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根据分析预报工作的需要,我们从1980年8月开始把我国东部各区域台网测定的一级(M_L)以上的地震汇编成“中国东部地震月报目录”供大家应用。目前对五级以下的地震采录震中所在的区域台网确定的参数。为了使这份目录成为在时间域和空间域两方面都有一定连续性和可比性的资料,有必要对各区域台网测定的参数进行对比,并加以改进和提高。本文讨论近震震级的对比。
According to the needs of the analysis and forecast work, we started to compile the first-class (M_L) earthquakes measured by various regional networks in the eastern part of our country into the “Monthly Earthquake Catalog of East China Earthquake” for your application from August 1980. At present, the parameters determined by the regional network where the epicenter of earthquakes recorded below the level 5 is located. In order to make this list a consistent and comparable data in both time and space domains, it is necessary to compare and improve and improve the parameters measured by various regional networks. This article discusses the comparison of near-Earthquake magnitude.