Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2021GL095243 |
The 2021 Mw 7.4 Madoi earthquake: an archetype bilateral slip-pulse rupture arrested at a splay fault | |
Kejie Chen; Jean-Philippe Avouac; Jianghui Geng; Cunren Liang; Zhenguo Zhang; Zhicai Li; Shengpeng Zhang | |
2022-01-10 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2022 |
英文摘要 | We combine measurements of ground deformation from Synthetic Aperture Radar images, high-rate GNSS and tele-seismic waveforms to study the rupture kinematics of the Madoi earthquake, which occurred in eastern Tibet on May 21, 2021 and reached a moment magnitude Mw 7.4. The data show nearly pure left-lateral motion along a 170 km long rupture and a total duration of 36s. The earthquake initiated near the middle of the main segment and evolved in a bilateral slip pulse rupture which propagated at a sub-Rayleigh speed of 2.6-2.8 km/s. In our model, slip is concentrated at depth of less than ∼15 km and reaches a maximum of 4.2 m. The rupture arrested ∼10 s after branching on the extensional splay faults at both extremities. The branching onto the splay faults and the eventual arrest of the rupture is used to provide constraints on the fault frictional properties. |
领域 | 气候变化 |
URL | 查看原文 |
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/345098 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Kejie Chen,Jean-Philippe Avouac,Jianghui Geng,et al. The 2021 Mw 7.4 Madoi earthquake: an archetype bilateral slip-pulse rupture arrested at a splay fault[J]. Geophysical Research Letters,2022. |
APA | Kejie Chen.,Jean-Philippe Avouac.,Jianghui Geng.,Cunren Liang.,Zhenguo Zhang.,...&Shengpeng Zhang.(2022).The 2021 Mw 7.4 Madoi earthquake: an archetype bilateral slip-pulse rupture arrested at a splay fault.Geophysical Research Letters. |
MLA | Kejie Chen,et al."The 2021 Mw 7.4 Madoi earthquake: an archetype bilateral slip-pulse rupture arrested at a splay fault".Geophysical Research Letters (2022). |
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