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.

Seventh graders in Jackie Elsinger’s Earth science class recently completed a unit on volcanoes. “There are four types of them,” Elsinger said. “Cinder cone, composite (also known as stratovolcanoes), ...