Calabrian Arc
E557623
The Calabrian Arc is a geologically active subduction-arc system in the central Mediterranean, where the Ionian Sea plate is being forced beneath the Calabrian region of southern Italy, producing intense seismicity and volcanism.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Calabrian Arc canonical | 3 |
| Calabrian arc | 1 |
| Calabrian subduction zone | 1 |
| southern Apennines–Calabrian area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5947923 — 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: Calabrian Arc Context triple: [Marsili Basin, associatedWith, Calabrian Arc]
-
A.
Apennine volcanic arc
The Apennine volcanic arc is a chain of volcanoes and related geological features in Italy associated with the tectonic activity of the Apennine mountain range.
-
B.
Cilento
Cilento is a historic coastal and mountainous region in southern Italy’s Campania known for its traditional Mediterranean lifestyle, ancient sites, and inclusion in a UNESCO World Heritage area.
-
C.
Aspromonte
Aspromonte is a rugged mountain massif in southern Italy known for its dramatic landscapes, rich biodiversity, and cultural significance within the region of Calabria.
-
D.
Gargano Peninsula
The Gargano Peninsula is a mountainous promontory in southeastern Italy known for its rugged coastline, forests, and seaside resorts along the Adriatic Sea.
-
E.
Ligurian Apennines
The Ligurian Apennines are a mountain range in northwestern Italy forming part of the northern Apennines and separating the Ligurian coast from the Po Valley.
- 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: Calabrian Arc Target entity description: The Calabrian Arc is a geologically active subduction-arc system in the central Mediterranean, where the Ionian Sea plate is being forced beneath the Calabrian region of southern Italy, producing intense seismicity and volcanism.
-
A.
Apennine volcanic arc
The Apennine volcanic arc is a chain of volcanoes and related geological features in Italy associated with the tectonic activity of the Apennine mountain range.
-
B.
Cilento
Cilento is a historic coastal and mountainous region in southern Italy’s Campania known for its traditional Mediterranean lifestyle, ancient sites, and inclusion in a UNESCO World Heritage area.
-
C.
Aspromonte
Aspromonte is a rugged mountain massif in southern Italy known for its dramatic landscapes, rich biodiversity, and cultural significance within the region of Calabria.
-
D.
Gargano Peninsula
The Gargano Peninsula is a mountainous promontory in southeastern Italy known for its rugged coastline, forests, and seaside resorts along the Adriatic Sea.
-
E.
Ligurian Apennines
The Ligurian Apennines are a mountain range in northwestern Italy forming part of the northern Apennines and separating the Ligurian coast from the Po Valley.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
geologic structure
ⓘ
subduction-arc system ⓘ |
| age | Cenozoic ⓘ |
| associatedWith |
Benioff zone beneath southern Italy
ⓘ
Calabria NERFINISHED ⓘ Ionian Sea plate NERFINISHED ⓘ Tyrrhenian Sea back-arc basin NERFINISHED ⓘ back-arc extension ⓘ intermediate-depth seismicity ⓘ normal faulting in the overriding plate ⓘ thrust faulting at the plate interface ⓘ tsunami-generating earthquakes in the central Mediterranean ⓘ |
| causes |
crustal deformation in southern Italy
ⓘ
high seismic hazard in Calabria ⓘ |
| characterizedBy |
intense seismicity
ⓘ
volcanism ⓘ |
| developedDuring | Neogene NERFINISHED ⓘ |
| forms | curved tectonic arc ⓘ |
| geologicalActivity |
earthquakes
ⓘ
volcanic eruptions ⓘ |
| hasProperty |
highly curved subduction front
ⓘ
rapid slab retreat compared to surrounding regions ⓘ |
| influences |
seismic risk in southern Italy
ⓘ
topography of Calabria ⓘ |
| locatedIn |
central Mediterranean
ⓘ
southern Italy NERFINISHED ⓘ |
| movementType | slab rollback ⓘ |
| orientation | arc-shaped belt around Calabria ⓘ |
| overridingPlate | Calabrian region of southern Italy NERFINISHED ⓘ |
| partOf |
Mediterranean region
NERFINISHED
ⓘ
central Mediterranean subduction system ⓘ |
| relatedTo |
Aeolian Islands volcanic arc
NERFINISHED
ⓘ
Apennine subduction system NERFINISHED ⓘ Etna volcanic system NERFINISHED ⓘ Hellenic Arc NERFINISHED ⓘ |
| researchFocus |
arc volcanism
ⓘ
earthquake hazard assessment in southern Italy ⓘ slab dynamics ⓘ |
| studiedIn |
plate kinematics of the central Mediterranean
ⓘ
seismotectonics of the Mediterranean ⓘ |
| subductingPlate | Ionian Sea plate NERFINISHED ⓘ |
| tectonicSetting |
convergent plate boundary
ⓘ
subduction zone ⓘ |
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: Calabrian Arc Description of subject: The Calabrian Arc is a geologically active subduction-arc system in the central Mediterranean, where the Ionian Sea plate is being forced beneath the Calabrian region of southern Italy, producing intense seismicity and volcanism.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Vrica section
subject surface form:
Vrica section
this entity surface form:
southern Apennines–Calabrian area
this entity surface form:
Calabrian arc
this entity surface form:
Calabrian subduction zone