Visit This Site: http://vhub.org
This hub is a resource for collaborative research, education and outreach in volcanic science and associated risk mitigation. It hosts various resources which will help you learn about your science area, including Online Presentations, Courses, Learning Modules, Animations, Teaching Materials, and more. These resources come from contributors in our scientific community, and are used by visitors from all over the world.
Most importantly, VHub.org offers simulation tools which you can access from your web browser, so you can not only learn about but also simulate various aspects of volcanic behavior.