摘要
根据耗散结构理论及Mandelbort提出的分形几何学观点,研究了玛纳斯5.8级地震前后地震(M_s≥1.5)序列的时空分布特征、地震活动信息熵及分维的动态变化。发现玛纳斯5.8级地震前存在减熵和降维。认为,地震熵或分维可以定量描述地震时空分布变化过程,并量度变化过程从无序向有序的演化。
According to the theory of dissipative structure and geometry of fractal's idea raised by Mandelbort ,we studied dynamic variation on seismicity entropy of information and fractal dimension and spacio-temporal characteristic of earthquake sequence(M≥1. 5) before and after Manasi 5. 8 earthquake. It is found out that there existed dimension reduce and entropy decrease problems prior to the shock, so it is considered that either seismic entropy or fractal dimension can be used to describe quantitatively the variation process for spacio--temporal distribution of earthquakes and measure the variation process to evolve from disorder to order.
出处
《内陆地震》
1990年第3期193-200,共8页
Inland Earthquake
基金
地震科学联合基金
关键词
地震
地震活动性
信息熵
分维
Xinjiang, Entropy of information, Seismicity, Dissipative structure, Fractal dimension, Statistical self-similar, Dimension reduce, Entropy decrease.
