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Q: How do tectonic plates create deep trenches?
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How deep trenches are formed?

Deep-ocean trenches are formed where seafloor tectonic plates subduct under continental plates.


Deep ocean trenches are evidence for?

Deep ocean trenches are typically the evidence of the collision of tectonic plates. This collision is often known as subduction.


What make trenches in the ocean?

Deep ocean trenches can be formed by undersea earthquakes, land-slides, but also by the movement along the edges of tectonic plates.


When two oceanic plates collide it creates?

when two oceanic plates collide they create a deep-ocean trench, at deep-ocean trenches subduction occurs.


Is it possible for the eurasion north American and the south American plates to create a deep sea trench?

No, the continental plates do not form deep sea trenches. They are a product of the movement of the oceanic plates.


What is formed by tectanic activity?

Tectonic activity, such as that created by the movement of tectonic plates, can create mountains and deep sea rifts, as well as earthquakes.


How do ocean trenches form?

no that's wrong. they are formed when one lithospheric plate meets another and the denser plate subducts into the asthenosphere. the crust melts in the subduction zone and rises to form active volcanoes. The Andes in Peru and Chile formed this way


Where are deep oceanic trenches found?

Trenches occur at convergent boundaries when one tectonic plate which is more dense, is pushed beneath another tectonic plate that is less dense. This process is called subduction. Usually where divergent boundaries in the earth's crust are. When faults move apart, they create trenches.<-- no divergent boundaries in the ocean create mountain ridges not trenches http://upload.wikimedia.org/wikipedia/en/a/a4/SubZone.jpg


What creates deep sea trenches?

subduction, which is when one tectonic plate is pushed down beneath another tectonic plate.


What process is evident at oceanic trenches?

subduction, which is when one tectonic plate is pushed down beneath another tectonic plate.


Do deep sea trenches cause damage?

Deep sea trenches are caused by one tectonic plate subducting under another. It is not the trenches which cause damage, it is the earthquakes caused by the subducting of one plate moving against the other.


What are deep ocean trenches caused by?

Plate tectonics, the moving and repositioning of earths plates.