Figure 2. Avalanche size distributions.

The cumulative counts of countries with avalanche sizes equal to or greater than A, which behaves in the same way as the cumulative distribution of P(A), is plotted. At the critical parameter f/t = 7, the plot becomes straight with a slope of -1 (dashed line) on a logarithmic scale, indicating the power-law relation P(A)∼A ⁻². The horizontal axis has been offset by one, to plot the countries with A = 0 on a logarithmic scale.