pt; mso-font-kerning: 1.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: ’Times New Roman’" lang=EN-US>Detailed Mapping of Surface Rupture of the Wenchuan Ms8.0 Earthquake near Hongkou and Seismotectonic Implications
详细信息
- 责任者：Liu Jing (Institute of Tibetan Plateau Research ; Chinese Academy of Sciences ; Beijing 100085 ; China) ; Sun Jie
- 刊名：Quaternary Sciences
- 出版年：2010
- 卷期：30(1)
- 关键词：汶川地震2008 ; Wenchuan earthquake 2008 ; 破裂 ; rupture ; 龙门山断裂带 ; Longmenshan Fault Zone
- 页码：p.1-29
- 图表：illus., 1 table,45 refs.
- 分类号：0500
- issnNo：ISSN1001-7410
- isbnNo：CN11-2708/P
摘要
pt; mso-font-kerning: 1.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: ’Times New Roman’" lang=EN-US>In this paperpt; mso-font-kerning: 1.0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: ’Times New Roman’">，pt; mso-font-kerning: 1.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: ’Times New Roman’" lang=EN-US>the authors document effort in fine-pt; mso-font-kerning: 1.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: Verdana" lang=EN-US>scale mapping of the 5.12 Wenchuan earthquake surface rupture on the Yingxiu-Beichuan fault near Hongkou. Surface rupture in this short stretch shows clearly large along-strike variations in both map view geometry and coseismic slipt; mso-font-kerning: 1.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: ’Times New Roman’" lang=EN-US>ps. Based on the discontinuities in slip and geometrypt; mso-font-kerning: 1.0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: ’Times New Roman’">，pt; mso-font-kerning: 1.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: ’Times New Roman’" lang=EN-US>the rupture can be divided into four sectionspt; mso-font-kerning: 1.0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: ’Times New Roman’">，pt; mso-font-kerning: 1.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: ’Times New Roman’" lang=EN-US>from southwest to northeast.pt; mso-font-kerning: 1.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: Verdana" lang=EN-US> pt; mso-font-kerning: 1.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: ’Times New Roman’" lang=EN-US>The authors also discuss the cutting relationship of slickenside striations of two different plunges and their geological and seismological implicationspt; mso-font-kerning: 1.0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: ’Times New Roman’">，pt; mso-font-kerning: 1.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: ’Times New Roman’" lang=EN-US>by pointing out that the curved striations may indicate the low initial shear stress at some localities on the Yingxiu-Beichuan fault before the Wenchuan earthquake.