Seismicity characteristics before the 2003 Chengkung, Taiwan, earthquake

Yih Min Wu, Chien Chih Chen, Li Zhao, Chien Hsin Chang

研究成果: 雜誌貢獻期刊論文同行評審

30 引文 斯高帕斯(Scopus)

摘要

We investigate the variations in seismicity pattern in the Taiwan region before the 2003 Chengkung, Taiwan, earthquake (Mw = 6.8) by calculating the standard normal deviate of the Z-values and b-values from the Gutenberg-Richter relation. The Mogi donut-shaped variations in the seismicity can be identified in the Z-value map surrounding the Chengkung earthquake source region. Noticeable decreases in the b-values have also been found around the mainshock region before the Chengkung event. The relatively low-seismicity rate and the decrease in the b-values may be the precursory phenomena associated with the quiescence in overall seismicity and the activation of moderate-sized events occurred around the mainshock region before the Chengkung event.

原文???core.languages.en_GB???
頁(從 - 到)177-182
頁數6
期刊Tectonophysics
457
發行號3-4
DOIs
出版狀態已出版 - 1 10月 2008

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