Earthquake swarm: Magnitude 6.1 quake hits off coast of North Island, largest since Friday's 7.1

A magnitude 6.1 earthquake has struck off the coast of the North Island, the biggest since Friday morning's magnitude 7.1 earthquake that struck at 2.27am.Today's 6.1 earthquake struck at 1.16pm 140km east of Te Araroa at a depth...