Precursory phenomena associated with large avalanches in the long-range connective sandpile model II: An implication to the relation between the b-value and the Hurst exponent in seismicity

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題名:	Precursory phenomena associated with large avalanches in the long-range connective sandpile model II: An implication to the relation between the b-value and the Hurst exponent in seismicity
作者:	Lee,YT;Chen,CC;Hasumi,T;Hsu,HL
貢獻者:	地球物理研究所
關鍵詞:	1999 CHI-CHI;EARTHQUAKE POPULATIONS;FRACTAL DIMENSION;LRCS MODEL;TIME;CRITICALITY;EVOLUTION;FAULT;QUIESCENCE;CALIFORNIA
日期:	2009
上傳時間:	2010-06-29 18:40:41 (UTC+8)
出版者:	中央大學
摘要:	We analyze the Hurst exponent H and a power-law exponent B obtained from frequency-size distributions of avalanche events in the long-range connective sandpile (LRCS) model and study the relation between those two exponents. The LRCS model is introduced by considering the random distant connection between two separated cells. We find that the B-values typically reduce prior to large avalanches while the H-values increase. Both parameters appear precursory phenomena prior to large avalanche events. Most importantly, we show that the LRCS model can demonstrate an interesting negative correlation between the B- and H-values, which has been frequently implied in observations of seismicity and firstly verified in our present simulations. Citation: Lee, Y.-T., C.-C. Chen, T. Hasumi, and H.-L. Hsu (2009), Precursory phenomena associated with large avalanches in the long-range connective sandpile model II: An implication to the relation between the b-value and the Hurst exponent in seismicity, Geophys. Res. Lett., 36, L02308, doi: 10.1029/2008GL036548.
關聯:	GEOPHYSICAL RESEARCH LETTERS
顯示於類別:	[地球物理研究所] 期刊論文

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