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作者Chu, Tyan-Ming;Huang, Wen-Jeng;Lin, Tsung-Yi;Lu, Shih-Ting;Liu, Yen-Chiu;Chiang, Cheng-Shing;Chang, Yi-Huei
出版日期202112
著作名稱Benefits of Defining Geological Sensitive Zones in the Mitigation of Disasters Along Earthquake Fault Zones in Taiwan – The Case of Milun Fault
刊名Journal of Disaster Research
16
8
頁數1257-1264
被收錄索引EI
主題地質
關鍵字earthquake fault zone; surface rupture; Milun Fault; Taiwan
摘要In Taiwan, the main purpose of earthquake fault zone legislation is to prevent earthquake-related disasters around the surface traces of active faults, particularly in urban areas. Here, the Geologically Sensitive Area (GSA) of the Milun Fault (Milun Earthquake Fault Zone) is used as an example to reveal the importance of such legislation. Field data collected along the Milun Fault before and after the 2018 Hualien Earthquake were used to reveal the reappearance of damages within the GSA. The 2018 Hualien Earthquake represents one of the shortest recurrence intervals (67 years) among all major faults in Taiwan. Most of the surface ruptures and damaged buildings in Hualien City were within the Milun Fault GSA and concentrated on the hanging wall of the fault. Moreover, 61% (91/148) of the damaged buildings and 83% (692/835) of the surface ruptures occurred within 100 m of the fault line. The results of this study demonstrate the importance of defining GSAs of active faults for mitigating earthquake hazards.
DOI10.20965/jdr.2021.p1257
系統號NO000006276

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