Indo-Australian Plate

E7763

lithospheric plate major tectonic plate tectonic plate

The Indo-Australian Plate is a major tectonic plate comprising the Indian and Australian regions that drives significant geological activity, including earthquakes and mountain building, across the Indian Ocean and surrounding areas.

Observed surface forms (3)

Surface form	Occurrences
Australian Plate	10
Indian Plate	8
Indo-Australian Plate margin	1

Statements (58)

Predicate	Object
instanceOf	lithospheric plate ⓘ major tectonic plate ⓘ tectonic plate ⓘ
ageRange	Mesozoic to Cenozoic oceanic crust ⓘ
associatedWith	Alpine-Himalayan seismic belt ⓘ Himalayan orogeny ⓘ Indian Ocean seismicity ⓘ Java Trench ⓘ Sumatra subduction zone ⓘ
causedEvent	2004 Indian Ocean earthquake and tsunami ⓘ 2012 Indian Ocean intraplate earthquakes ⓘ
collidesWith	Eurasian Plate in the Himalaya region ⓘ
crustType	continental crust ⓘ oceanic crust ⓘ
drivesProcess	earthquakes ⓘ mountain building ⓘ seafloor spreading ⓘ subduction ⓘ volcanism ⓘ
extendsUnder	Arabian Sea ⓘ Bay of Bengal ⓘ Indian Ocean ⓘ parts of the Southern Ocean ⓘ
hasBoundaryType	convergent boundary ⓘ divergent boundary ⓘ transform boundary ⓘ
hasBoundaryWith	African Plate ⓘ Antarctic Plate ⓘ Caroline Plate ⓘ Eurasian Plate ⓘ Nazca Plate ⓘ Pacific Plate ⓘ Philippine Sea Plate ⓘ Scotia Plate ⓘ
hasInternalDeformation	yes ⓘ
includesRegion	Australia ⓘ South Asia ⓘ surface form: Indian subcontinent New Guinea ⓘ surface form: New Guinea region parts of Southeast Asia ⓘ parts of the Indian Ocean floor ⓘ
locatedIn	Eastern Hemisphere ⓘ Southern Hemisphere ⓘ
mayBeSplittingInto	Indo-Australian Plate self-linksurface differs ⓘ surface form: Australian Plate Indo-Australian Plate self-linksurface differs ⓘ surface form: Indian Plate
motionDirection	northeastward ⓘ northward ⓘ
motionSpeed	about 5 to 7 centimeters per year ⓘ
movesRelativeTo	Antarctic Plate ⓘ Eurasian Plate ⓘ Pacific Plate ⓘ
overrides	Indian Ocean mantle ⓘ
partOf	Earth lithosphere ⓘ
subductsBeneath	Eurasian Plate along the Sunda Trench ⓘ Pacific Plate in some regions ⓘ
supportsLandmass	Australia ⓘ surface form: Australian continent Indian Peninsula ⓘ parts of Southeast Asian islands ⓘ
thoughtToBe	composite of Indian Plate and Australian Plate ⓘ

Referenced by (42)

Full triples — surface form annotated when it differs from this entity's canonical label.

Himalayan orogeny → affects → Indo-Australian Plate ⓘ

this entity surface form: Indian Plate

Pacific Ring of Fire → associatedWith → Indo-Australian Plate ⓘ

Ring of Fire → associatedWith → Indo-Australian Plate ⓘ

New Zealand volcanic zones → associatedWithPlate → Indo-Australian Plate ⓘ

this entity surface form: Australian Plate

Tonga Trench → associatedWithPlate → Indo-Australian Plate ⓘ

this entity surface form: Australian Plate

Antarctic Plate → borders → Indo-Australian Plate ⓘ

African Plate → boundedBy → Indo-Australian Plate ⓘ

this entity surface form: Indian Plate

Pacific Plate → boundedBy → Indo-Australian Plate ⓘ

Mount Tambora → formedBySubductionOf → Indo-Australian Plate ⓘ

this entity surface form: Australian Plate

Arakan Mountains → geologicalProvince → Indo-Australian Plate ⓘ

this entity surface form: Indo-Australian Plate margin

Eurasian Plate → hasBoundaryWith → Indo-Australian Plate ⓘ

this entity surface form: Indian Plate

Tonga-Kermadec subduction system → hasOverridingPlate → Indo-Australian Plate ⓘ

Pacific Ocean → hasTectonicBoundary → Indo-Australian Plate ⓘ

Caroline Plate → interactsWith → Indo-Australian Plate ⓘ

this entity surface form: Australian Plate

Eurasian Plate → interactsWith → Indo-Australian Plate ⓘ

this entity surface form: Indian Plate

New Guinea → locatedOnTectonicPlate → Indo-Australian Plate ⓘ

this entity surface form: Australian Plate

Indo-Australian Plate → mayBeSplittingInto → Indo-Australian Plate self-linksurface differs ⓘ

this entity surface form: Indian Plate

Indo-Australian Plate → mayBeSplittingInto → Indo-Australian Plate self-linksurface differs ⓘ

this entity surface form: Australian Plate

Eurasian Plate → movesRelativeTo → Indo-Australian Plate ⓘ

this entity surface form: Indian Plate

Pacific Plate → movesRelativeTo → Indo-Australian Plate ⓘ

Kermadec Islands → onTectonicPlateBoundary → Indo-Australian Plate ⓘ

Tonga–Kermadec Arc → overridingPlate → Indo-Australian Plate ⓘ

this entity surface form: Australian Plate

Java Trench → plateBoundaryBetween → Indo-Australian Plate ⓘ

Kermadec Trench → plateBoundaryBetween → Indo-Australian Plate ⓘ

2004 Indian Ocean earthquake and tsunami → plateInvolved → Indo-Australian Plate ⓘ

this entity surface form: Indian Plate

Sunda Trench → plateSubducting → Indo-Australian Plate ⓘ

breakup of Gondwana → resultsIn → Indo-Australian Plate ⓘ

this entity surface form: Australian Plate

Antarctic Plate → separatedFrom → Indo-Australian Plate ⓘ

this entity surface form: Australian Plate

Central Indian Ridge → separates → Indo-Australian Plate ⓘ

Indian Ocean Ridge system → separates → Indo-Australian Plate ⓘ

Southeast Indian Ridge → separates → Indo-Australian Plate ⓘ

this entity surface form: Australian Plate

Southwest Indian Ridge → separates → Indo-Australian Plate ⓘ

Java Trench → subductingPlate → Indo-Australian Plate ⓘ

Krakatoa → subductingPlate → Indo-Australian Plate ⓘ

Sumatra subduction zone → subducts → Indo-Australian Plate ⓘ

this entity surface form: Indian Plate

Horizon Deep → tectonicPlate → Indo-Australian Plate ⓘ

Tasman Basin → tectonicPlate → Indo-Australian Plate ⓘ

Tonga-Kermadec subduction system → underlies → Indo-Australian Plate ⓘ