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| Application of apparent stress in earthquake prediction | |
| 引用本文： | 刘红桂 王培玲 杨彩霞 徐戈 孙业军 陈章立 郑斯华. Application of apparent stress in earthquake prediction[J]. 地震学报(英文版), 2007, 20(4): 467-476. DOI: 10.1007/s11589-007-0467-3 |
| 作者姓名： | 刘红桂 王培玲 杨彩霞 徐戈 孙业军 陈章立 郑斯华 |
| 作者单位： | Institute of Geophysics China Earthquake Administration，Earthquake Administration of Qinghai Province，Earthquake Administration of Jiangsu Province，Earthquake Administration of Jiangsu Province，Earthquake Administration of Jiangsu Province，Institute of Earthquake Science，China Earthquake Administration，Institute of Earthquake Science，China Earthquake Administration，Beijing 100081，China，Earthquake Administration of Jiangsu Province，Nanjing 210014 China，Institute of Earthquake Science，China Earthquake Administration Beijing 100036，China，Xining 810001，China，Nanjing 210014，China，Nanjing 210014，China，Nanjing 210014，China，Beijing 100036，China，Beijing 100036，China |
| 基金项目： | Project of National Natural Science Foundation (40574016)，Joint Seismological Science Foundation of China (104047)，Science and Technological Planning Item of Social Development of Jiangsu Province (BS2005069) |
| 摘 要： | On the basis of the assumption that ω2 model accords with source displacement spectra of moderate-small shocks, we calculate the apparent stress values of 1 020 moderate-small shocks recorded by the Digital Seismic Network of Yunnan Province by using the low-frequency flat level and corner frequencies. The results show that the apparent stress is of good significance in earthquake prediction. The moderate-small shock with apparent stress larger than 0.9 MPa can be used as a referential index to predict moderate-strong earthquakes in Yunnan area. And its relevant predictability evaluation (R value) has a high confidence level. |
| 关 键 词： | apparent stress predictability evaluation ω2 model confidence level |
| 文章编号： | 1000-9116（2007）04-0467-10 |
| 收稿时间： | 2006-12-07 |
| 修稿时间： | 2006-12-07 |
Application of apparent stress in earthquake prediction |
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| Liu Hong-gui , Wang Pei-ling , Yang Cai-xia , Xu Ge , Sun Ye-jun , Chen Zhang-li and Zheng Si-hua. Application of apparent stress in earthquake prediction[J]. Acta Seismologica Sinica(English Edition), 2007, 20(4): 467-476. DOI: 10.1007/s11589-007-0467-3 | |
| Authors: | Liu Hong-gui Wang Pei-ling Yang Cai-xia Xu Ge Sun Ye-jun Chen Zhang-li Zheng Si-hua |
| Abstract: | On the basis of the assumption that ω 2 model accords with source displacement spectra of moderate-small shocks, we calculate the apparent stress values of 1 020 moderate-small shocks recorded by the Digital Seismic Network of Yunnan Province by using the low-frequency flat level and corner frequencies. The results show that the apparent stress is of good significance in earthquake prediction. The moderate-small shock with apparent stress larger than 0.9 MPa can be used as a referential index to predict moderate-strong earthquakes in Yunnan area. And its relevant predictability evaluation (R value) has a high confidence level. Contribution No.07FE3012, Institute of Geophysics, China Earthquake Administration. |
| Keywords: | apparent stress predictability evaluation ω 2 model confidence level |
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