Seismic risk presented in terms of the annualized loss is useful to the insurance industry, but it is a very limited contribution to the needs of other risk managers. Other measures can be evaluated readily, such as discretization of the loss curve into short-term, medium-term, and long-term losses, and disaggregation to identify the predominant earthquake sources. These measures are not limited to single site assessments, but all can be evaluated for geographically distributed portfolios, and they are useful to risk managers who are seeking to mitigate against possible losses.

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