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

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 mudf...

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Bibliographic Details
Published inREM - International Engineering Journal Vol. 73; no. 3; pp. 421 - 424
Main Authors Hussain, Yawar, Hamza, Omar, Huang, Xinghui, Silva, André Carlos, Condori, Cristobal, Uagoda, Rogério, Cavalcante, André Luís Brasil
Format Journal Article
LanguageEnglish
Published Fundação Gorceix 01.09.2020
Subjects
ENGINEERING, MECHANICAL
envelope
flood early warning system
GEOLOGY
MECHANICS
METALLURGY & METALLURGICAL ENGINEERING
spectrogram
spectrogram
envelope
flood early warning system
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Summary: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.
ISSN:2448-167X
2448-167X
DOI:10.1590/0370-44672019730040