Question

Why do volcanoes and earthquakes tend to happen in the same areas?
Volcanoes and earthquakes tend to happen in the same areas because

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Answer 1

Explanation:

At converging plate boundaries, two situations are possible. First, both volcanoes and earthquakes form where one plate sinks under the other. This process, called subduction, takes place because one plate is denser than the other. ... Much magma is generated at a converging plate boundary where subduction is occurring.

Answer 2

Answer:

When you superimpose a map of active volcanoes in the world on a map of earthquakes during the past thirty years, you can see that they match perfectly. That is because most of the volcanism and most of the seismic activity on Earth are localised on the boundaries between tectonic plates.