Relationship between Peak Ground Acceleration, Peak Ground Velocity, and Macroseismic Intensity in Western China

Research Article| December 11, 2018 Relationship between Peak Ground Acceleration, Peak Ground Velocity, and Macroseismic Intensity in Western China Ke Du; Ke Du aKey Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China, duke@iem.ac.cnjingjiangsun@sina.cn Search for other works by this author on: GSW Google Scholar Baorong Ding; Baorong Ding bKey Laboratory of Underground Engineering Technology, Harbin University, Harbin 150080, China, dinging04551@126.com Search for other works by this author on: GSW Google Scholar Huan Luo; Huan Luo cZachry Department of Civil Engineering, Texas A&M University, College Station 77843, Texas, hluo@tamu.edu Search for other works by this author on: GSW Google Scholar Jingjiang Sun Jingjiang Sun aKey Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China, duke@iem.ac.cnjingjiangsun@sina.cn Search for other works by this author on: GSW Google Scholar Author and Article Information Ke Du aKey Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China, duke@iem.ac.cnjingjiangsun@sina.cn Baorong Ding bKey Laboratory of Underground Engineering Technology, Harbin University, Harbin 150080, China, dinging04551@126.com Huan Luo cZachry Department of Civil Engineering, Texas A&M University, College Station 77843, Texas, hluo@tamu.edu Jingjiang Sun aKey Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China, duke@iem.ac.cnjingjiangsun@sina.cn Publisher: Seismological Society of America First Online: 11 Dec 2018 Online Issn: 1943-3573 Print Issn: 0037-1106 © Seismological Society of America Bulletin of the Seismological Society of America (2019) 109 (1): 284–297. https://doi.org/10.1785/0120180216 Article history First Online: 11 Dec 2018 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Ke Du, Baorong Ding, Huan Luo, Jingjiang Sun; Relationship between Peak Ground Acceleration, Peak Ground Velocity, and Macroseismic Intensity in Western China. Bulletin of the Seismological Society of America 2018;; 109 (1): 284–297. doi: https://doi.org/10.1785/0120180216 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyBulletin of the Seismological Society of America Search Advanced Search Abstract Empirical relationships between the macroseismic intensity and the ground‐motion parameters (peak ground acceleration [PGA], peak ground velocity [PGV]) for western China are derived in this study. A strong ground‐motion database including 34 moderate to large earthquakes is used along with the corresponding modified Mercalli intensity (MMI) information inferred from isoseismal maps and earthquake damage reports. A weighted least‐squares regression with analytic hierarchy process (AHP) is used to find the following simple relationships between MMI and PGA or PGV with V≤I≤IX:MMI=3.311logPGA−0.354⁠, MMI=3.356logPGV+3.315⁠. These new relationships are significantly different from the Liu et al. (1980) correlations, which have been used in the Chinese macroseismic seismic intensity scale (CMSIS). The proposed simple relationships are then compared with similar equations developed from other regions. Comparison confirms that such relationships should be regional‐dependent because the frequency content of ground motions exhibits local properties. To quantify the regional variations to the global relationships from Caprio et al. (2015), regional correction factors (RCFs) for western China are obtained by the proposed simple relationships. We also refined predictive relationships that include Ms and epicentral distance as independent variables. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.