【摘要】 叙述了2003年8月16日内蒙巴林左旗附近Ms6.2级和2004年3月24日内蒙东乌珠穆沁旗以北Ms5.9级2次地震前华北及唐山余震区的震兆信息;在“研究地段”内大地震迁移过程中的对称填补性和震情三分律在强震活动时段研究方面的普遍性。本文约定,凡符合此二者都可称为大地震带。更多还原

【Abstract】 Precursory informations in Northern China and Tangshan area are reported before Ba-lin zuoqi earthquake with Ms 6.2 on Aug.16,2003 and east Xiwuzhumuqinqi earthquake with Ms5.9 on Mar.24,2004 in Inner Mongolia,and the symmetric filling in the process of strong earthquake migration and the generalization of trichotomy earthquake situation in macroearthquake activity are also analyzed.According to these features in the paper,we call these belts as large earquake zones.更多还原