Volume 19 Issue 2
Apr.  2011
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HUANG Runqiu. 2011: AFTER EFFECT OF GEOHAZARDS INDUCED BY THE WENCHUAN EARTHQUAKE. JOURNAL OF ENGINEERING GEOLOGY, 19(2): 145-151.
Citation: HUANG Runqiu. 2011: AFTER EFFECT OF GEOHAZARDS INDUCED BY THE WENCHUAN EARTHQUAKE. JOURNAL OF ENGINEERING GEOLOGY, 19(2): 145-151.

AFTER EFFECT OF GEOHAZARDS INDUCED BY THE WENCHUAN EARTHQUAKE

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  • Received Date: 2011-03-10
  • Rev Recd Date: 2011-04-10
  • Publish Date: 2011-04-25
  • It was 3 years since the Wenchuan earthquake.A lot of domestic and foreign scholars have conducted a great deal of work on the development and distribution patterns,formation mechanisms and prevention strategies of the geohazards triggered by the Wenchuan earthquake,and have published a lot of research results.Since the frequency and scale of increased markedly,especially in 2010,many researchers are beginning to pay close attention to the occurrence rules,activity trends and duration of geohazards triggered by rainfalls after the Wenchuan earthquake.This paper collected the data pre-and post-earthquake,and analyzed the characteristics and occurrence rules of major geohazards triggered by rainfalls in the last 3years in the Wenchuan earthquake area.Based on this,the duration,activity trends and high risk areas of geohzards in the Wenchuan earthquake areas were analyzed.The preliminary study results indicate geohazard activity in theWenchuan erathquake area will keep still intense in future 20-25 years.In this period of time,geohazard activity level appeared to decline in shock with the cycle of every four or five years.After that,the geological condition will be gradually stable.The high geohazards risk areas will be mainly distributed along the Yingxiu-Beichuan fault,especially in the sections of Genda-Yingxiu in Wenchuan county,Xiaoyudong in Pengzhou county,Hongbai,Shifang county-Chaping,Anxian county,Leigu-Chenjiaba in Beichuan county and Donghekou-Woqian in Qingchuan county.
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