Sunda subduction system

E207247

convergent plate boundary subduction zone tectonic plate boundary system

The Sunda subduction system is a major convergent plate boundary in Southeast Asia where the Indo-Australian Plate is being subducted beneath the Eurasian/Sunda Plate, generating intense seismic and volcanic activity along Indonesia’s island arcs.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (5)

Label	Occurrences
Sunda megathrust	6
Indo-Australian Plate subduction system	1
Sunda subduction system canonical	1
Sunda-Banda Arc system	1
subducting Australian Plate	1

How this entity was disambiguated

This entity first appeared as the object of triple T1840692 — 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: Sunda subduction system
Context triple: [Java Trench, tectonicProvince, Sunda subduction system]

A. 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.
B. Tonga-Kermadec subduction system
The Tonga-Kermadec subduction system is a major convergent plate boundary in the southwest Pacific where the Pacific Plate descends beneath the Indo-Australian Plate, producing one of the world’s deepest ocean trenches and most active seismic and volcanic regions.
C. Kuril–Kamchatka subduction system
The Kuril–Kamchatka subduction system is a major convergent plate boundary in the northwest Pacific where the Pacific Plate subducts beneath the Okhotsk Plate, generating intense seismic activity and extensive volcanism along the Kuril Islands and Kamchatka Peninsula.
D. 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.
E. Hellenic subduction system
The Hellenic subduction system is a major convergent plate boundary in the eastern Mediterranean where the African Plate is being subducted beneath the Aegean microplate, creating deep-sea trenches, intense seismicity, and active volcanism.
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: Sunda subduction system
Target entity description: The Sunda subduction system is a major convergent plate boundary in Southeast Asia where the Indo-Australian Plate is being subducted beneath the Eurasian/Sunda Plate, generating intense seismic and volcanic activity along Indonesia’s island arcs.

A. 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.
B. Tonga-Kermadec subduction system
The Tonga-Kermadec subduction system is a major convergent plate boundary in the southwest Pacific where the Pacific Plate descends beneath the Indo-Australian Plate, producing one of the world’s deepest ocean trenches and most active seismic and volcanic regions.
C. Kuril–Kamchatka subduction system
The Kuril–Kamchatka subduction system is a major convergent plate boundary in the northwest Pacific where the Pacific Plate subducts beneath the Okhotsk Plate, generating intense seismic activity and extensive volcanism along the Kuril Islands and Kamchatka Peninsula.
D. 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.
E. Hellenic subduction system
The Hellenic subduction system is a major convergent plate boundary in the eastern Mediterranean where the African Plate is being subducted beneath the Aegean microplate, creating deep-sea trenches, intense seismicity, and active volcanism.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	convergent plate boundary ⓘ subduction zone ⓘ tectonic plate boundary system ⓘ
associatedWith	Andaman Sea ⓘ surface form: Andaman Sea region Indonesian island arcs ⓘ Indonesian volcanic arc ⓘ Java ⓘ Java Trench ⓘ Lesser Sunda Islands ⓘ Sumatra ⓘ Sunda Trench ⓘ surface form: Sumatra Trench Sunda Arc ⓘ
causes	crustal deformation in Java ⓘ crustal deformation in Sumatra ⓘ uplift of forearc islands ⓘ
drivenBy	slab pull ⓘ
extendsAlong	Lesser Sunda Islands ⓘ surface form: Lesser Sunda Islands arc south of Java ⓘ western margin of Sumatra ⓘ
forms	Indonesian island arcs ⓘ
generates	intense seismic activity ⓘ megathrust earthquakes ⓘ tsunamigenic earthquakes ⓘ volcanic activity ⓘ
geologicalAge	Cenozoic ⓘ
hasFeature	Sunda Trench ⓘ accretionary prism ⓘ forearc basin ⓘ
hazardType	earthquake hazard ⓘ tsunami hazard ⓘ volcanic hazard ⓘ
influences	regional seismic risk in Indonesia ⓘ volcanic distribution in Indonesia ⓘ
locatedIn	Indonesia ⓘ Southeast Asia ⓘ
marginType	active continental margin ⓘ
overridingPlate	Eurasian Plate ⓘ Sunda Plate ⓘ
partOf	Pacific Ring of Fire ⓘ
plateMotionType	convergence ⓘ
relatedTo	2004 Indian Ocean earthquake and tsunami ⓘ surface form: 2004 Indian Ocean earthquake 2005 Nias–Simeulue earthquake ⓘ 2010 Mentawai earthquake and tsunami ⓘ surface form: 2010 Mentawai earthquake
studiedIn	geodynamics ⓘ plate tectonics ⓘ seismology ⓘ volcanology ⓘ
subducts	Indo-Australian Plate ⓘ
tectonicSetting	oceanic-continental subduction ⓘ

How these facts were elicited