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Table 2 Conditional probability of an event VEI 3 or less occurring for each of the five volcano types in the database (e.g. Asia-Pacific)

From: Probabilistic Volcanic Ash Hazard Analysis (PVAHA) I: development of the VAPAH tool for emulating multi-scale volcanic ash fall analysis

Category Events VEI 0 VEI 1 VEI 2a VEI 3
Caldera 387 0.007 0.037 0.075 0.008
Large cone 2422 0.023 0.171 0.522 0.079
Lava dome 35 0.000 0.010 0.001 0.001
Shield 168 0.001 0.008 0.042 0.005
Small cone 33 0.000 0.001 0.007 0.004
  1. aVEI 2 events in the GVP database are typically more common than VEI 1 and VEI 0 and this is reflected in these values