Fig. 4From: Effects of eruption source parameter variation and meteorological dataset on tephra fallout hazard assessment: example from Vesuvius (Italy)Terminal settling velocity (m/s) of juvenile and lithic particles as a function of the particle size. The used models are Arastoopour et al. (1982) reported in the legend as “Arast.” and Ganser (1993) reported in the legend as “Ganser” using a sphericity of 0.9Back to article page