Correlation Fractal and Multifractal Characteristics of Seismic Activity in the Taiwan Area, China

Based on the analysis of newly collected data of plate tectonics, distribution of active faults and crustal deformation, the Taiwan area is divided into two seismic regions and six seismic belts. Then, correlation fractal dimensions of all the regions and belts are calculated, and the fractal characteristics of hypocenteral distribution can be quantitatively analyzed. Finally, multifractal dimensions Dq andf(α) are calculated by using the earthquake catalog of the past 11 years in the Taiwan area. This study indicates that (1) there exists a favorable corresponding relationship between spatial images of seismic activity described with correlation fractal dimension analysis and tectonic settings; (2) the temporal structure of earthquakes is not single but multifractal fractal, and the pattem of Dq variation with time is a good indicator for predicting strong earthquake events.

作 者： Xu Jiandong Huang Jianfa WEI Fuquan YAN Yunpeng Li Yaping LIN Chien-te   作者單位： Xu Jiandong,Li Yaping(Institute of Geology, China Earthquake Administration, Beijing 100029, China)

Huang Jianfa,WEI Fuquan(Earthquake Administration of Fujian Province, Fuzhou, Fujian 350003; China)

YAN Yunpeng(China Aero Geophysical Survey and Remote Sensing for Land and Resources, Beijing 100083, China)

LIN Chien-te(Leader University, Tainan, Taiwan, China) 

刊 名： 地質學報（英文版）  SCI 英文刊名： ACTA GEOLOGICA SINICA  年，卷(期)： 2005 79(2)  分類號：   關鍵詞： Taiwan   correlation fractal   multifractal   seismic belt   seismic region  

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