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DOI | 10.1029/2020GL087985 |
Bifurcations at the Stability Transition of Earthquake Faulting | |
Deepa Mele Veedu; Carolina Giorgetti; Marco Scuderi; Sylvain Barbot; Chris Marone; Cristiano Collettini | |
2020-09-14 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2020 |
英文摘要 | Tectonic faults typically break in a single rupture mode within the range of styles from slow slip to dynamic earthquake failure. However, in increasingly well‐documented instances, the same fault segment fails in both slow and fast modes within a short period, as in the sequences that culminated in the 2011 Mw=9.0 Tohoku‐Oki, Japan and 2014 Mw=8.2 Iquique, Chile earthquakes. Why slow slip alternates with dynamic rupture in certain regions but not in others is not well understood. Here, we integrate laboratory experiments and numerical simulations to investigate the physical conditions leading to cycles where the two rupture styles alternate. We show that a bifurcation takes place near the stability transition with sequences encompassing various rupture modes under constant loading rate. The range of frictional instabilities and slip cycles identified in this study represent important end‐members to understand the interaction of slow and fast slip on the same fault segment. |
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/295303 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Deepa Mele Veedu,Carolina Giorgetti,Marco Scuderi,et al. Bifurcations at the Stability Transition of Earthquake Faulting[J]. Geophysical Research Letters,2020. |
APA | Deepa Mele Veedu,Carolina Giorgetti,Marco Scuderi,Sylvain Barbot,Chris Marone,&Cristiano Collettini.(2020).Bifurcations at the Stability Transition of Earthquake Faulting.Geophysical Research Letters. |
MLA | Deepa Mele Veedu,et al."Bifurcations at the Stability Transition of Earthquake Faulting".Geophysical Research Letters (2020). |
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