基于重力值标准差研究长宁6.0级地震活动性

陈挺, 严迪, 杨剑, 廖国忠, 武斌, 冉中禹

A study of seismic activity of Changning Ms 6.0 earthquake based on standard deviation of gravity

Ting CHEN, Di YAN, Jian YANG, Guo-Zhong LIAO, Bin WU, Zhong-Yu RAN

表3 长宁3.0级地震重力仪观测数据统计

Table 3 Statistical table of observation data of the gravimeter of Ms 3.0 earthquake in Changning

序号 观测日期 观测开始 时间 观测持续时间 DUR值 /s 经固体潮和零漂改正 后的重力值 /(10-5 m·s-2) 仪器记录S.D. /(10-5 m·s-2) 舍弃数量 REJ值/% 仪器号 1 2019/7/23 22:19:42 60 4844.925 0.02 26 41036# 2 2019/7/23 22:21:02 60 4844.931 0.02 17 3 2019/7/23 22:22:22 60 4844.93 0.014 14 4 2019/7/23 22:23:42 60 4844.932 0.023 9 5 2019/7/23 22:25:02 60 4844.952 0.384 29 6 2019/7/23 22:26:22 60 4844.934 0.066 0 7 2019/7/23 22:27:42 60 4844.933 0.017 0 8 2019/7/23 22:29:02 60 4844.933 0.009 0 9 2019/7/23 22:30:22 60 4844.932 0.014 8 10 2019/7/23 22:31:42 60 4844.935 0.008 14 11 2019/7/23 22:20:02 60 4815.737 0.013 0 40242# 12 2019/7/23 22:21:22 60 4815.737 0.01 2 13 2019/7/23 22:22:42 60 4815.736 0.007 0 14 2019/7/23 22:24:02 60 4815.739 0.01 2 15 2019/7/23 22:25:22 60 4815.762 0.499 26 16 2019/7/23 22:26:42 60 4815.74 0.048 0 17 2019/7/23 22:28:02 60 4815.738 0.011 0 18 2019/7/23 22:29:22 60 4815.737 0.008 0 19 2019/7/23 22:30:42 60 4815.738 0.01 1 20 2019/7/23 22:32:02 60 4815.737 0.011 4