Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2017GL075213 |
Strong SH-to-Love Wave Scattering off the Southern California Continental Borderland | |
Yu, Chunquan1; Zhan, Zhongwen1; Hauksson, Egill1; Cochran, Elizabeth S.2 | |
2017-10-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:20 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Seismic scattering is commonly observed and results from wave propagation in heterogeneous medium. Yet deterministic characterization of scatterers associated with lateral heterogeneities remains challenging. In this study, we analyze broadband waveforms recorded by the Southern California Seismic Network and observe strongly scattered Love waves following the arrival of teleseismic SH wave. These scattered Love waves travel approximately in the same (azimuthal) direction as the incident SH wave at a dominant period of similar to 10 s but at an apparent velocity of similar to 3.6 km/s as compared to the similar to 11 km/s for the SH wave. Back projection suggests that this strong scattering is associated with pronounced bathymetric relief in the Southern California Continental Borderland, in particular the Patton Escarpment. Finite-difference simulations using a simplified 2-D bathymetric and crustal model are able to predict the arrival times and amplitudes of major scatterers. The modeling suggests a relatively low shear wave velocity in the Continental Borderland. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000416761600015 |
WOS关键词 | GEOPHYSICAL EVIDENCE ; GROUND-MOTION ; SURFACE-WAVES ; SEISMIC CODA ; EARTHQUAKES ; TOPOGRAPHY ; COMPLEX ; ARRAY |
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/26264 |
专题 | 气候变化 |
作者单位 | 1.CALTECH, Seismol Lab, Pasadena, CA 91125 USA; 2.US Geol Survey, Earthquake Sci Ctr, Pasadena, CA 91106 USA |
推荐引用方式 GB/T 7714 | Yu, Chunquan,Zhan, Zhongwen,Hauksson, Egill,et al. Strong SH-to-Love Wave Scattering off the Southern California Continental Borderland[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(20). |
APA | Yu, Chunquan,Zhan, Zhongwen,Hauksson, Egill,&Cochran, Elizabeth S..(2017).Strong SH-to-Love Wave Scattering off the Southern California Continental Borderland.GEOPHYSICAL RESEARCH LETTERS,44(20). |
MLA | Yu, Chunquan,et al."Strong SH-to-Love Wave Scattering off the Southern California Continental Borderland".GEOPHYSICAL RESEARCH LETTERS 44.20(2017). |
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