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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/6044

Title: Risks posed by large seismic events in the gold mining districts of South Africa
Authors: Durrheim, RJ
Anderson, RL
Cichowicz, A
Ebrahim-Trollope, R
Hubert, G
Kijko, A
McGarr, A
Ortlepp, WD
Van der Merwe, N
Keywords: Natural Disasters
Seismic events
South African gold mining districts
Seismic monitoring
Earthquake monitoring
Mining hazards
Witwatersrand mining
Issue Date: 2011
Publisher: Daya Publishing House
Citation: Durrheim, RJ, Anderson, RL, Cichowicz, A, Ebrahim-Trollope, R, Hubert, G, Kijko, A, McGarr, A, Ortlepp, WD and Van der Merwe, N. Risks posed by large seismic events in the gold mining districts of South Africa. Natural Disasters: Policy Issues and Mitigation Strategies. Daya Publishing House. New Delhi, India
Series/Report no.: Workflow;8788
Abstract: Examining the occurrence of seismic activity in South Africa, the authors point out that the seismic event on 9 March 2005 could be ascribed to past mining, and that seismic events will continue to occur in the gold mining districts as long as deep-level mining takes place and are likely to persist for some time even after mine closure. Seismic monitoring should continue after mine closure, and the seismic hazard should be taken into account when the future use of mining land is considered. The national and local monitoring networks, operated by the Council for Geoscience and mining companies, respectively, are on a par with those installed in seismically active mining districts elsewhere in the world. However, steps should be taken to improve the quality of seismic monitoring and to ensure continuity, especially as mines change hands. The Klerksdorp and Free State gold mining districts are incorporating the risks of seismicity in their disaster management plans, and Johannesburg is urged to do likewise. Some buildings are considered vulnerable to damage by large seismic events, posing safety and financial risks. It is recommended that an earthquake engineer inspect the building stock and review the content and enforcement of building codes. Appropriate training should be provided to all members of emergency services, and drills should be practiced regularly at public buildings to avoid panic should a large seismic event occur.
Description: Copyright: Daya Publishing, New Delhi, India. This is an ABSTRACT ONLY.
URI: http://www.dayabooks.com/index.php?p=sr&Uc=9788170357599
ISBN: 9788170357599
Appears in Collections:Mining and geoscience
Infrastructure engineering
Earth observation
General science, engineering & technology

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