【摘要】 概述了山东十里泉电厂水汞观测井孔的水文地质条件及其观测情况，分析了山东苍山１９９５年９月２０日５．２级地震前的异常变化特征，指出该井对周围５０ｋｍ左右５级地震具有较好的监测能力。更多还原

【Abstract】 The paper outlined the hydrogeologic condition and the general observational situation of the mercury in water of the observation well of Shiliquan power house in Shandong, analyzed the anomalous variation characters beforr the M5 2 Cangshan earthquake, suggested that these is good reflecting earthquake ability for about M5 0 earthquakes with in 50 km of the well更多还原