Seismic signature of mudflow tremor resulted from Brumadinho (Brazil) tailings dam failure

Journal article


Hussain, Yawar, Hamza, Omar, Huang, Xinghui, Silva, André Carlos, Condori, Cristobal, Uagoda, Rogério and Cavalcante, André Luís Brasil 2020. Seismic signature of mudflow tremor resulted from Brumadinho (Brazil) tailings dam failure. REM: International Engineering Journal. 73 (3), pp. 421-424. https://doi.org/10.1590/0370-44672019730040
AuthorsHussain, Yawar, Hamza, Omar, Huang, Xinghui, Silva, André Carlos, Condori, Cristobal, Uagoda, Rogério and Cavalcante, André Luís Brasil
Abstract

Mudflow is often associated with seismic activities. The present study applied a seismic based detection of the surface waves generated by the mudflow of Brumadinho dam collapse using records of Brazilian Seismographic Network. The signal envelope and time-frequency spectrograms of the mudflow signals were used in the analysis. As a result, the mudflow signals were successfully detected from the data recorded at a nearby seismic station. The findings of this study provide a good basis for future research to develop a flood early warning system based on cost-effective, remote and contentious seismic monitoring approaches.

Keywordsenvelope; spectrogram; flood early warning system
Year2020
JournalREM: International Engineering Journal
Journal citation73 (3), pp. 421-424
PublisherFundação Gorceix, Brazil
ISSN2448-167X
Digital Object Identifier (DOI)https://doi.org/10.1590/0370-44672019730040
Web address (URL)http://hdl.handle.net/10545/625625
http://creativecommons.org/licenses/by/4.0/
hdl:10545/625625
Publication dates22 Jun 2020
Publication process dates
Deposited25 Feb 2021, 08:56
Accepted2020
ContributorsUniversity of Derby, University of Liège, University of Brasília, China Earthquake Networks Center and Universidade Federal de Goiás
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