【摘要】 2002年8月3日沙城ML 4.4地震是该年7个月以来,首都圈地区发生的显著地震,虽然该地震震级不大,但怀来台体应变的短临异常十分显著。作者主要介绍了该地震前体应变异常特征,同时介绍了地下流体测项阳原三马坊数字气氡异常和怀4井水汞异常及预报情况。更多还原

【Abstract】 Shacheng ML 4.4 magnitude earthquake on August 3, 2002 is a remarkable earthquake in the Capital area in that year. Although its magnitude is not large, the short-term and impend anomalies of body stain in Huailai seismic station is significant. In this paper, the characteristics of the body train anomalies before the earthquake is introduced. The radon anomaly in underground fluid in Sanmafang, Yuanyang and Hg anomaly in Huai4 well are also described.更多还原