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Subduction zones exist for the same reason that any other form of tectonic activity exists, which is that the Earth's crust floats on top of a liquid mantle in which there are currents caused by temperature differences within the mantle, which in turn are the result of heat generated by radioactive decay within the Earth's interior. The currents cause the floating crustal plates to slowly move. If they move toward each other, sometimes one plate will slide on top of another, and the submerged plate therefore undergoes subduction.
What else can I help you with?
Where are the most explosive volcanoes subduction zones or rift zones?
Explosive volcanoes are most common at subduction zones.
What deep ocean feature form at subduction zones?
Trenches are deep ocean features of subduction zones.
Do Hotspot volcanoes occur along subduction zones.?
No, hotspot volcanoes do not occur along subduction zones. They occur when plates pass over mantle hot spots.
Where can trenches be found?
Subduction zones
Where the earthquakes located?
In subduction zones.
Where is lithosphere recycled?
At the subduction zones.
Where are located the earthquake?
In subduction zones.
What occurs at subduction zones?
Trenches
Where can subduction volcanoes be located?
In the continental side of the subduction zones and island arks.
The deepest earthquakes occur were?
The deepest earthquakes occur at subduction zones where one tectonic plate is forced beneath another into the Earth's mantle. These earthquakes can occur as deep as 700 km below the surface.
Is Shield volcanoes found along subduction zones?
Cone volcanoes which are likely to erupt explosively are found at subduction zones. Spreading zones (constructive plate boundaries) and hot spots produce quieter volcanoes because their lava is thinner. The ones at hot spots are shield volcanoes.
The blank ocean basin is rimmed by the most subduction zones?
The Pacific Ocean basin is rimmed by the most subduction zones. These subduction zones form as one tectonic plate is forced beneath another, creating deep ocean trenches. The Pacific Ring of Fire, which encircles the Pacific Ocean, is known for having numerous subduction zones and is associated with high levels of seismic activity and volcanic eruptions.
