Nisyros volcano
E306124
Nisyros volcano is an active stratovolcano in the southeastern Aegean Sea, forming part of Greece’s volcanic arc and known for its caldera, hydrothermal activity, and historical eruptions.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Nisyros volcano canonical | 4 |
| Stefanos crater | 2 |
| Nisyros caldera rim | 1 |
| Nisyros volcanic caldera | 1 |
| Nisyros volcanic complex | 1 |
| Nisyros volcanic crater | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2837185 — 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: Nisyros volcano Context triple: [Hellenic subduction system, associatedWith, Nisyros volcano]
-
A.
Alaid Volcano
Alaid Volcano is a prominent, frequently active stratovolcano forming the northernmost and highest peak of Russia’s Kuril Islands.
-
B.
Stromboli
Stromboli is an active volcanic island in the Tyrrhenian Sea, famous for its frequent mild eruptions that have earned it the nickname "Lighthouse of the Mediterranean."
-
C.
Stromboli
Stromboli is the greedy, villainous puppeteer who exploits Pinocchio for profit in Disney’s animated film adaptation of the classic tale.
-
D.
Bogoslov Island Volcano
Bogoslov Island Volcano is an active volcanic island located in the Kuril Islands chain of the northwest Pacific Ocean.
-
E.
Karpinsky Group Volcano
Karpinsky Group Volcano is a complex volcanic massif located in the central Kuril Islands, known for its overlapping stratovolcanoes and calderas.
- 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: Nisyros volcano Target entity description: Nisyros volcano is an active stratovolcano in the southeastern Aegean Sea, forming part of Greece’s volcanic arc and known for its caldera, hydrothermal activity, and historical eruptions.
-
A.
Alaid Volcano
Alaid Volcano is a prominent, frequently active stratovolcano forming the northernmost and highest peak of Russia’s Kuril Islands.
-
B.
Stromboli
Stromboli is an active volcanic island in the Tyrrhenian Sea, famous for its frequent mild eruptions that have earned it the nickname "Lighthouse of the Mediterranean."
-
C.
Stromboli
Stromboli is the greedy, villainous puppeteer who exploits Pinocchio for profit in Disney’s animated film adaptation of the classic tale.
-
D.
Bogoslov Island Volcano
Bogoslov Island Volcano is an active volcanic island located in the Kuril Islands chain of the northwest Pacific Ocean.
-
E.
Karpinsky Group Volcano
Karpinsky Group Volcano is a complex volcanic massif located in the central Kuril Islands, known for its overlapping stratovolcanoes and calderas.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
active volcano
ⓘ
stratovolcano ⓘ |
| country | Greece ⓘ |
| eruptionStyle |
explosive
ⓘ
phreatic ⓘ phreatomagmatic ⓘ |
| hasCalderaDiameter | approximately 3–4 km ⓘ |
| hasCrater |
Lofos crater
ⓘ
Polyvotis crater ⓘ
surface form:
Megalos Polyvotis crater
Polyvotis crater ⓘ
surface form:
Mikros Polyvotis crater
Polyvotis crater ⓘ Ramina crater ⓘ Stefanos crater ⓘ |
| hasFeature |
caldera
ⓘ
central caldera floor ⓘ fumaroles ⓘ hydrothermal craters ⓘ hydrothermal system ⓘ lava domes ⓘ phreatic craters ⓘ solfataras ⓘ |
| hasGeothermalPotential | true ⓘ |
| hasHistoricalEruptions | true ⓘ |
| hasMonitoring |
geochemical monitoring
ⓘ
geodetic monitoring ⓘ seismic monitoring network ⓘ |
| hazardType |
ash emissions
ⓘ
gas emissions ⓘ ground deformation ⓘ phreatic explosions ⓘ |
| highestPoint | Profitis Ilias ⓘ |
| isTouristAttraction | true ⓘ |
| knownFor |
active fumarolic fields
ⓘ
caldera-floor craters ⓘ hydrothermal activity ⓘ intense degassing ⓘ |
| lastEruptionType | phreatic eruption ⓘ |
| locatedIn |
Dodecanese
ⓘ
Nisyros ⓘ
surface form:
Nisyros island
South Aegean ⓘ
surface form:
South Aegean region
southeastern Aegean Sea ⓘ |
| monitoredBy |
Greek Institute of Geodynamics
ⓘ
Greek Institute of Geology and Mineral Exploration ⓘ |
| partOf |
Hellenic volcanic arc
ⓘ
Hellenic volcanic arc ⓘ
surface form:
South Aegean volcanic arc
|
| rockType |
andesite
ⓘ
basaltic andesite ⓘ dacite ⓘ |
| subductionOf | African Plate beneath Eurasian Plate ⓘ |
| summitElevation |
approximately 698 m
ⓘ
approximately 700 m ⓘ |
| tectonicSetting | subduction-related volcanic arc ⓘ |
| volcanoType | stratovolcano with caldera ⓘ |
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: Nisyros volcano Description of subject: Nisyros volcano is an active stratovolcano in the southeastern Aegean Sea, forming part of Greece’s volcanic arc and known for its caldera, hydrothermal activity, and historical eruptions.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Stefanos crater
subject surface form:
Mount Profitis Ilias (Nisyros)
this entity surface form:
Nisyros volcanic complex
subject surface form:
Mount Profitis Ilias (Nisyros)
this entity surface form:
Nisyros caldera rim
subject surface form:
Mount Profitis Ilias (Nisyros)