现将1981年度全世界6级以上及重要地震综合汇编一览表的上半年部份刊载如后(其下半年部份将在本刊的另期刊载)。表中“测定机构”和“资料来源”两栏内的英文缩写字母所代表的有关单位以及有关期刊杂志和通讯社,在此表前分别介绍如下,以供查阅。 The first half of the 1981 list of world-class earthquakes above grade 6 and important earthquakes is now published in the first half (the second half of this edition will be published later in this publication). The relevant units represented by the acronyms in the two columns of “measuring institutes” and “sources of information” in the table, as well as relevant periodicals and news agencies, are listed below for reference.