Learn more about volcanoes and eruptions - National Museum of Natural History web applications time lapse of volcano eruptions since 1960
Global Volcanism Project - Volcanoes of the world database, a catalog of Holocene and Pleistocene volcanoes and eruptions from the past 10,000 years hosted by the Smithsonian Institution
10,000 Years of Volcanoes - interactive Google Earth application
Check out the books on reserve for your course.
These are just some of the references which are useful places to start your research. Check the library catalog or with the librarians for additional resources to help with your research.