河北省测震台网中小地震矩震级的测定

摘要

Based on digital seismic waveform data from Hebei seismic network, source spectrum parameters of 62 small and moderate earthquakes form December 2008 to April 2010 are derived, the seismic moment Mo and moment magnitude Mw of the earthquakes are calculated. The relational expression between body wave magnitude ML and moment magnitude M,, of local earthquake are obtained using orthogonal regression method.%利用河北省测震台网的数字地震波形资料,反演了2008年12月至2010年4月62个中小地震的震源波谱参数,计算了这些地震的地震矩M0和矩震级Mw,利用正交回归分析方法得到了近震体波震级ML和Mw之间的关系式.