcano in the Tyrrhenian Sea, considered one of the most significant underwater volcanic structures in the Mediterranean.
-
A.
Misti volcano
Misti volcano is a prominent stratovolcano in southern Peru, known for its symmetrical cone and its looming presence over the city of Arequipa.
-
B.
Terevaka volcano
Terevaka volcano is the largest and youngest of Easter Island’s three main volcanoes, forming most of the island’s landmass.
-
C.
Amukta volcano
Amukta volcano is a stratovolcano located on Amukta Island in Alaska’s remote Aleutian Islands chain.
-
D.
Methana volcano
Methana volcano is an active volcanic complex on the Methana Peninsula in Greece, forming part of the volcanic arc created by the Hellenic subduction system in the Aegean region.
-
E.
Lascar volcano
Lascar volcano is an active stratovolcano in northern Chile known for its frequent eruptions and prominent ash plumes within the Central Volcanic Zone of the Andes.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
active volcano
ⓘ
seamount ⓘ submarine volcano ⓘ |
| country | Italy ⓘ |
| discoveredBy | Luigi Ferdinando Marsili NERFINISHED ⓘ |
| elevationAboveSeafloor | about 3000 m ⓘ |
| eruptionStatus | active ⓘ |
| formationProcess | subduction-related magmatism ⓘ |
| geologicalAge | Pleistocene to Holocene ⓘ |
| geologicalSetting | back-arc basin of the Tyrrhenian Sea ⓘ |
| hasFeature |
fumaroles
ⓘ
hydrothermal vents ⓘ lava flows ⓘ volcanic cones ⓘ |
| hasHydrothermalActivity | yes ⓘ |
| hasSeismicActivity | yes ⓘ |
| hazardZoneFor | Tyrrhenian coastal areas of Italy ⓘ |
| height | about 3000 m ⓘ |
| lastKnownActivity | seismic and hydrothermal activity in the 20th and 21st centuries ⓘ |
| length | about 70 km ⓘ |
| locatedIn |
Mediterranean Sea
ⓘ
Tyrrhenian Sea NERFINISHED ⓘ |
| locatedInMarineRegion | western Mediterranean ⓘ |
| locatedOnTectonicSetting |
convergent plate boundary
ⓘ
subduction zone ⓘ |
| monitoring | Italian National Institute of Geophysics and Volcanology NERFINISHED ⓘ |
| mountainRange | Aeolian volcanic arc NERFINISHED ⓘ |
| namedAfter | Luigi Ferdinando Marsili NERFINISHED ⓘ |
| nearbyIslands | Aeolian Islands NERFINISHED ⓘ |
| nearbyLandmass |
Sicily
NERFINISHED
ⓘ
southern Italy ⓘ |
| partOf | Southern Tyrrhenian Sea NERFINISHED ⓘ |
| risk |
potential tsunami generation
ⓘ
submarine landslides ⓘ underwater explosive eruptions ⓘ |
| rockType |
andesite
ⓘ
basalt ⓘ |
| shape | elongated volcanic massif ⓘ |
| significance |
largest known submarine volcano in Europe
ⓘ
one of the most important underwater volcanic structures in the Mediterranean ⓘ |
| studiedBy |
marine geologists
ⓘ
volcanologists ⓘ |
| summitDepth | about 450 m below sea level ⓘ |
| typeOfActivity |
effusive eruptions
ⓘ
explosive eruptions ⓘ |
| volcanicArcOrBelt | Aeolian arc NERFINISHED ⓘ |
| width | about 30 km ⓘ |
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: Marsili volcano Description of subject: Marsili volcano is a large, active submarine volcano in the Tyrrhenian Sea, considered one of the most significant underwater volcanic structures in the Mediterranean.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.