which of the following best explains why earthquakes and volcanic eruptions frequently occur in the same location?

C. both are often created by the subduction of oceanic crust.

Volcanic eruptions occur only in certain places and do not occur randomly. This is because the Earth's crust is broken into a series of slabs known as tectonic plates. These plates are rigid, but they "float" on a hotter, softer layer in the Earth's interior.