Department of Geology


Alpine Fault: 400km rupture - Franz Josef report(this is a scenario, it is not a real earthquake)


Subsidence and strong shaking combined to destroy the Haast River bridge. Several spans have fallen into the river.


The owner of this garage was thankful that his car wasn't inside but he wasn't so lucky when it came to his house.

displaced house

Although the house itself remained more or less intact, the piles collapsed causing a rather dramatic lean.

Rupture length: 400km
Ground movement: 7-9 metres sideways and around 2 metres vertically.
Richter magnitude: M8.2
Epicentre:25km south of Franz Josef