Peru–Chile Trench region
E9668
The Peru–Chile Trench region is a highly active subduction-zone area off the west coast of South America, known for its deep ocean trench, frequent earthquakes, and major role in Andean mountain building.
Aliases (6)
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
oceanic trench system
→
subduction zone → tectonic plate boundary region → |
| associatedWith |
Andean orogeny
→
Benioff seismic zone beneath South America → Peru–Chile megathrust fault → historic great earthquakes → seismic hazard in Chile → seismic hazard in Peru → |
| characterizedBy |
active volcanism in the Andes
→
deep ocean trench → frequent earthquakes → megathrust earthquakes → tsunami generation → |
| drives |
crustal shortening in the Andes
→
magmatism beneath the Andean arc → |
| extendsAlong |
offshore Peru
→
offshore central Chile → offshore northern Chile → western margin of South America → |
| geologicalAge |
Cenozoic activity
→
|
| geologicalProcess |
oceanic–continental subduction
→
|
| hazardType |
earthquake zone
→
tsunami source region → |
| influences |
Andean volcanic arc
→
tectonic uplift of western South America → topography of the Andes → |
| knownFor |
high seismicity
→
large subduction earthquakes → major tsunamis → |
| locatedIn |
eastern Pacific Ocean
→
|
| locatedOffCoastOf |
Chile
→
Peru → South America → |
| maximumDepth |
over 26000 ft
→
over 8000 m → |
| oceanBasin |
Southeast Pacific Ocean
→
|
| overridingPlate |
South American Plate
→
|
| partOf |
Nazca–South America plate boundary
→
Pacific Ring of Fire → |
| plateConvergenceType |
oceanic plate subducting beneath continental plate
→
|
| relatedTo |
Andes Mountains
→
Peru–Chile Trench → |
| researchField |
marine geology
→
plate tectonics → seismology → |
| roleIn |
Andean mountain building
→
|
| subductingPlate |
Nazca Plate
→
|
| tectonicSetting |
convergent plate boundary
→
|
Referenced by (9)
| Subject (surface form when different) | Predicate |
|---|---|
|
Andean subduction system
("Peru–Chile megathrust")
→
Peru–Chile Trench region ("Peru–Chile megathrust fault") → |
associatedWith |
|
Pacific Ring of Fire
→
Ring of Fire → |
contains |
|
Atacama Trench
("Peru–Chile coastal margin")
→
|
adjacentTo |
|
Nazca Plate
("Peru–Chile Trench")
→
|
associatedWithTrench |
|
Atacama Trench
("Nazca-South America plate margin")
→
|
featureOf |
|
Peru–Chile Trench region
("Nazca–South America plate boundary")
→
|
partOf |
|
Nazca Plate
("Peru–Chile Trench")
→
|
subductionZoneName |