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《Sedimentary Geology and Tethyan Geology》 2009-01
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Earthquakes:An insight

LI Jian-zhong1,GUO Yang1,YU Tuan2,ZHU Hua-ping1,WANG Sheng-wei1(1.Chengdu Institute of Geology and Mineral Resources,Chengdu 610082,Sichuan,China;2.Southwest Electric Power Design Institute,Chengdu 610021,Sichuan,China)  
In the light of the types of seismic sequences,time scales of earthquake inductions,waning of seismic waves in the Dujiangyan-Jiangyou fault and crustal structures of the Chengdu plain,the authors contend that the Wenchuan earthquake and subsequent aftershocks have a highly limited effect on the Chengdu plain due to the changes of the crustal stress fields.Particular attention should be drawn to the monitoring of the Xiongpo active fault and the management of construction sites.In general,the macroseismic premonitory anomalies are not always prone to be obviously observed.The anomalous habits of animals,e.g.the migration of toads and frogs,can't be considered as the basis for earthquake forecast.The earthquake inductions remain unclear.Therefore it is impossible for us to predict earthquakes with accuracy at present.
【CateGory Index】: P315
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