Photo glossary of volcano terms

The glossary has about 60 terms that are primarily types of volcanoes or vents, eruption types, and eruptive products. Clicking on a term displays a captioned photograph illustrating the concept and a glossary definition. Below the photgraph are related glossary terms and sometimes other information or photograph links. Educational levels: Graduate or professional, High school, Informal education, Middle school, Undergraduate lower division, Undergraduate upper division