Related Links

NASA Earth Observatory: Etna
http://earthobservatory.nasa.gov/Search/index.php?cx=002358070019171462865%3Arvzidec6wz4&cof=FORID%3A11&q=etna#862

Smithsonian Global Volcanism Program: Etna
http://www.volcano.si.edu/world/volcano.cfm?vnum=0101-06=

Italian National Institute for Geophysics and Volcanology, Catania branch
http://www.ct.ingv.it/