Peru Chile Trench Plate Boundary
The peru chile trench off the west coast of south america is formed by the oceanic crust of the nazca plate subducting beneath the continental crust of the south american plate.
Peru chile trench plate boundary. The peruchile trench also known as the atacama trench is an oceanic trench in the eastern pacific ocean about 160 kilometres off the coast of peru and chile. 8min 45s novice spanish. The peruchile trench also known as the atacama trench is an oceanic trench in the eastern pacific ocean off the coast of peru and chile.
The ongoing subduction along the peruchile trench of the nazca plate under the south american plate is largely responsible for the andean orogeny. 58 the peru chile trench is an example of plate boundary. Chile is located on a tectonic plate boundary and a subduction zone called the peru chile trench.
It is found in the eastern margin of pacific plate. It reaches a maximum depth of 26460 feet 8065 m below sea level in richards deep and is approximately 3666 miles 5900 km long. Its mean width is 64 km and it covers an expanse of some 590000 km2.
It marks the boundary between subducting nazca plate and overriding south america plate. The nazca plate or nasca plate named after the nazca region of southern peru is an oceanic tectonic plate in the eastern pacific ocean basin off the west coast of south america. The trench delineates the boundary between the subducting nazca plate and the overriding south american plate.
Some of the most familiar ocean trenches are the result of this type of convergent plate boundary. It reaches a maximum depth of 8065 m below sea level in richards deep and is approximately 5900 km long. Tsunami generating megathrust earthquakes on the nazca south america plate boundary.
58 a a continental continental convergent b a continental continental divergent c an oceanic continental convergent d an oceanic oceanic convergent e an oceanic oceanic divergent. A subduction zone is where the ocean crust slides under the continental margin which causes compressional deformation mountain building earthquakes and volcanoes. The megathrust boundary between the plates results in both the 4000 km long aleutian trench and in the arc of active volcanoes that lie subparallel to the.
Its mean width is 40 miles 64 km and it covers an expanse of some 228000 square miles 590000 square km. Earthquakes tectonics. Peru chile trench also called atacama trench submarine trench in the eastern pacific ocean about 100 miles 160 km off the coast of peru and chile.
It delineates the boundary between the subducting nazca plate and the overriding south american plate. The nazca plate is bounded on the west by the pacific plate and to the south by the antarctic plate through the east pacific rise and the chile rise respectively.