Seismic repeaters linked to weak rock-mass creep in deep excavation mining

J L Kinscher, F De Santis, N Poiata, P Bernard, Kadek Hendrawan Palgunadi, I Contrucci

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Seismic repeaters are a phenomenon rarely observed in mining environments. In this study, we show that repeaters and associated aseismic slip can be the governing mechanism behind seismic triggering in response to excavation mining, providing new perspectives for rethinking and improving standard procedures for seismic rock burst hazard assessment and mining monitoring. Evidence comes from an extensive multiplet analysis on dense spatio-temporal microseismic event clusters (-2.5 
Original languageEnglish (US)
JournalGeophysical Journal International
DOIs
StatePublished - Mar 25 2020

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: We thank Boliden company for scientific collaboration and support of conducting this project with special thanks to the engineers Shahram Mozaffari and Anders Nyström. We also want to thank Boliden and Ineris technical staff for their on-site and data-management assistance. We thank the partners and community of the thematic core system of anthropogenic hazard (https://tcs.ah-epos.eu/) of the European Plate Observing System (EPOS) project for very fruitful discussions on the study and future perspective to improve monitoring in mining and other industrial environment associated with induced seismicity. For many processing and imaging steps ObsPy tools (Beyreuther et al. 2010) were used.

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