GNS scientist on overnight earthquake and first Kermadec quake

Published: March 4, 2021, 6:14 p.m.

Let's find out more about the science behind this magnitude 7.1 earthquake and the major 7.4 earthquake in the Kermadecs at 6.40 this morning. John Ristau is seismologist at GNS Science. He spoke to Susie Ferguson.