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DOI | 10.1029/2019GL084666 |
Migrations and Clusters of Shallow Very Low Frequency Earthquakes in the Regions Surrounding Shear Stress Accumulation Peaks Along the Nankai Trough | |
Takemura, Shunsuke1; Noda, Akemi2; Kubota, Tatsuya2; Asano, Youichi2; Matsuzawa, Takanori2; Shiomi, Katsuhiko2 | |
2019-11-07 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
卷号 | 46期号:21页码:11830-11840 |
文章类型 | Article |
语种 | 英语 |
国家 | Japan |
英文摘要 | The spatiotemporal characteristics of shallow slow earthquake activity are linked to the tectonic environments of shallow plate boundaries. In this work, the spatiotemporal variations of shallow very low frequency earthquake (SVLFE) activity along the Nankai Trough were investigated using a cross-correlation analysis. The SVLFEs migrated or spread eastward along the strike direction of the trench during large SVLFE episodes. Migrations and clusters of SVLFEs suggest the occurrence of shallow slow slip events. The observed lateral variations in SVLFE activity patterns reflect the heterogeneous distributions of effective strengths at the shallow plate boundary along the Nankai Trough. Migrations and clusters of SVLFEs tended to be concentrated in the regions surrounding the stress accumulation peaks on the Philippine Sea Plate boundary. The stress accumulated in the transitional regions between high-strength and low-strength zones can be released by shallow slow earthquakes. |
英文关键词 | Slow earthquake Nankai Trough Stress change rate cross correlation migration |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000494964100001 |
WOS关键词 | SLOW SLIP EVENTS ; HIKURANGI SUBDUCTION ZONE ; SEA-FLOOR ; EPISODIC TREMOR ; SOUTHWEST JAPAN ; PACIFIC COAST ; TOHOKU ; OKI ; PROPAGATION ; DEFICIT |
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/224971 |
专题 | 环境与发展全球科技态势 |
作者单位 | 1.Univ Tokyo, Earthquake Res Inst, Bunkyo Ku, Tokyo, Japan; 2.Tsunami & Volcano Natl Res Inst Earth Sci & Disas, Earthquake & Tsunami Res Div, Network Ctr Earthquake, Tsukuba, Ibaraki, Japan |
推荐引用方式 GB/T 7714 | Takemura, Shunsuke,Noda, Akemi,Kubota, Tatsuya,et al. Migrations and Clusters of Shallow Very Low Frequency Earthquakes in the Regions Surrounding Shear Stress Accumulation Peaks Along the Nankai Trough[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(21):11830-11840. |
APA | Takemura, Shunsuke,Noda, Akemi,Kubota, Tatsuya,Asano, Youichi,Matsuzawa, Takanori,&Shiomi, Katsuhiko.(2019).Migrations and Clusters of Shallow Very Low Frequency Earthquakes in the Regions Surrounding Shear Stress Accumulation Peaks Along the Nankai Trough.GEOPHYSICAL RESEARCH LETTERS,46(21),11830-11840. |
MLA | Takemura, Shunsuke,et al."Migrations and Clusters of Shallow Very Low Frequency Earthquakes in the Regions Surrounding Shear Stress Accumulation Peaks Along the Nankai Trough".GEOPHYSICAL RESEARCH LETTERS 46.21(2019):11830-11840. |
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