Deadliest volcanic eruption: The 1815 eruption of Mount Tambora in Indonesia, which killed up to 100,000 people From lava fountains to towering ash clouds, volcanoes produce some of the most ...

Etna is a composite volcano, also called stratovolcano, a conical volcano built up of many layers (strata) of hardened lava and tephra. It is characterised by a steep profile with a summit crater ...

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 ...

At destructive boundaries - where tectonic plates are moving towards each other - you’ll find composite volcanoes. Composite volcanoes have very sticky and thick lava, which can make them very ...

The tallest volcano in Europe, Italy's Mount Etna, and the world's most active volcano, Kilauea in Hawaii, erupting again.