In this interactive activity from NOVA Online, explore the main features of the Nyiragongo volcano, located in the Democratic Republic of Congo, and learn what risks it poses to the 500,000 people who live in its shadow.

A comprehensive site covering everything from volcanic structures to pyroclastic materials. View pictures of major volcanic landforms, and volcanic rocks.

Volcanoes are one of the most dynamic, powerful, and visible forces on Earth. This interactive resource adapted from the National Park Service uses images to describe different types and parts of volcanoes, volcanic rocks, magma, and...