【摘要】 基于中尺度地震实验场高密度数字地震和前兆台网对抚顺老虎台矿两次强矿震进行连续的现场观测，用地震学方法和小波工具分析强矿震孕震过程采集到的数据，提取短临阶段的异常信息；用区域强震震源机制解、强矿震的震源机制解、极近场震源调查、震源高精度定位、现场绝对地应力测量、三维有限差分数值试验方法，分析强矿震的孕震应力场环境和震源机制；通过定量观察采矿与矿震活动的相关性，分析强矿震的直接诱发原因．提出地质构造环境、地应力场和采矿活动共同作用诱发强矿震的机理和局部应力场在孕育该震过程起主导作用、卸荷重力应力场抑或耦合了高压瓦斯的膨胀起主要诱发作用的观点；发现煤炭深部开采条件下，矿震和瓦斯存在密切的相关性，有可能存在一种开采卸荷和高压瓦斯气体膨胀耦合作用诱发的新型矿震——卸胀耦合型矿震；提取到震前短临阶段存在的b6值、η值、频次、波速比等可信的地震学异常和定点潮汐形变前兆异常，对异常信息的提取方法和强矿震短临阶段的预测进行了探讨．更多还原

【Abstract】 Based on field observation of high density digital seismograph and tidal deformation network of meso-scaleseismological experimental site,two strong mining earthquakes in Laohutai coal mine were monitored continuously.The data of strong mining earthquake process is analyzed by seismological methods and wavelet tools,anomalous in-formation on strong mining earthquake is extracted in the short-term and impending stages.By means of focal mecha-nism solution of regional strong earthquake,focal mechanism solution of strong mining earthquake,focus investiga-tion at the nearest field,focus location of high precision,site absolute stress measurement and 3D finite difference nu-merical test,the seismogenic conditions and focal mechanism of strong mining earthquake are analyzed.With the helpof quantitative observation of relativity between mining activity and mining earthquake,analysis is carried out on theinduced factors of mining earthquake.The study points on that the mechanism being of geological structural environ-ment,the stress field and mining activity worked together to induce mining earthquake,and that local stress field playan important role in seismogenic process,that discharged gravitational stress field or coupling of high pressure gasexpand is primary,when induced the mining earthquakes.The consanguineous relativity between mining-inducedearthquakes and gas are found in deep mining,a new kind of mining-induced earthquake induced by coupling of exploi-tation discharge and high pressure gas expand maybe exist.Believable b value,η value,frequency and V_p/V_s ratioseismological anomalies and fixed point tidal deformation anomalies have been extraeted before strong mining earth-quake in the short-term and impending stages.Extraction methods of anomalous information and forecast of strongmining earthquake in the short-term and impending stages are discussed.更多还原