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Volcanoes form where plates are moving away from each other and new crust is being formed. That is the traditional answer although research has recently been published that shows there are 'hot spots' places where magma will plume in the middle of a tectonic plate, these hot spots also create volcanoes. An example of this type of hot spot volcano would be the active volcano in the Hawaii Island chain or the volcano under Yellowstone.

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What causes volcanoes to erupt under earths surface?

mostly earthquakes or plate tectonic movement.


What type of tectonic plate movement can cause the formation of mountains trenches or volcanoes?

weathering and erosion


How are earthquakes and volcanoes related to the theory of the plate tectonics?

They are both caused by movement of tectonic plates.


Why does Japan have volcanoes?

Japan has volcanoes because it lies on the edge of the Pacific tectonic plate which is being shoved under the Asian plate. As the Pacific plate descends. the increasing heat causes the rock to melt and volcanoes to erupt.


How are weak spots plate movement and volcanoes related?

All Volcanoes are formed at weaker spots in the tectonic plates. The weak spots are usually near the edges of plates, and most volcanoes are formed there. Sometimes though, plates move over hot spots, and if a weak area of the plate is over that hot spot, a volcano (shield volcano) might form.


Why do you need to study volcanoes?

study volcanoes to know when they will erupt to save people's lives and some like to study volcanoes to learn more about tectonic plate movement.


What is is it called when plate movement causes rocks to break?

When plate movement causes rocks to break it is call an earthquake.


Is there correlation between tectonic plates and earthquakes?

Absolutely! The friction and catching from tectonic plate movement causes quakes.


Are mountains and volcanoes two features found most commonly at plate boundaries?

Yes. Generally that is where the tectonic plates are. Mountain and volcanoes are formed by tectonic plate movement, so yes they are 2 features that are most commonly found at plate boundaries. Fault Block Mountains(:


Why is there a frequency of earthquakes and volcanoes?

The reason why is because the tectonic plates never stop moving. When one plate collides with another it causes volcanoes and earthquakes to occur.


Where are the landforms located for tectonic plates?

The wording you used didn't make much sense. I'll try to answer it to the best of my ability. Common land forms caused by the movement of plate tectonics include volcanoes and mountains. Sudden tectonic is what causes earthquakes.


How does tectonic plate movement affect the environment?

It causes earthquakes when the plates hit each other.