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2 长宁4.1级地震重力仪观测数据统计

Table 2 Statistical table of observation data of the gravimeter of Ms 4.1 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 2019/7/22 16:24:14 60 4845.002 0.02 9 41036# 2 2019/7/22 16:25:34 60 4845.001 0.019 19 3 2019/7/22 16:26:54 60 4844.994 1.404 4 4 2019/7/22 16:28:14 60 4844.999 0.199 1 5 2019/7/22 16:29:34 60 4845.000 0.058 1 6 2019/7/22 16:30:54 60 4845.002 0.035 9 7 2019/7/22 16:32:14 60 4845.005 0.023 0 8 2019/7/22 16:33:34 60 4845.003 0.016 4 9 2019/7/22 16:34:54 60 4845.009 0.011 1 10 2019/7/22 16:36:14 60 4845.007 0.01 3 11 2019/7/22 16:24:13 60 4815.736 0.012 0 40242# 12 2019/7/22 16:25:33 60 4815.737 0.018 1 13 2019/7/22 16:26:53 60 4815.728 1.343 1 14 2019/7/22 16:28:13 60 4815.736 0.196 0 15 2019/7/22 16:29:33 60 4815.736 0.052 1 16 2019/7/22 16:30:53 60 4815.736 0.023 0 17 2019/7/22 16:32:13 60 4815.738 0.019 0 18 2019/7/22 16:33:33 60 4815.738 0.011 0 19 2019/7/22 16:34:53 60 4815.739 0.01 0 20 2019/7/22 16:36:13 60 4815.740 0.008 0