The present status of the numerical modeling of subsidence phenomena associated with the production of fluid from geothermal reservoirs is evaluated. This evaluation includes a comparative analysis of present numerical modeling codes including an evaluation of their potential for application to specific geologic environments where the subsidence may occur. In addition, this report provides preparation guidelines for subsidence modeling application to assist program managers responsible for the supervision of subsidence monitoring and control measures associated with geothermal development. Also included are sections on data acquisition and management and a proposed method for qualitatively ranking the subsidence risks of a known geothermal reservoir. The subject of data uncertainties management is introduced and briefly discussed