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DOI | 10.1029/2019GL085010 |
Ordinary and Slow Earthquakes Reproduced in a Simple Continuum System With Stochastic Temporal Stress Fluctuations | |
Aso, Naofumi1,2; Ando, Ryosuke2; Ide, Satoshi2 | |
2019-12-17 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
文章类型 | Article;Early Access |
语种 | 英语 |
国家 | Japan |
英文摘要 | Earthquakes are complex and diverse, ranging from energetic and destructive megathrust earthquakes to slow earthquakes. Complex earthquake rupture processes are generally modeled by prescribing a deterministic system and solving deterministic differential equations. However, such approaches cannot adequately capture the temporal evolution of a complex fault system because of the inherent unpredictability that results from various unprescribed processes. Such unpredictability may be better represented by time-dependent stochastic fluctuations in addition to the deterministic estimates. Here, we demonstrate that the consideration of time-dependent stochastic stress fluctuations in ordinary crack simulations can reproduce a variety of ruptures, including both crack-like and pulse-like ordinary (fast) earthquakes and slow earthquakes, by simply changing the strength drop and the initial stress level. The results indicate that stochasticity is effective for reproducing and better understanding the diversity of earthquakes, including slow earthquakes. |
英文关键词 | Seismology Stochasticity |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000502867800001 |
WOS关键词 | RUPTURE PROPAGATION ; WEAKENING FRICTION ; FAULT MODEL ; SLIP ; COMPLEXITY ; DYNAMICS ; TREMOR ; ZONES ; CRACK ; LAW |
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/225209 |
专题 | 环境与发展全球科技态势 |
作者单位 | 1.Tokyo Inst Technol, Sch Sci, Dept Earth & Planetary Sci, Tokyo, Japan; 2.Univ Tokyo, Sch Sci, Dept Earth & Planetary Sci, Tokyo, Japan |
推荐引用方式 GB/T 7714 | Aso, Naofumi,Ando, Ryosuke,Ide, Satoshi. Ordinary and Slow Earthquakes Reproduced in a Simple Continuum System With Stochastic Temporal Stress Fluctuations[J]. GEOPHYSICAL RESEARCH LETTERS,2019. |
APA | Aso, Naofumi,Ando, Ryosuke,&Ide, Satoshi.(2019).Ordinary and Slow Earthquakes Reproduced in a Simple Continuum System With Stochastic Temporal Stress Fluctuations.GEOPHYSICAL RESEARCH LETTERS. |
MLA | Aso, Naofumi,et al."Ordinary and Slow Earthquakes Reproduced in a Simple Continuum System With Stochastic Temporal Stress Fluctuations".GEOPHYSICAL RESEARCH LETTERS (2019). |
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