Estimation of prediction efficiency of seismic regime probabilistic model parameters

On the basis of theoretical-probabilistic approach to the Kamchatka earthquakes catalog the subset of random events was specified and their probabilities were calculated. The received probabilities of random events considered as predictors of strong earthquakes with energy class $K_S \geqslant14$. Their effectiveness $V$, reliability $R$ and prediction efficiency (informative) $J$ were calculated for periods of seismic activity and seismic calm.