Fig. 3From: Investigation of geomechanical properties of tephra relevant to roof loading for application in vulnerability analysesGrain size distributions for proximal (≤ 10 km from source) samples from published data (Table 1) from a) mafic eruptions, b) intermediate eruptions and c) silicic eruptions. d Presents trachytic pumice and ash, and basaltic scoria samples from Ascension IslandBack to article page