Maui's Haleakala volcano and the rest of the Hawaiian Islands formed out of molten lava as the Pacific plate drifted over the hotspot as three to four inches a year. Map Source: TASA Graphic Arts ...

Volcanoes. A short video for 11-14 year old pupils, exploring tectonic activity and volcanoes and featuring case studies from ...

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 volcano.