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[1]XIAO Peiyuan,REN Yefei,WU Yujiao,et al.Preliminary Recognition of the Data Statistics of Strong Motion Records from the Global Major Open-source Databases[J].Journal of Seismological Research,2024,47(04):553-562.[doi:10.20015/j.cnki.ISSN1000-0666.2024.0054 ]

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Preliminary Recognition of the Data Statistics of Strong Motion Records from the Global Major Open-source Databases

Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume: 47 Number of periods: 2024 04 Page number: 553-562 Column: Public date: 2024-08-20

Title:: Preliminary Recognition of the Data Statistics of Strong Motion Records from the Global Major Open-source Databases

Author(s):: XIAO Peiyuan¹; 2; REN Yefei¹; 2; WU Yujiao¹; 2; ZHOU Baofeng¹; 2; ZHANG Yajun³; WU Huadeng⁴; WEN Ruizhi¹; 2; (1.Key Laboratory of Earthquake Engineering and Engineering Vibration,Institute of Engineering Mechanics,China Earthquake Administration,Harbin 150000,Heilongjiang,China)(2.Key Laboratory of Earthquake Disaster Mitigation,Ministry of Emergency Management,Harbin 150000,Heilongjiang,China)(3.Ningxia Communications Construction Co.,Ltd.,Yinchuan 750004,Ningxia,China)(4.Guangdong Earthquake Agency,Guangzhou 510070,Guangdong,China)

Keywords:: strong motion records; global open-source databases; absolute acceleration response spectra; site classification

CLC:: P315.914

DOI:: 10.20015/j.cnki.ISSN1000-0666.2024.0054

Abstract:: Strong motion records are the basis for the research in earthquake engineering and engineering seismology.In order to efficiently select strong motion records,we collect and collate more than 400000 sets of(approximately 1.5 million)strong motion records of earthquakes(M≥5.0)from the following global open-source strong motion databases:USGS in the United States,ESM in Europe,K-NET and KiK-net in Japan,RAII-UNAM in Mexico,and GeoNet in New Zealand.Then we screen and classify these strong motion records according to some basic information such as magnitude,station distribution,site conditions,response spectrum shape,etc.In the light of the Chinese standard and the American standard,we classify the sites.We normalize the absolute acceleration response spectra.We compared the average response spectrum shapes in the US,Europe,Japan,Mexico,and New Zealand.The conclusions are as follows:(1)Strong motion stations in the United States are concentrated along the west coast and in Alaska,with a high proportion of hard sites;(2)Japan has the highest density of strong stations,with a high proportion of soft sites;(3)The site classification of strong earthquake stations is obtained according to the Chinese standard and the American standard;(4)Near-field strong motion recordings are mostly centralized and most abundant in the United States;(5)In these countries or region,the absolute acceleration response spectra in the same period have obvious regional differences.

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Last Update: 2024-08-20