Chile a million people lost their homes. The earthquake was also followed by multiple aftershocks. Initial damage estimates were in the range of US$15–30 billion, around 10 to 15 percent of Chile's real gross domestic product. Chile achieved global recognition for the successful rescue of 33 trapped miners in 2010. On 5 August 2010 the access tunnel collapsed at the San José copper and gold mine in the Atacama Desert near Copiapó in northern Chile, trapping 33 men below ground. A rescue effort organized by the Chilean government located the miners 17 days later. All 33 men were brought to the
Center Rock Center Rock Center Rock, Inc. is a manufacturer of drilling equipment headquartered in Berlin, Pennsylvania. The company was founded in 1998 by Brandon W. Fisher. Center Rock made headlines in 2002 when its equipment was instrumental in the Quecreek Mine Rescue in Pennsylvania, in which nine miners were rescued after being trapped for 78 hours in a flooded mine. In 2010, Center Rock assisted in the rescue of 33 miners trapped for 69 days as a result of the Copiapó mining accident in Chile. The company provided a special hammer bit for the drill that enabled a rescue shaft to