causes of volcanic eruption
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19
Magma rises through cracks or weaknesses in the Earth's crust. When this pressure is released, eg as a result of plate movement, magma explodes to the surface causing a volcanic eruption. The lava from the eruption cools to form new crust. Over time after several eruptions the rock builds up and a volcano forms.
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Answered by
14
Causes are as follows
1. Earthquakes
2. High pressurised steam and magma inside earth
3. Pressure of other fluids inside earth. Such as- SO2, NO2, CO, H2O, HF, HCl, SO3,etc.
1. Earthquakes
2. High pressurised steam and magma inside earth
3. Pressure of other fluids inside earth. Such as- SO2, NO2, CO, H2O, HF, HCl, SO3,etc.
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