Aleutian Trench

E39306

The Aleutian Trench is a deep oceanic trench in the North Pacific where the Pacific Plate subducts beneath the North American Plate, forming part of a major seismically active subduction zone.

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Observed surface forms (4)


Statements (47)

Predicate Object
instanceOf oceanic trench
subduction zone
adjacentTo Aleutian Islands
associatedWith Aleutian Arc
Aleutian Arc
surface form: Aleutian Islands volcanoes

Aleutian Arc
surface form: Aleutian volcanic arc

deep-focus earthquakes
megathrust earthquakes
tsunami generation
bathymetry steep-sided
countryBorder United States of America
surface form: United States
crustTypeSubducting oceanic crust
discoveredBy 20th century oceanographic surveys
extendsFrom Gulf of Alaska
extendsTo Kamchatka Peninsula
surface form: Kamchatka Peninsula region
featureOf Pacific Plate
surface form: Pacific Plate margin
formsBoundaryBetween North American Plate
Pacific Plate
formsPartOf Aleutian Trench self-linksurface differs
surface form: Aleutian subduction zone

Kuril–Kamchatka subduction system
surface form: North Pacific subduction system
geologicalAge Cenozoic
geologicalProcess oceanic plate subduction
hazardType earthquake hazard
tsunami hazard
length about 3400 km
locatedIn Northern Pacific Ocean
surface form: North Pacific Ocean
marginType active continental margin
maximumDepth about 25,000 ft
about 7700 m
near Alaska
Bering Sea
ocean Pacific Ocean
orientation southwest–northeast
overridingPlate North American Plate
partOf Pacific Ring of Fire
plateMotion Pacific Plate moving northwestward beneath North American Plate
relatedTo Japan Trench
Kuril Trench
surface form: Kuril–Kamchatka Trench
sedimentType marine sediments
seismicity high
studiedIn marine geology
plate tectonics
seismology
subductingPlate Pacific Plate
subductionAngle relatively steep
tectonicSetting convergent plate boundary
volcanism arc volcanism

Referenced by (7)

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

Aleutian Arc arcTrenchSystem Aleutian Trench
Aleutian Basin associatedWith Aleutian Trench
Ring of Fire contains Aleutian Trench
this entity surface form: Aleutian Trench region
Aleutian Trench formsPartOf Aleutian Trench self-linksurface differs
this entity surface form: Aleutian subduction zone
Northern Pacific Ocean hasFeature Aleutian Trench
Aleutian Basin hasNearbyFeature Aleutian Trench
this entity surface form: Aleutian Ridge
this entity surface form: Alaska-Aleutian subduction zone