The United States Geological Survey:
This website is a fantastic place to go for information about Volcanoes and Earthquakes. The website keeps up to date with volcanoes and earthquakes from around the world and posts about any which might be erupting or shaking right now!
BBC news animated guide:
This website is part of BBC news and has a great collection of animations explaining Volcanoes, Earthquakes and even the 2004 Asian Tsunami. Check it out!
Another great site about volcanoes and always keeps up to date with eruptions from around the world. This website also has lots of great information for teachers or anyone who just wants to learn more about volcanoes.