What Makes Volcanoes Erupt?
The local newspaper here in Ithaca posts weekly science questions, with answers from experts at Cornell. I’ve answered a couple of questions about astronomy in the past, but that’ not why I’m mentioning it. I mention it because today’s question ties in nicely with my recent volcano – themed posts! So if you want to know why volcanoes erupt, check it out!
Edit: It looks like the Ithaca journal link is broken now, but here is a link to another site briefly describing why volcanoes erupt.