There are two main types of volcano - composite and shield. The two types of volcano form in different places and have very different characteristics. Ash released from shield volcanoes often ...

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 ...

defines an active volcano as one that has erupted within the past 10,000 years. Hawaii has five such volcanoes in addition to Kilauea, though Kilauea is the only one currently erupting.

Volcanoes can look like small mountains or hills. A volcano is an opening in the Earth's crust that allows magma, hot ash and gases to escape. Composite volcanoes are the most common type of ...