Mapping Seismic Hazard for Mainland China Using Adaptive Kernel Smoothing Technique

The information required to develop probabilistic seismic hazard maps includes the seismic source zones, the stochastic earthquake occurrence modeling, and ground motion models. The use of delineated source models and probabilistic seismic hazard assessment is well-known. Other available approaches include the use of a spatially smoothed source model. The present study is focused on the evaluation of probabilistic seismic hazard analysis for mainland China. For the assessment, the adaptive kernel smoothing technique is employed to define the source model by considering the historical seismic catalog, and a set of newly developed ground motion model is applied. Some of the obtained probabilistic seismic hazard maps are compared to the new 5th-generation seismic hazard maps for mainland China, and site-dependent uniform hazard spectra are developed.