Santorini

http://en.wikipedia.org/wiki/Santorini
http://www.geology.sdsu.edu/how_volcanoes_work/santorini.html
http://en.wikipedia.org/wiki/Akrotiri_(Santorini)
http://en.wikipedia.org/wiki/Minoan_eruption
http://theextinctionprotocol.wordpress.com/2012/09/10/giant-balloon-of-magma-inflates-under-greeces-santorini-volcano/