Tonga Trench

E6944

The Tonga Trench is one of the deepest oceanic trenches on Earth, located in the southwestern Pacific and formed by the subduction of the Pacific Plate beneath the Indo-Australian Plate.


Statements (46)
Predicate Object
instanceOf deepest point of Tonga Trench
oceanic trench
subduction zone feature
associatedWith Tonga Ridge
Tonga slab
Tonga volcanic arc
Tonga-Kermadec subduction system
associatedWithPlate Australian Plate
Indo-Australian Plate
Pacific Plate
countryExclusiveEconomicZone New Zealand
Tonga
deeperThan Kermadec Trench
formedBy subduction of the Pacific Plate beneath the Indo-Australian Plate
geologicalAge Cenozoic
hasBiodiversity specialized deep-sea fauna
hasDeepestPoint Horizon Deep
hasEarthquakes deep-focus earthquakes
frequent large earthquakes
hasMorphology narrow and steep-sided
hasSeismicActivity very high
knownFor extreme plate convergence rates
length over 1,300 kilometres
over 800 miles
locatedIn South Pacific Ocean
southwestern Pacific Ocean
locatedNear Kermadec Trench
locatedOffCoastOf Tonga
maximumDepth about 10,800 metres
about 10,800 metres
about 35,400 feet
nearbyIslandArc Kermadec Islands
Tonga Islands
oceanBasin Southwest Pacific Basin
oneOf deepest oceanic trenches on Earth
orientation north-northeast to south-southwest
partOf Pacific Ocean
Pacific Ring of Fire
plateConvergenceRate among the fastest on Earth
relativeLocation east of Tonga Islands
northeast of New Zealand
researchInterest deep-sea biology
plate tectonics
seismology
tectonicSetting convergent plate boundary
waterPressureAtBottom over 1,000 atmospheres


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