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GIS Aplication on Macro-Seimic Hazard Analysis in Yogyakarta Province
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 covers are several item that will be used to border this area i.e. a. the maximum depth is 200 km, the earthquake source location is 500 km and attenuation functions that appropriate for each earthquake zone. Combination of several attenuation function have been adopted that is appropriate with the type of seismic source. In addtion, both exponential and characteristic recurrence models have been adopted. Some ucertainties are minimzed through logic tree methodology. (Jml)
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