PROBABILISTIC SEISMIC DEMAND ANALYSIS: SPECTRUM MATCHING AND DESIGN. Jorge Eduardo Carballo C. Allin Cornell Department of Civil and Environmental Engineering, Stanford University Supported by Universidad Autónoma Metropolitana, México Consejo Nacional de Ciencia y Tecnologia, México Mineral Management Service, U.S. Department of the Interior, contract # 1435-01-96-CT-308332. Reliability of Marine Structures Program, Stanford University Report No. RMS-41 July 2000