Southern coast of Sicily
Empedocles is a large underwater volcano located 40 kilometers off the southern coast of Sicily named after the Greek philosopher Empedocles who believed that everything on Earth was made up of the four elements. According to Giovanni Lanzafame, of Italys National Institute of Geophysics and Volcano logy.It disappeared into the water again five months later. Country Disputed, assumed Italy. Location between Sicily and Tunisia.