Despite the many complexities concerning their initiation and propagat
ion, forest fires exhibit power-law frequency-area statistics over man
y orders of magnitude. A simple forest fire model, which is an example
of self-organized criticality, exhibits similar behavior. One practic
al implication of this result is that the frequency-area distribution
of small and medium fires can be used to quantify the risk of Large fi
res, as is routinely done for earthquakes.