Chile Triple Junction
E299658
The Chile Triple Junction is a tectonic plate boundary off the southern coast of Chile where the Nazca, South American, and Antarctic plates meet, creating a complex and geologically active region.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Chile Triple Junction canonical | 3 |
| Chile Triple Junction region | 1 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
tectonic feature
ⓘ
triple junction ⓘ |
| affects |
Andean orogeny in southern Chile
ⓘ
Patagonian margin evolution ⓘ |
| approximateLatitude | 46°S–47°S ⓘ |
| approximateLongitude | 75°W ⓘ |
| associatedWith |
Chile Rise
ⓘ
Southern Andes ⓘ
surface form:
Patagonian Andes
Atacama Trench ⓘ
surface form:
Peru–Chile Trench
backarc tectonics ⓘ crustal deformation ⓘ earthquakes ⓘ forearc tectonics ⓘ seismic activity ⓘ volcanism ⓘ |
| boundaryType | ridge–trench–trench triple junction ⓘ |
| continent | South America ⓘ |
| country | Chile ⓘ |
| crustType | oceanic crust ⓘ |
| discoveredBy | marine geophysical surveys ⓘ |
| geologicalActivity | high ⓘ |
| geologicalSignificance |
controls tectonics of southern Chile margin
ⓘ
interaction of mid-ocean ridge with subduction zone ⓘ |
| hazardRelevance |
strong subduction earthquakes
ⓘ
tsunami generation potential ⓘ |
| involvesPlate |
Antarctic Plate
ⓘ
Nazca Plate ⓘ South American Plate ⓘ |
| locatedIn |
Southeastern Pacific Ocean
ⓘ
surface form:
southeastern Pacific Ocean
|
| locatedOffCoastOf | southern Chile ⓘ |
| marginType | active continental margin ⓘ |
| nearbyCity | Taitao Peninsula ⓘ |
| nearbyFeature |
Aysén Region
ⓘ
Guafo Island ⓘ Taitao Peninsula ⓘ |
| ocean | Pacific Ocean ⓘ |
| plateMotion |
Antarctic Plate subducts beneath South American Plate
ⓘ
Nazca Plate diverges from Antarctic Plate along Chile Rise ⓘ Nazca Plate subducts beneath South American Plate ⓘ |
| researchField |
marine geology
ⓘ
plate tectonics ⓘ seismology ⓘ |
| ridgeComponent | Chile Rise ⓘ |
| tectonicSetting |
convergent margin
ⓘ
subduction zone ⓘ |
| timeScale | Cenozoic activity ⓘ |
| trenchComponent |
Atacama Trench
ⓘ
surface form:
Peru–Chile Trench
|
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Chile Triple Junction region