Fig. 1
From: Multiple natural hazards at volcanic islands: a review for the Ischia volcano (Italy)
a geological and structural sketch map of Ischia (modified after de Vita et al. 2010), where the red dashed line indicates the margin of the hypothesized Monte Epomeo Green Tuff caldera; b morphology of the emerged and submerged parts of Ischia (after D'Argenio et al. 2004); c chronogram of the Ischia volcanic activity; d NW-SE structural section, showing the asymmetric block resurgence of Monte Epomeo (after Marotta and de Vita 2014); e structural sketch showing the asymmetric block resurgence and tilting of the Green Tuff caldera floor (after Acocella and Funiciello 1999)