Alparone, Salvatore, Salvatore D’Amico, Salvatore Gambino, and Vincenza Maiolino. “Buried Active Faults in the Zafferana Etnea Territory (south-Eastern Flank of Mt. Etna): Geometry and Kinematics by Earthquake Relocation and Focal Mechanisms”. Annals of Geophysics 56, no. 1 (April 19, 2013): R0112. Accessed August 4, 2021. https://www.annalsofgeophysics.eu/index.php/annals/article/view/5758.