Only 10 months after a devastating earthquake that killed nearly 200, the New Zealand city of Christchurch was struck by several quakes Friday. The earthquake, initially measured to be 5.8 magnitude, hit in the midst of the Christmas shopping rush, sending people into a panic. Several strong aftershocks were also reported. There were instances of rock falls, but no casualties. Dozens of people are being treated for injuries, as well as panic attacks. The previous quake in February was 6.3 magnitude, cost $20 billion, and killed 182.