Mid Canterbury will shake with a rolling motion for two to three minutes when the Alpine Fault ruptures in coming years.
Shaking could be of the level to make it difficult to stand, as well as causing substantial damage to fragile or unsecured objects, and damaging a few weak buildings.
The Alpine Fault is the focus of attention this week as the New Zealand Journal of Geology and Geophysics has published a special issue with contributions from a range of researchers.
It is 301 years since the last time the fault ruptured, making it overdue for an earthquake, which scientists . . .