What two plates make volcanoes in Indonesia?
Volcanoes are formed when two tectonic plates collide. The Indo-Australian plate and the Eurasian plate collide in Indonesia, creating the Sunda trench. The pressure of the two plates causes the Indo-Australian plate to sink below the Eurasian plate. This creates a hot spot in the Earth’s mantle, which melts the rock and creates magma. The magma rises to the surface, and the pressure of the overlying rock causes an eruption.
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