Tonga–Kermadec Arc

E44765
geologic formation oceanic trench system subduction zone volcanic arc

The Tonga–Kermadec Arc is a major submarine volcanic island arc and trench system in the southwest Pacific Ocean, formed by the subduction of the Pacific Plate beneath the Indo-Australian Plate and known for its intense seismic and volcanic activity.

Jump to: Surface forms Statements Referenced by

Observed surface forms (7)

Surface form Occurrences
Kermadec Ridge 4
Kermadec volcanic arc 2
Kermadec Arc 1

Statements (50)

Predicate Object
instanceOf geologic formation ⓘ
oceanic trench system ⓘ
subduction zone ⓘ
volcanic arc ⓘ
characterizedBy active submarine volcanism ⓘ
deep-focus earthquakes ⓘ
frequent large earthquakes ⓘ
intense seismic activity ⓘ
intense volcanic activity ⓘ
contains hydrothermal vent fields ⓘ
seamounts ⓘ
submarine volcanoes ⓘ
volcanic islands ⓘ
country New Zealand ⓘ
Tonga ⓘ
formedBy subduction of the Pacific Plate beneath the Indo-Australian Plate ⓘ
geologicalAge Cenozoic ⓘ
hasFeature Havre Trough ⓘ
Lau Basin ⓘ
back-arc basin ⓘ
steep subduction angle ⓘ
very deep trench ⓘ
hasPart Kermadec Islands ⓘ
Tonga–Kermadec Arc self-linksurface differs ⓘ
surface form: Kermadec Ridge

Kermadec Trench ⓘ
Tonga ⓘ
surface form: Tonga Islands

Tonga Ridge ⓘ
Tonga Trench ⓘ
hazardType large earthquakes ⓘ
tsunamis ⓘ
volcanic eruptions ⓘ
length over 1500 miles ⓘ
over 2500 km ⓘ
locatedIn southwest Pacific Ocean ⓘ
maximumDepth over 10000 m ⓘ
over 32000 ft ⓘ
ocean Pacific Ocean ⓘ
orientation north–northeast to south–southwest ⓘ
overridingPlate Indo-Australian Plate ⓘ
surface form: Australian Plate

Indo-Australian Plate ⓘ
partOf Pacific Ring of Fire ⓘ
plateSubducted Pacific Plate ⓘ
relativeTo one of the deepest oceanic trenches on Earth ⓘ
researchInterest arc volcanism ⓘ
earthquake generation ⓘ
plate tectonics ⓘ
subduction processes ⓘ
tectonicSetting convergent plate boundary ⓘ
volcanicActivityType island arc volcanism ⓘ
submarine volcanism ⓘ

Referenced by (12)

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

Kermadec Trench → associatedWith → Tonga–Kermadec Arc ⓘ
this entity surface form: Kermadec Arc
Kermadec Trench → associatedWith → Tonga–Kermadec Arc ⓘ
this entity surface form: Kermadec volcanic arc
Tonga Trench → associatedWith → Tonga–Kermadec Arc ⓘ
this entity surface form: Tonga Ridge
Tonga Trench → associatedWith → Tonga–Kermadec Arc ⓘ
this entity surface form: Tonga volcanic arc
Tonga-Kermadec subduction system → associatedWith → Tonga–Kermadec Arc ⓘ
this entity surface form: Kermadec Ridge
Tonga-Kermadec subduction system → associatedWith → Tonga–Kermadec Arc ⓘ
this entity surface form: Tonga-Kermadec volcanic arc
Ring of Fire → contains → Tonga–Kermadec Arc ⓘ
southwest Pacific Ocean → contains → Tonga–Kermadec Arc ⓘ
this entity surface form: Kermadec Ridge
New Zealand volcanic zones → hasPart → Tonga–Kermadec Arc ⓘ
this entity surface form: Kermadec volcanic arc
Tonga–Kermadec Arc → hasPart → Tonga–Kermadec Arc self-linksurface differs ⓘ
this entity surface form: Kermadec Ridge
Kermadec Trench → parallelTo → Tonga–Kermadec Arc ⓘ
this entity surface form: Kermadec Ridge
Kermadec Islands → volcanicArc → Tonga–Kermadec Arc ⓘ
this entity surface form: Kermadec-Tonga volcanic arc