1. Hazard potential of volcanic flank collapses raised by new megatsunami evidence Ramalho, Ricardo S.; Winckler, Gisela; Madeira, José; Helffrich, George R.; Hipólito, Ana; Quartau, Rui; Adena, Katherine; Schaefer, Joerg M. 2015 Articles Tsunamis--ForecastingVolcanic hazard analysisEnvironmental sciencesGeology