Christchurch Press Infographic: 8 October 2011 (3)

Images, UC QuakeStudies

A chart showing wastewater discharges into Christchurch's waterways.

What Happens When You Have a Saggy Bottom

Images, UC QuakeStudies

A fence along the side of the Avon River near the Retour Restaurant has broken and is leaning towards the river. The photographer comments, "After the Christchurch earthquakes the land moved towards the river Avon and in a lot of places buildings and walls sagged down in the direction of the waterway".

Vulnerability to Seismic Hazards in Coastal and Riverside Communities, map…

Images, UC QuakeStudies

A flow chart depicting potential hazards earthquakes pose to coastal geography.

Sagging in the Middle

Images, UC QuakeStudies

A wooden house in Wainoni has visibly bowed inwards towards its centre. The photographer comments, "During the numerous earthquakes in Christchurch the land which ran alongside the Avon river on Avonside Drive slumped towards the waterway. In a line parallel to the road the road, but around 20m away a ground movement occurred which caused some houses to rise up or sink down".

Cracks in the Veneer

Images, UC QuakeStudies

Large cracks run through the brick cladding of this house in Wainoni. The photographer comments, "During the numerous earthquakes in Christchurch the land which ran alongside the Avon river on Avonside Drive slumped towards the waterway. Houses which were wooden framed and had an external brick veneer started to sink into the liquefied soil. This caused the brick walls to crack, but the houses' occupants though shook up were saved by the wooden framework from the houses collapsing on them".