There are two main types of volcano - composite and shield. The two types of volcano ... round hill known as a cinder cone. A lava tube may also form, beneath the surface of the ground, when ...

Four types of volcanoes—shield, composite, cinder cone, and plug dome—can be found in Lassen Volcanic National Park, where they literally bubble and steam.

Mount Etna in Sicily, Italy, is an example of a composite volcano. Shield volcanoes do not have such violent eruptions. These volcanoes tend to have gentle slopes and their runnier lava spreads ...