Simplified stratigraphic scheme and composite sections for proximal and medial exposures (not to scale) of the Vesuvius 79 AD eruption sequence (from Scarpati et al., 2024a, 2024b). Asterisks and stars denote sampled units. The inset at the upper right shows a satellite view of the Somma-Vesuvius volcano with the location of the investigated stratigraphic sections.