A massive 6.8 magnitude earthquake has hit New Zealand's Riverton coast on Tuesday. The United States Geological Survey (USGS) first reported the magnitude to be 7, but later revised it to 6.8. The ...

A magnitude 6.8 earthquake that rocked the bottom of the South Island struck in a seismic environment poorly understood by scientists – but which poses a major tsunami hazard. The 2.43pm quake ...