Most people will never see the eruption of an active volcano. Even so, evidence of these dramatic displays can be found all over the world. In fact, more can be learned about some aspects of volcanic activity by exploring evidence left by past eruptions than by watching an eruption in progress. This interactive resource adapted from the National Park Service explores eight volcanic features and describes how they form.
This media asset was adapted from Views of the National Parks: Volcanism Knowledge Center by the National Park Service.