Though volcanologists study all types of volcanoes, the latter kind is of greatest concern since it is capable of killing thousands of people, destroying entire cities and forests, and severely ...

The movement of the plates creates three types of tectonic boundaries ... These types of collisions can also lead to underwater volcanoes that eventually build up into island arcs like Japan.

The two types of volcano form in different places and have very different characteristics. Ash released from shield volcanoes often builds up around the vent forming a steep, round hill known as a ...