岫岩MS5.4地震前烟台形变异常特征及机理分析

Abstract

Abstract: By using the methods of direct harmonic analysis and velocity synthesis, the deformation data observed at Yantai monitoring station before and after the M_S5.4 Xiuyan earthquake were analyzed. The results show that short-term deformation anomaly emerged before the event. The anomaly probably is the result of regional stress field enhancement caused by the motion of Weihai-penglai fault triggered by Xiuyan seismogenic fault.

Key words: Xiuyan earthquake, Deformation anomaly, Seismogenic fault, Yantai area

CLC Number:

P315.7

LI Jie, LI Xi-liang, LIU Rui-feng, FAN Jun, ZHAO Xiao-He. Study on the characteristics and mechanism of deformation anomaly in Yantai region before Xiuyan earthquake with M_S5.4[J]. EARTHQUAKE, 2006, 26(3): 71-78.

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Study on the characteristics and mechanism of deformation anomaly in Yantai region before Xiuyan earthquake with M_S5.4

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Study on the characteristics and mechanism of deformation anomaly in Yantai region before Xiuyan earthquake with MS5.4

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Study on the characteristics and mechanism of deformation anomaly in Yantai region before Xiuyan earthquake with M_S5.4