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DOI | 10.1002/2017GL075039 |
Creep and slip: Seismic precursors to the Nuugaatsiaq landslide (Greenland) | |
Poli, Piero | |
2017-09-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:17 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Precursory signals to material's failure are predicted by numerical models and observed in laboratory experiments or using field data. These precursory signals are a marker of slip acceleration on weak regions, such as crustal faults. Observation of these precursory signals of catastrophic natural events, such as earthquakes and landslides, is necessary for improving our knowledge about the physics of the nucleation process. Furthermore, observing such precursory signals may help to forecast these catastrophic events or reduce their hazard. I report here the observation of seismic precursors to the Nuugaatsiaq landslide in Greenland. Time evolution of the detected precursors implies that an aseismic slip event is taking place for hours before the landslide, with an exponential increase of slip velocity. Furthermore, time evolution of the precursory signals' amplitude sheds light on the evolution of the fault physics during the nucleation process. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000411702400018 |
WOS关键词 | EARTHQUAKE ; NUCLEATION ; FAILURE ; MOMENT |
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/26893 |
专题 | 气候变化 |
作者单位 | MIT, Dept Earth Atmospher & Planetary Sci, 77 Massachusetts Ave, Cambridge, MA 02139 USA |
推荐引用方式 GB/T 7714 | Poli, Piero. Creep and slip: Seismic precursors to the Nuugaatsiaq landslide (Greenland)[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(17). |
APA | Poli, Piero.(2017).Creep and slip: Seismic precursors to the Nuugaatsiaq landslide (Greenland).GEOPHYSICAL RESEARCH LETTERS,44(17). |
MLA | Poli, Piero."Creep and slip: Seismic precursors to the Nuugaatsiaq landslide (Greenland)".GEOPHYSICAL RESEARCH LETTERS 44.17(2017). |
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