Establishing whether the recent earthquake in South Africa's North West province was purely mining induced, or caused by natural tectonic shifts in the earth's crust, is not a simple matter, experts said during a recent panel discussion hosted by the Council for Scientific and Industrial Research (CSIR) in Pretoria.
It is also possible, they said, that stresses caused by mining triggered a natural event deeper down. This why seismic data always had to be carefully analysed after such events.
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