Halbe-$ure Insurance, Inc.

as of 11/22/05
http://pasadena.wr.usgs.gov/ABC/index.html - some useful words, you need to use the parents guide.
http://walrus.wr.usgs.gov/ask-a-geologist/ - ask a geologist
http://pubs.usgs.gov/gip/earthq1/- earthquake info
http://science.howstuffworks.com/earthquake.htm - detailed and factual description of what an earthquake is and how it works
http://www.thirteen.org/savageearth/ - PBS detailed. Material is very detailed. Some cool animations to show you what happens. Be ready to read and think!
http://www.thetech.org/exhibits_events/online/quakes/ - cool slide show about earthquakes. Information is in small tidbits.
http://whyfiles.org/094quake/ - earthquakes explained using the last two (Pakistan and Sumatra) major quakes as the focus of explaining WHY Earthquakes.
http://volcano.und.nodak.edu/vwdocs/vwlessons/lessons/Volcanoes/Volcanoes1.html - slide show with basic information. You have to work through and read it though.
http://www.volcanoworld.org/index.html - many types of links with information about specific volcanoes and eruptions.
http://www.geology.sdsu.edu/how_volcanoes_work/Volcano_tectonic.html - pretty detailed. Extra links for extra information. This site goes beyond the basics a little (it is a college website).
http://www.enchantedlearning.com/subjects/volcano/ - good starting point. Very basic information on an elementary level will get a beginner started.
http://science.howstuffworks.com/volcano.htm - detailed and factual description of what a volcano is and how it works.
http://yahooligans.yahoo.com/ - kid-friendly sites from a kid-friendly search engine.