Abstract: The present invention provides a system and methodology for quantification of insurance risks from a variety of catastrophic events in one or more geographic locations. A probability distribution for a given catastrophic event is developed. A potential claim distribution of the given event is developed. A geographic distribution of an insurance company's issued policies related to the event is developed. Probabilistic models are built and stochastic simulations carried out to quantify the company's insurance risk due to the catastrophic event. The assessment may be in the form of expected insurance payout, a stated risk level and/or net income impact. Decisions can then be made, based on the invention results, to adjust the related policy premiums or to purchase third-party reinsurance protection against the catastrophic event.