Powerful New Zealand quake causes local tsunami

WELLINGTON, New Zealand - New Zealand authorities say a powerful earthquake has generated a tsunami, with the first waves hitting the South Island.The department of civil defense warned people all along the country's east coast to move to higher ground.The magnitude-7.8 quake struck just after midnight Sunday near the city of Christchurch. It was at a relatively shallow depth of 10 kilometers (6 miles).Some minor damage was reported in the capital, Wellington, over 200 kilometers (120 miles) awa