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DOI | 10.1029/2019GL084357 |
Deep Low-Frequency Earthquakes Beneath the Hakone Volcano, Central Japan, and their Relation to Volcanic Activity | |
Yukutake, Y.; Abe, Y.; Doke, R. | |
2019-10-21 | |
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 | Deep low-frequency earthquakes (DLFEs) are ubiquitous seismic activities in the deep parts of volcanoes. Owing to the low signal-to-noise ratio, the seismic activities of DLFEs have not been characterized in detail; particularly, the linkage between DLFEs and shallow volcanic activity has not been understood sufficiently. In this study, numerous DLFEs have been successfully detected beneath the Hakone volcano, central Japan, by cross-correlating a template to the continuous seismic signals. The resulting seismic catalog reveals that DLFEs are activated prior to notable earthquake swarms in the shallow part of a volcano and to the crustal expansion caused by a pressure source at a depth of 7 km. Results indicate that the activation of DLFEs reflects the feeding of magmatic fluid from depth. The subsequent increment in the magmatic-fluid pressure triggers shallow volcanic activities. |
英文关键词 | volcano deep low-frequency earthquake |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000491764400001 |
WOS关键词 | TREMOR |
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/187732 |
专题 | 气候变化 |
作者单位 | Kanagawa Prefectural Govt, Hot Springs Res Inst, Odawara, Kanagawa, Japan |
推荐引用方式 GB/T 7714 | Yukutake, Y.,Abe, Y.,Doke, R.. Deep Low-Frequency Earthquakes Beneath the Hakone Volcano, Central Japan, and their Relation to Volcanic Activity[J]. GEOPHYSICAL RESEARCH LETTERS,2019. |
APA | Yukutake, Y.,Abe, Y.,&Doke, R..(2019).Deep Low-Frequency Earthquakes Beneath the Hakone Volcano, Central Japan, and their Relation to Volcanic Activity.GEOPHYSICAL RESEARCH LETTERS. |
MLA | Yukutake, Y.,et al."Deep Low-Frequency Earthquakes Beneath the Hakone Volcano, Central Japan, and their Relation to Volcanic Activity".GEOPHYSICAL RESEARCH LETTERS (2019). |
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