How Volcanoes Work was constructed and is maintained by Dr. Vic Camp from San Diego State University's Department of Geological Sciences. The site takes a comprehensive look into every aspect of volcanic formations and eruptions, including historical eruptions (Mt. St. Helens) and volcanism on other planets. Well written and designed, this site offers excellent illustrations, photographs, and...

Natural Resources Canada has launched yet another impressive and educational Web site. At this site you can learn all you wanted to know about Canadian volcanoes and volcanology. The site offers an introduction to volcanoes, in-depth sections on types, eruptions, hazards, and risks. You can also discover interesting facts, such as how eruptions in Alaska and the Western coast of the US impact...