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东北地区近震震级研究
引用本文:王军亮,郭明珠.东北地区近震震级研究[J].东北地震研究,1999,15(1):24-28.
作者姓名:王军亮  郭明珠
作者单位:吉林省地震局!长春130022
摘    要:实际观测表明,用现行短周期仪器起算函数R1测算的近震震级ML在近距离地段数值偏低,在远距离地段偏高,随震中距出现系统偏差。本文以里克特(1935)零震级地震定义为震级水平控制原则,应用了辽,吉,黑,冀四省地震台网的观测资料,制定出东北地区近震震级起算函数系统。

关 键 词:近震  震级  起算函数  零点控制  东北地区

RESEARCH ON NEAR EARTHQUAKE MAGNITUDE IN NORTHEAST CHINA AREA
Wang Junliang, Guo Mingzhu, Chi Tianfeng, Yu Xiumei, Qiao Bing, Cai Honglei.RESEARCH ON NEAR EARTHQUAKE MAGNITUDE IN NORTHEAST CHINA AREA[J].Seismological Research of Northeast China,1999,15(1):24-28.
Authors:Wang Junliang  Guo Mingzhu  Chi Tianfeng  Yu Xiumei  Qiao Bing  Cai Honglei
Abstract:A large amount of data indicate that the near earthquake magnitudes determined by the calibrationfunction system R (l) show a systematic deviation along with epicenter distance. We adopt the control principle ofthe zero earthquake magnitude defined by Richter(1935) and apply the observations of seismic station network inLiaoning,Jilin, Heilonaiiang aand Hebei province to determining calibration ftjnction system of near earthquakemagnitude in Northeast China arel There is not systematic deviation along with epicenter distance by applying thefunction system to computing near earthquake magnitude balL.
Keywords:Near earthquake magnitude  Calibration function  Zero magnitude control  Magnitude homogeneity  
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