Application and discussion of statistical seismology in probabilistic seismic hazard assessment studies  

作　　者：Weilai PEI Shiyong ZHOU Jiancang ZHUANG Ziyao XIONG Jian PIAO 

机构地区：[1]School of Earth and Space Sciences,Peking University,Beijing 100871,China [2]The Institute of Statistical Mathematics,Research Organization of Information and Systems,Tokyo 1908562,Japan

出　　处：《Science China Earth Sciences》2022年第2期257-268,共12页中国科学（地球科学英文版）

基　　金：This work was supported by the National Natural Science Foundation of China(Grant No.U2039204);the National Key R&D Program of China(Grant No.2018YFC1504203).

摘　　要：Earthquakes are one of the natural disasters that pose a major threat to human lives and property. Earthquake prediction propels the construction and development of modern seismology;however, current deterministic earthquake prediction is limited by numerous difficulties. Identifying the temporal and spatial statistical characteristics of earthquake occurrences and constructing earthquake risk statistical prediction models have become significant;particularly for evaluating earthquake risks and addressing seismic planning requirements such as the design of cities and lifeline projects based on the obtained insight. Since the 21 st century, the occurrence of a series of strong earthquakes represented by the Wenchuan M8 earthquake in 2008 in certain low-risk prediction areas has caused seismologists to reflect on traditional seismic hazard assessment globally. This article briefly reviews the development of statistical seismology, emphatically analyzes the research results and existing problems of statistical seismology in seismic hazard assessment, and discusses the direction of its development. The analysis shows that the seismic hazard assessment based on modern earthquake catalogues in most regions should be effective. Particularly, the application of seismic hazard assessment based on ETAS(epidemic type aftershock sequence)should be the easiest and most effective method for the compilation of seismic hazard maps in large urban agglomeration areas and low seismic hazard areas with thick sedimentary zones.

关 键 词：Statistical seismology Earthquake prediction Probabilistic seismic hazard assessment Stress release model Epidemic type aftershock sequence model 

分 类 号：P315.9[天文地球—地震学]