globalchange  > 科学计划与规划
DOI: 10.1002/2016GL069257
论文题名:
The tailings dam failure of 5 November 2015 in SE Brazil and its preceding seismic sequence
作者: Agurto-Detzel H.; Bianchi M.; Assumpção M.; Schimmel M.; Collaço B.; Ciardelli C.; Barbosa J.R.; Calhau J.
刊名: Geophysical Research Letters
ISSN: 0094-9567
EISSN: 1944-9298
出版年: 2016
卷: 43, 期:10
起始页码: 4929
结束页码: 4936
语种: 英语
英文关键词: Brazil ; dam failure ; Samarco ; seismic hazard ; seismic noise ; tailings dam
Scopus关键词: Dams ; Disasters ; Embankment dams ; Failure (mechanical) ; Geophysics ; Seismology ; Soil liquefaction ; Tailings ; Brazil ; Dam failure ; Samarco ; Seismic hazards ; Seismic noise ; Tailings dam ; Earthquakes ; collapse ; dam failure ; earthquake magnitude ; earthquake trigger ; flood ; ground motion ; liquefaction ; safety ; seismic hazard ; spatiotemporal analysis ; tailings dam ; Brazil
英文摘要: The collapse of a mine tailings dam and subsequent flood in SE Brazil on 5 November 2015 was preceded by a small-magnitude seismic sequence. In this report, we explore the spatiotemporal associations between the seismic events and the accident and discuss their possible connection. We also analyze the signals generated by the turbulent mudflow, as recorded by the Brazilian Seismographic Network (RSBR). In light of our observations, we propose as possible contributing factor for the dam collapse either ground shaking and/or soil liquefaction triggered by the earthquakes. The possibility of such a small-magnitude earthquake contributing to the collapse of a tailings dam raises important concerns regarding safety and related legislation of dams in Brazil and the world. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84971290754&doi=10.1002%2f2016GL069257&partnerID=40&md5=fe1fb78f6a8676ad48d0e17bbab4d619
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10530
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Seismology Center, Institute of Astronomy, Geophysics and Atmospheric Sciences, University of São Paulo, São Paulo, Brazil

Recommended Citation:
Agurto-Detzel H.,Bianchi M.,Assumpção M.,et al. The tailings dam failure of 5 November 2015 in SE Brazil and its preceding seismic sequence[J]. Geophysical Research Letters,2016-01-01,43(10).
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