地震学报（英文版）1999，Vol.12Issue(1)：35-45,11.
Seismicity acceleration model and its application to several earthquake regions in China
Seismicity acceleration model and its application to several earthquake regions in China
摘要
Abstract
With the theory of subcritical crack growth, we can deduce the fundamental equation of regional seismicity acceleration model. Applying this model to intraplate earthquake regions, we select three earthquake subplates: North China Subplate, Chuan-Dian Block and Xinjiang Subplate, and divide the three subplates into seven researched regions by the difference of seismicity and tectonic conditions. With the modified equation given by Sornette and Sammis (1995), we analysis the seismicity of each region. To those strong earthquakes already occurred in these region, the model can give close fitting of magnitude and occurrence time, and the result in this article indicates that the seismicity acceleration model can also be used for describing the seismicity of intraplate. In the article, we give the magnitude and occurrence time of possible strong earthquakes in Shanxi, Ordos, Bole-Tuokexun, Ayinke-Wuqia earthquake regions. In the same subplate or block, the earthquake periods for each earthquake region are similar in time interval. The constant αin model can be used to describe the intensity of regional seismicity, and for the Chinese Mainland, α is 0.4 generally. To the seismicity in Taiwan and other regions with complex tectonic conditions, the model does not fit well at present.关键词
seismicity acceleration model subcritical crack growth China earthquake region fitKey words
seismicity acceleration model subcritical crack growth China earthquake region fit分类
天文与地球科学引用本文复制引用
..Seismicity acceleration model and its application to several earthquake regions in China[J].地震学报（英文版）,1999,12(1):35-45,11.基金项目
This study is sponsored by Chinese Joint Seismological Science Foundation (198044), New Zealand Asia 2000 Plan and IGNS agency. （198044）
