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DOI | 10.1002/2017GL076779 |
Migration of Deep Low-Frequency Tremor Triggered by Teleseismic Earthquakes in the Southwest Japan Subduction Zone | |
Kurihara, Ryo; Obara, Kazushige; Takeo, Akiko; Maeda, Takuto | |
2018-04-28 | |
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:8页码:3413-3419 |
文章类型 | Article |
语种 | 英语 |
国家 | Japan |
英文摘要 | Deep low-frequency tremor triggered by teleseismic surface waves is concentrated in several locations along the ambient tremor source region in the Nankai subduction zone, southwest Japan. We systematically investigated triggered tremor in northern Kii and western Shikoku, at 71 teleseismic earthquakes by applying a matched filter technique. We detected 9 and 17 events of triggered tremor in northern Kii and western Shikoku, respectively. In addition, we observed tremor migration episodes, whose directions were always along-dip. In northern Kii, seven episodes showed downward migration at a speed of 5-20 km/hr. In western Shikoku, six episodes migrated at a speed of 10-100 km/hr, in which five episodes showed upward migration. Migration of the triggered tremor suggests that dynamic stress perturbation from distant earthquakes may trigger propagating creep events caused by fluid. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000435745500012 |
WOS关键词 | NON-VOLCANIC TREMOR ; CASCADIA ; SLIP |
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/28522 |
专题 | 气候变化 |
作者单位 | Univ Tokyo, Earthquake Res Inst, Tokyo, Japan |
推荐引用方式 GB/T 7714 | Kurihara, Ryo,Obara, Kazushige,Takeo, Akiko,et al. Migration of Deep Low-Frequency Tremor Triggered by Teleseismic Earthquakes in the Southwest Japan Subduction Zone[J]. GEOPHYSICAL RESEARCH LETTERS,2018,45(8):3413-3419. |
APA | Kurihara, Ryo,Obara, Kazushige,Takeo, Akiko,&Maeda, Takuto.(2018).Migration of Deep Low-Frequency Tremor Triggered by Teleseismic Earthquakes in the Southwest Japan Subduction Zone.GEOPHYSICAL RESEARCH LETTERS,45(8),3413-3419. |
MLA | Kurihara, Ryo,et al."Migration of Deep Low-Frequency Tremor Triggered by Teleseismic Earthquakes in the Southwest Japan Subduction Zone".GEOPHYSICAL RESEARCH LETTERS 45.8(2018):3413-3419. |
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