Fig. 3From: Probabilistic Volcanic Ash Hazard Analysis (PVAHA) II: assessment of the Asia-Pacific region using VAPAHCumulative number of small (VEI 2–3; top) and large (VEI 4–7; bottom) events over time for three of the six sub-regions a PNG, Vanuatu, Solomon Islands, Australia, b Philippines, Southeast Asia, c Japan, Taiwan. Additional plots for sub-regions d Indonesia, e New Zealand, Samoa, Tonga, Fiji and f Kamchatka (Russia), China, Mongolia, Korea) can be found in Additional file 1 Back to article page