摘要
选取桂、粤、湘,赣、闽五省及其附近地区16个地震31个台站的DD—1短周期地震仪记录资料。用综合回归分析法测定了Lg波传播速度为3.54Kmls,约1秒Lg波埃里相滞弹性衰减系数为r=0.0022±0.0001Km^(-1),并导出五省地区的Lg震级公式: m_(Lg)=LgA_(mxh)+q_s(△)+D_(mh) q_s(△)=5/6Lg△+0.00096△+1.88 计算了该区域内16个地震的各震级值,以及31个台站的台校值。单台震级标准差为0.13～0.15震级单位,台网震级标准差为0.02～0.03震级单位。
In this paper, the data of 16 earthquakes recorded by DD-1 short period seismograph at 31 seismologic stations in and near the five southern provinces of China are used. The Lg wave propogation velocity was determined to be 3.54 km/s by the synthetic regression method.The anelastic attenuation coefficient is found to be 0.0022±0.0001 km-1 for 0.7s Lg Airy phase and the Lg magnitude formulas for this region are deduced as follows: mLg=Lg Amxh + qs(△)+Dmh
where, qs(△) =5/6Lg△+0.00096△ +1.88
The mLg-values of 16 events and 31 stations correction values are calculated accurately in the region. The standard deviation of single station magnitude is 0.13-0.15 magnitude unit, and that of seismograph networh is 0 02-0.03 unit.
出处
《华南地震》
1989年第4期1-9,共9页
South China Journal of Seismology
基金
地震学联合科学基金会部分资助的课题
