地震学报2012，Vol.34Issue(5)：611-620,10.DOI:10.3969/j.issn.0253-3782.2012.05.003
汶川Ms8.0地震北川附近同震和震后垂直位移特征
Co- and post-seismic vertical displacements of Wenchuan Ms8.0 earthquake near Beichuan
摘要
Abstract
Co- and post-seismic vertical displacements of the Wenchuan MS8. 0 earthquake, derived from pre-seismic leveling data and two measurements in 2008 and 2010 along two first-order leveling lines near Beichuan, show the following features: Co-seismic displacement along Beichuan-Yingxiu fault was as large as 4. 711 m near Beichuan, where the maximum observed fault offset was 5. 1 m. In contrast, the observed co-seismic offset of the Qingchuan fault in Pingwu County was only 0.064 m. From 2008 to 2010, the post-seismic displacement rate was 5—27 mm/a near Beichuan—Yingxiu fault in Beichuan area, 20.6 mm/a at Jiangyou-Guangyuan fault near Dakang, and only 0. 2— 1. 3 mm/a at Qingchuan fault near Gucheng.关键词
汶川Ms8.0地震/同震垂直位移/震后垂直位移/水准测量/北川Key words
Wenchuan MS8.0 earthquake/ co-seismic vertical displacement/ post-seismic vertical displacement/ leveling/ Beichuan分类
天文与地球科学引用本文复制引用
董运洪,罗三明,韩月萍,陈长云..汶川Ms8.0地震北川附近同震和震后垂直位移特征[J].地震学报,2012,34(5):611-620,10.基金项目
中国地震局地震科技星火计划(XH12069)和地震行业科研专项重大项目(200908029)资助. （XH12069）
