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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.

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Long narrow areas of deep water close to plate boundaries are called?

Trenches, or deep sea trenches.


Are maps made from sonar and magnetometer data led to the discovery of ocean ridges and deep-sea trenches?

Yes, sonar and magnetometer data have been instrumental in the discovery of ocean ridges and deep-sea trenches. Sonar data is used to map the sea floor topography, revealing ocean ridges, while magnetometer data helps identify variations in the Earth's magnetic field caused by stripes of rock on the ocean floor, contributing to understanding plate tectonics and the formation of deep-sea trenches.


What type of boundary creates deep sea trenches?

A convergent boundary, where two tectonic plates are moving towards each other, creates deep sea trenches. Here, one plate is forced beneath the other in a process called subduction, leading to the formation of these deep underwater features.


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.


Compared to ocean crust near deep-sea trenches crust near ocean ridges are?

Compared to ocean crust near deep-sea trenches, crust near ocean ridges is generally younger, thinner, and hotter. Ocean ridges are sites of active seafloor spreading where magma rises to create new crust, while deep-sea trenches are associated with subduction, where older, denser crust is pulled back into the mantle. As a result, the crust at ocean ridges is also less dense and more buoyant than the crust found near trenches.

Related Questions

What produces deep sea trenches?

A process known as subduction creates deep sea trenches.


What process produces deep-sea trenches?

A process known as subduction creates deep sea trenches.


What are deep-ocean trenches?

Deep ocean trenches are deep slits in the middle of the ocean. The pressure inside these trenches is unbearable. long, curved valleys along the edges of the ocean basin


Where are deep sea trenches located?

in the west Philippine sea


Long narrow areas of deep water close to plate boundaries are called?

Trenches, or deep sea trenches.


How deep are deep sea trenches?

all most 7 miles


Deep sea trenches are found?

the galopagos islands


What process produceces deep sea trenches?

Subduction.


What ocean has the greatest number of deep sea trenches?

The pacific ocean


How do ocean ridges and deep-sea trenches support the theory of sea floor spreading?

Ocean ridges and deep-sea trenches support the theory of sea floor spreading through the process of plate tectonics. At ocean ridges, new oceanic crust is formed as magma rises and solidifies, pushing the existing crust apart. Deep-sea trenches are areas where old oceanic crust is being subducted back into the mantle, completing the cycle of sea floor spreading. This continuous movement of crust at ridges and trenches provides evidence for the theory of sea floor spreading and the movement of tectonic plates.


What process produces deep sea trenches?

Deep sea trenches are formed at tectonic plate boundaries by the process of subduction. This occurs when one tectonic plate is forced beneath another plate, resulting in the formation of a deep trench in the ocean floor. Subduction zones are associated with intense geological activity and can also lead to the formation of volcanic arcs.


Are deep sea trenches vast underwater mountain chains?

No, deep sea trenches are not underwater mountain chains. Deep sea trenches are long, narrow depressions in the ocean floor formed by tectonic plate activity, while underwater mountain chains, known as mid-ocean ridges, are long mountain ranges on the ocean floor where tectonic plates are spreading apart.