Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Powerful Quake Strikes Off New Zealand Coast by VOA News A powerful earthquake struck off the coast of New Zealand but there were no immediate reports of damage or injuries. The U.S. Geological Survey said the 7.1-magnitude quake hit early Friday, 169 kilometers northeast of Gisborne.It had a depth of 30 kilometers. The Pacific Tsunami Warning Center in Hawaii said no tsunami of significant strength was expected.