【摘要】 客观地反映了1995年9月20日山东苍山5.2级地震前,发育在苏北地区的各类地形变异常,并进行了相应的分析相探讨,在总结研究前兆的基础上指出综合预报的重要性和在中期趋势异常背景中捕捉短临前兆的必要性。更多还原

【Abstract】 It is objectively reflected, analysed and discussed that different category of ground deformation anomalies developed in the North Jiangsu area prior to Changshan earthquake (Ms = 5. 2, September, 20. 1995). Shandong. It is concluded that comprehensive prediction is important, and the short-immidiate precursor of anomalous background of medium term trendency is necessarily catched , based on suming and studying precursor.更多还原