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《Inland Earthquake》 2010-02
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ANALYSIS ON HEJING M_S5.6 EARTHQUAKE SEQUENCE ON AUG.30,2008 AND SOME SEISMOLOGICAL ANOMALIES BEFORE THE EARTHQUAKE

NIE Xiao-hong,LI Ying-zhen (Earthquake Administration of Xinjiang Uygur Autonomous Region,Urumqi 830011,Xinjiang,China)  
The author introduces briefly the basic parameters,focal mechanism solution,sequence character and local tectonic stress field of Hejing MS5.6 earthquake on August 30,2008 etc.,and analyzes the middle and short term seismic anomaly characteristics in the source region and its surroundings and related tectonic belt before Hejing MS5.6 earthquake.The result shows that MS5.6 earthquake sequence is main-aftershock type,and the aftershock activity is intermittent and attenuates rapidly,and the focal dislocation is strike-slip type.There exists the long quiescence of MS4 earthquakes,gap of MS3 earthquakes and multi-stations amplitude ratio anomalies in the east of source region before the earthquake.At the same time,there are short-term anomalies for one to three months before the earthquake,i.e.,amplitude ratio anomaly rising,gap broken and seismic window anomaly.According to multi-anomaly variation,we made the accurate forecast on the seismic three factors before the earthquake.
【CateGory Index】: P315.6
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