Makran subduction zone
E593654
The Makran subduction zone is a major convergent plate boundary in the northwestern Indian Ocean where the Arabian Plate is being subducted beneath the Eurasian Plate, capable of generating large earthquakes and tsunamis.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Makran subduction zone canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6451072 — 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: Makran subduction zone Context triple: [Makran coast, hasGeologicalFeature, Makran subduction zone]
-
A.
Mariana subduction zone
The Mariana subduction zone is a deep oceanic trench system in the western Pacific where the Pacific Plate is forced beneath the smaller Mariana Plate, creating one of the world's deepest and most active tectonic boundaries.
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B.
Sumatra subduction zone
The Sumatra subduction zone is a major convergent plate boundary off the western coast of Sumatra where intense seismic and volcanic activity occurs, including some of the world’s largest recorded earthquakes and tsunamis.
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C.
Ryukyu subduction zone
The Ryukyu subduction zone is a tectonic plate boundary south of Japan where an oceanic plate descends beneath the Okinawa Plate, generating frequent earthquakes, volcanism, and the Ryukyu island arc.
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D.
Makran coast
The Makran coast is a long, arid coastal region along the northern Arabian Sea spanning southeastern Iran and southwestern Pakistan, known for its tectonic activity, rugged terrain, and strategic maritime location.
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E.
Nankai megathrust
The Nankai megathrust is a major subduction-zone fault off southwestern Japan that has produced numerous powerful earthquakes and tsunamis and poses a significant seismic hazard to the region.
- 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: Makran subduction zone Target entity description: The Makran subduction zone is a major convergent plate boundary in the northwestern Indian Ocean where the Arabian Plate is being subducted beneath the Eurasian Plate, capable of generating large earthquakes and tsunamis.
-
A.
Mariana subduction zone
The Mariana subduction zone is a deep oceanic trench system in the western Pacific where the Pacific Plate is forced beneath the smaller Mariana Plate, creating one of the world's deepest and most active tectonic boundaries.
-
B.
Sumatra subduction zone
The Sumatra subduction zone is a major convergent plate boundary off the western coast of Sumatra where intense seismic and volcanic activity occurs, including some of the world’s largest recorded earthquakes and tsunamis.
-
C.
Ryukyu subduction zone
The Ryukyu subduction zone is a tectonic plate boundary south of Japan where an oceanic plate descends beneath the Okinawa Plate, generating frequent earthquakes, volcanism, and the Ryukyu island arc.
-
D.
Makran coast
The Makran coast is a long, arid coastal region along the northern Arabian Sea spanning southeastern Iran and southwestern Pakistan, known for its tectonic activity, rugged terrain, and strategic maritime location.
-
E.
Nankai megathrust
The Nankai megathrust is a major subduction-zone fault off southwestern Japan that has produced numerous powerful earthquakes and tsunamis and poses a significant seismic hazard to the region.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
subduction zone
ⓘ
tectonic plate boundary ⓘ |
| affectsCountry |
India
NERFINISHED
ⓘ
Iran NERFINISHED ⓘ Oman NERFINISHED ⓘ Pakistan NERFINISHED ⓘ |
| associatedWith |
Makran accretionary wedge
NERFINISHED
ⓘ
sediment-rich subduction ⓘ tsunami deposits along Makran coast ⓘ |
| boundedBy |
Murray Ridge
NERFINISHED
ⓘ
Ornach-Nal Fault NERFINISHED ⓘ Owen Fracture Zone NERFINISHED ⓘ |
| geologicalFeature |
broad accretionary prism
ⓘ
thick sedimentary cover ⓘ |
| historicalEarthquake | 1945 Balochistan earthquake NERFINISHED ⓘ |
| historicalEarthquakeMagnitude | approximately 8.1 Mw (1945 Balochistan earthquake) ⓘ |
| historicalEarthquakeYear | 1945 ⓘ |
| historicalTsunami | 1945 Makran tsunami ⓘ |
| length | approximately 900 km ⓘ |
| locatedIn |
Makran region
NERFINISHED
ⓘ
northern Arabian Sea ⓘ northwestern Indian Ocean ⓘ |
| locatedOffCoastOf |
Iran
NERFINISHED
ⓘ
Pakistan NERFINISHED ⓘ |
| marginType | active continental margin ⓘ |
| nearbyCity |
Chabahar
NERFINISHED
ⓘ
Gwadar NERFINISHED ⓘ Karachi NERFINISHED ⓘ |
| ocean | Indian Ocean NERFINISHED ⓘ |
| orientation | east–west ⓘ |
| overliesPlate |
Eurasian Plate
NERFINISHED
ⓘ
Makran accretionary prism NERFINISHED ⓘ |
| parallelTo | coast of Makran ⓘ |
| partOf |
Alpide belt
NERFINISHED
ⓘ
Alpine–Himalayan orogenic system NERFINISHED ⓘ |
| plateInteraction | Arabian Plate–Eurasian Plate convergence ⓘ |
| relatedTo | Himalayan orogeny NERFINISHED ⓘ |
| researchTopic |
megathrust earthquake potential
ⓘ
tsunami hazard assessment ⓘ |
| riskTo |
coastal infrastructure in Iran
ⓘ
coastal infrastructure in Pakistan ⓘ shipping in the Arabian Sea ⓘ |
| seismicHazard | large megathrust earthquakes ⓘ |
| subductionRate | about 2–4 cm/year ⓘ |
| subductsPlate | Arabian Plate NERFINISHED ⓘ |
| tectonicSetting |
convergent margin
ⓘ
oceanic-continental subduction ⓘ |
| tsunamiHazard | capable of generating large tsunamis ⓘ |
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: Makran subduction zone Description of subject: The Makran subduction zone is a major convergent plate boundary in the northwestern Indian Ocean where the Arabian Plate is being subducted beneath the Eurasian Plate, capable of generating large earthquakes and tsunamis.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.