漳县活动断裂带的古地震研究

STUDY ON PALEOEARTHQUAKES OF THE ACTIVE FAULT ZONE IN ZHANGXIAN COUNTY

摘要:

本文介绍了作者对西秦岭北缘断裂带漳县段古地震事件的调查研究结果。该段断裂自晚更新世至全新世以来活动强烈,在全新世早期和中期各发生一起古地震事件,其大震重复间隔为5000年左右。

Abstract:

This paper introduces the results obtained from investigating and studying paleoearthquakes in Zhangxian segment of the northern fringe fault zone of western Qinling Mountain. The fault zone has been strongly, active since the Later Pleistocene-Holocene and one paleoearthquake occurred in early and mid Holocene respectively in the segment. The occurrence interval of large earthquakes is about 5000 years.