Explainer: How worried should we be about an active faultline?

For most Aucklanders, the natural disaster fear that's front of mind is a tsunami or volcano awakening...but actually it's earthquakes that should top those worries. That's because recently, a faultline close to Auckland was found to be more active than previously thought .. and could in fact, create a magnitude 6.8 earthquake if it ruptured. Here to discuss this and other earthquake related discoveries is Newsroom journalist and earthquake specialist Fox Meyer.