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乌鲁木齐地区重力非潮汐变化及其与地震活动的关系
NON TIDAL GRAVITY CHANGE AND ITS RELATION TO SEISMICITY IN URUMQI AREA
【摘要】 对乌鲁木齐地区17期高精度流动重力重复测量资料用“LGADJ”软件进行了数据处理,根据各项改正后的重力点值变化,对测区附近发生的阿拉沟5.2级地震、和静5.7级地震和乌苏5.3级地震前后的重力变化特点进行了分析,探讨了重力变化的机制及其与地震活动的关系
【Abstract】 The data of 17 periods of repeated gravity measurement in Urumqi network are processed by use of the “LGADJ” software.Taking 3 earthquakes (Alagou’s of M s 5.2,Hejing’s of M s 5.7 and Wusu’s of M s 5.8) as examples, the characteristics of gravity change before earthquake are analyzed in accordance with the gravity point value change obtained through above processing, and the regional tectonic movement,mechanism of gravity change and the relation between the change and seismic process are explored.
- 【文献出处】 地壳形变与地震 ,CRUSTAL DEFORMATION AND EARTHQUAKE , 编辑部邮箱 ,1996年04期
- 【分类号】P315.2
- 【被引频次】4
- 【下载频次】39