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DOI | 10.1002/2018GL077461 |
Seismic Moment, Seismic Energy, and Source Duration of Slow Earthquakes: Application of Brownian slow earthquake model to three major subduction zones | |
Ide, Satoshi1; Maury, Julie2 | |
2018-04-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2018 |
卷号 | 45期号:7页码:3059-3067 |
文章类型 | Article |
语种 | 英语 |
国家 | Japan; France |
英文摘要 | Tectonic tremors, low-frequency earthquakes, very low-frequency earthquakes, and slow slip events are all regarded as components of broadband slow earthquakes, which can be modeled as a stochastic process using Brownian motion. Here we show that the Brownian slow earthquake model provides theoretical relationships among the seismic moment, seismic energy, and source duration of slow earthquakes and that this model explains various estimates of these quantities in three major subduction zones: Japan, Cascadia, and Mexico. While the estimates for these three regions are similar at the seismological frequencies, the seismic moment rates are significantly different in the geodetic observation. This difference is ascribed to the difference in the characteristic times of the Brownian slow earthquake model, which is controlled by the width of the source area. We also show that the model can include non-Gaussian fluctuations, which better explains recent findings of a near-constant source duration for low-frequency earthquake families. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000435743400022 |
WOS关键词 | LOW-FREQUENCY EARTHQUAKES ; RAPID TREMOR REVERSALS ; SLIP ; CASCADIA ; GUERRERO ; BENEATH ; INTERFACE ; LOCATIONS ; EVENTS ; MEXICO |
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/27370 |
专题 | 气候变化 |
作者单位 | 1.Univ Tokyo, Dept Earth & Planetary Sci, Tokyo, Japan; 2.Bur Rech Geol & Minieres, Orleans, France |
推荐引用方式 GB/T 7714 | Ide, Satoshi,Maury, Julie. Seismic Moment, Seismic Energy, and Source Duration of Slow Earthquakes: Application of Brownian slow earthquake model to three major subduction zones[J]. GEOPHYSICAL RESEARCH LETTERS,2018,45(7):3059-3067. |
APA | Ide, Satoshi,&Maury, Julie.(2018).Seismic Moment, Seismic Energy, and Source Duration of Slow Earthquakes: Application of Brownian slow earthquake model to three major subduction zones.GEOPHYSICAL RESEARCH LETTERS,45(7),3059-3067. |
MLA | Ide, Satoshi,et al."Seismic Moment, Seismic Energy, and Source Duration of Slow Earthquakes: Application of Brownian slow earthquake model to three major subduction zones".GEOPHYSICAL RESEARCH LETTERS 45.7(2018):3059-3067. |
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