Figure 3From: An analysis of the issuance of volcanic alert levels during volcanic crisesVAL results for eruptions with different VEI’s. Percentages of data are classified by categories 1 (`Missed’ in red), 2 (`Too Late’ in orange), 3 (`Premature’, in yellow), 4 (`Almost’, in light green) and 5 (`Perfect’, in dark green).Back to article page