Campbell Live viewers in Christchurch will all have stories of staying, going, or trying to do both during an earthquake.
The fear that hits you as you realise this is a big one is daunting, and so is trying to cope, again.
At Canterbury University they're trying to help people cope, but to do that they have to replicate the fear an earthquake can create.
John Sellwood checks out an earthquake simulator that scares people for their own good.
Watch the video for the full story.