Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2017GL074158 |
Seismic characteristics of supershear and sub-Rayleigh earthquakes: Implication from simple cases | |
Zhang, Zhenguo1; Xu, Jiankuan1; Huang, Hanqing2; Chen, Xiaofei1 | |
2017-07-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
![]() |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:13 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | Numerous investigations of supershear earthquakes make a conclusion that a supershear earthquake produces a seismic shock wave on the ground that may increase the resulting destruction. We investigate a supershear rupture promoted by the free surface and find out that although the seismic energy of a supershear earthquake can be transmitted further with large amplitudes, the peak slip velocity on a fault near the free surface is smaller than that caused by a subshear rupture earthquake. Our results show that the free-surface-induced supershear rupture mitigates the amplitudes of ground motions near the fault plane compared with the subshear rupture. The Coulomb failure change derived from dynamic modeling further suggests that this free-surface-induced supershear reduces aftershock potential compared to a subshear rupture. Both ground motion at near-fault and aftershock possibility show low risk for the free-surface-induced supershear rupture earthquake than subshear earthquake, contrary to the traditional concept. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000406257400028 |
WOS关键词 | RUPTURE DYNAMICS ; GROUND MOTION ; SHEAR CRACKS ; FAULT ; SIMULATIONS ; TRANSITION ; VELOCITY ; SURFACE ; MODELS |
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/26690 |
专题 | 气候变化 |
作者单位 | 1.Southern Univ Sci & Technol, Dept Earth & Space Sci, Shenzhen, Peoples R China; 2.Univ Sci & Technol China, Sch Earth & Space Sci, Hefei, Anhui, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, Zhenguo,Xu, Jiankuan,Huang, Hanqing,et al. Seismic characteristics of supershear and sub-Rayleigh earthquakes: Implication from simple cases[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(13). |
APA | Zhang, Zhenguo,Xu, Jiankuan,Huang, Hanqing,&Chen, Xiaofei.(2017).Seismic characteristics of supershear and sub-Rayleigh earthquakes: Implication from simple cases.GEOPHYSICAL RESEARCH LETTERS,44(13). |
MLA | Zhang, Zhenguo,et al."Seismic characteristics of supershear and sub-Rayleigh earthquakes: Implication from simple cases".GEOPHYSICAL RESEARCH LETTERS 44.13(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