This study focuses on Yogyakarta Province, located on the middle of Java Island. The study uses two general methods for Seismic Hazard Analyses, deterministic and probabilistic. In deterministic analysis, analyses focuses on comparison between Melange Tertiary Opak Fault and Subsurface fault as the main causes of Yogyakarta earthquake in May 27, 2006. In probabilistic, the scope in this study c…