Figure 3From: AshCalc–a new tool for the comparison of the exponential, power-law and Weibull models of tephra deposition Isopach maps for a) Rungwe pumice eruption (figure adapted from Fontijn et al. 2011 ) and b) 2008 Chaitén eruption (figure adapted from Watt et al. 2009 ; Alfano et al. 2011 ). Back to article page