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Probabilistic tephra fallout hazard maps for Sangay volcano, Ecuador

Figure 7 (excerpt) – Sangay tephra fallout mean hazard maps for the combined SAV, VS, and SPL scenarios for 1 kg/m 2 threshold. The maps are produced initializing PLUME-MoM-TSM with, respectively, plume height (ph) and total volume (tv). Contour lines, where not indicated, follow the progression 1%, 5%, 10%, 50%,…

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How brittle detachments form and evolve through space and time

Figure 8. Time-constrained model for brittle detachments evolution. (A) crustal thinning, hinge rolling and brittle-ductile detachment zones initiation. (B) Deformation localisation along the main brittle detachment, gouge formation and development of SC structure-dominated shear zone, coeval with the onset of ductile deformation along the upper part of the exhuming granite.

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