Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2017GL074323 |
Off-fault deformations and shallow slip deficit from dynamic rupture simulations with fault zone plasticity | |
Roten, D.; Olsen, K. B.; Day, S. M. | |
2017-08-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:15 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Kinematic source inversions of major (M >= 7) strike-slip earthquakes show that the slip at depth exceeds surface displacements measured in the field, and it has been suggested that this shallow slip deficit (SSD) is caused by distributed plastic deformation near the surface. We perform dynamic rupture simulations of M 7.2-7.4 earthquakes in elastoplastic media and analyze the sensitivity of SSD and off-fault deformation (OFD) to rock quality parameters. While linear simulations clearly underpredict observed SSD and OFDs, nonlinear simulations for a moderately fractured fault damage zone predict a SSD of 44-53% and OFDs of 39-48%, consistent with the 30-60% SSD and 46 +/- 10% (1 sigma) OFD reported for the 1992 M 7.3 Landers earthquake. Both SSD and OFDs are sensitive to the quality of the fractured rock mass inside the fault damage zone, and surface rupture is almost entirely suppressed in poor quality material. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000408379000020 |
WOS关键词 | SAN-ANDREAS FAULT ; FIELD POSTSEISMIC DEFORMATION ; RATE-WEAKENING FRICTION ; 17 AUGUST 1999 ; HECTOR MINE ; GROUND-MOTION ; NEAR-FIELD ; EARTHQUAKE RUPTURES ; LANDERS EARTHQUAKE ; COSEISMIC DEFORMATION |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/28676 |
专题 | 气候变化 |
作者单位 | San Diego State Univ, Dept Geol Sci, San Diego, CA 92182 USA |
推荐引用方式 GB/T 7714 | Roten, D.,Olsen, K. B.,Day, S. M.. Off-fault deformations and shallow slip deficit from dynamic rupture simulations with fault zone plasticity[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(15). |
APA | Roten, D.,Olsen, K. B.,&Day, S. M..(2017).Off-fault deformations and shallow slip deficit from dynamic rupture simulations with fault zone plasticity.GEOPHYSICAL RESEARCH LETTERS,44(15). |
MLA | Roten, D.,et al."Off-fault deformations and shallow slip deficit from dynamic rupture simulations with fault zone plasticity".GEOPHYSICAL RESEARCH LETTERS 44.15(2017). |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论