Powerful aftershocks continued to rattle Chile's Antofagasta copper-producing region Nov. 15, although most of the country's copper mines have restarted operations. However, it is important to keep an eye on Chile's second fault line.
Powerful aftershocks continued to rattle Chile’s Antofagasta copper-producing region Nov. 15. The largest one — a 6.8 magnitude quake that occurred at 12:06 p.m. local time — had just about one-tenth the power of the whopper that struck one day earlier.