【摘要】 分析了2005年2月15日乌什6.3级地震前乌什地区的地震活动和前兆异常。乌什6.3级地震前,乌什—柯坪地区中小地震活动有明显的增强—平静过程,符合柯坪块体6级地震轮回规律。研究表明,震前乌什附近地区有5项地震学参数空间扫描和5项地震学参数时间进程存在中短期异常,且存在阿合奇台地倾斜EW分量年变形态改变、固体潮汐畸变和巴楚地应力观测值大幅度波动等前兆异常。更多还原

【Abstract】 The seismic activity and precursory anomalies in Wushi region before Wushi Ms6.3 earthquake on Feb.15,2005 are analyzed,the activity of middle-small earthquakes shows strength-quietness process,and this agrees with the active regular of Ms≥6.0 earthquakes in Keping block. The result shows there are middle-short term anomalies of five seismic spatial parameters and five temporal parameters in Wushi region,and the annual deformation of Aheqi tilt changed in EW direction,solid tide and Bachu ground stress are anomalies before Wushi Ms6.3 earthquake.更多还原