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Images, UC QuakeStudies

Damage to River Road in Richmond. The road surface is badly cracked and slumped, and liquefaction silt covers part of the road. The photographer comments, "Liquefaction in River Rd. This is minor compared to many streets in town".

Images, UC QuakeStudies

A digitally manipulated photograph of the bottom of Victoria Lake in Hagley Park. The photographer comments, "After the Christchurch earthquake in February 2011, Victoria Lake suffered some cracking which broke the previous clay seal. The lake has now been excavated so that the new clay seal can be spread out and flattened ready to be filled again with water. The red pile is the clay and in the background is the grey silt or liquefaction that spewed into the lake from cracks in the lake bed".

Images, UC QuakeStudies

Workers inspect a broken sewerage line in New Brighton. The photographer comments, "After the Christchurch earthquake on 23 December 2011 the sewer pipe got badly damaged at New Brighton and was leaking into the Avon River. I think the guy was worried about the fast flow causing him to fill his boots rather than the depth".

Images, UC QuakeStudies

Dried liquefaction silt in North New Brighton. The photographer comments, "This is the result of liquefaction which spewed out after the double earthquake in Christchurch. Having flowed into a shallow depression that was deep enough for a fair quantity of the silty liquid to settle and separate: the heavy sand below and a talcum powder like substance on top. Some of these are so delicate that a mouse crossing them would probably crack them. Here the sun has dried them out and they have contracted and curled up towards their centres".

Images, UC QuakeStudies

Part of the forecourt at the Shell Shirley petrol station has lifted above the rest, after the underground petrol tanks were pushed upwards by liquefaction. Liquefaction silt covers the lower part of the forecourt. The photographer comments, "Tanks at Shell Shirley floated out of the ground".