How are the locations of earthquakes and volcanoes related?

Volcanoes, on the other hand, are openings in the Earth's crust from which hot gases and molten rock materials are ejected onto the surface of the Earth. Earthquakes and volcanic activity are closely related to each other. In fact, earthquakes usually accompany a volcanic eruption. Similarly, unusual earthquakes can also lead to volcanic eruptions.

Explanation:

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.

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