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Images, eqnz.chch.2010

Aftermath of September 4th Earthquake in Canterbury. Shops on Colombo Street in Christchurch. The initial 7.1 quake has been followed by around 1590 aftershocks recorded to date - causing further damage to already weakened structures.

Images, eqnz.chch.2010

The September Canterbury earthquake. These pictures were taken of Colombo Street in Sydenham. A lot of masonry in this area has been damaged/fallen down. Note: these photos were taken on a cellphone; mind the quality.

Images, eqnz.chch.2010

The September Canterbury earthquake. These pictures were taken of Colombo Street in Sydenham. A lot of masonry in this area has been damaged/fallen down. Note: these photos were taken on a cellphone; mind the quality.

Images, eqnz.chch.2010

The September Canterbury earthquake. These pictures were taken of Colombo Street in Sydenham. A lot of masonry in this area has been damaged/fallen down. Churchill tavern. Note: these photos were taken on a cellphone; mind the quality.

Images, eqnz.chch.2010

The September Canterbury earthquake. These pictures were taken of Colombo Street in Sydenham. A lot of masonry in this area has been damaged/fallen down. Churchill Tavern. Note: these photos were taken on a cellphone; mind the quality.

Images, eqnz.chch.2010

The September Canterbury earthquake. These pictures were taken of Colombo Street in Sydenham. A lot of masonry in this area has been damaged/fallen down. Note: these photos were taken on a cellphone; mind the quality.

Images, eqnz.chch.2010

The September Canterbury earthquake. These pictures were taken of Colombo Street in Sydenham. A lot of masonry in this area has been damaged/fallen down. Note: these photos were taken on a cellphone; mind the quality.

Images, eqnz.chch.2010

The twisted and buckled bridge over the river. View looking down the bridge. Damaged from the Christchurch Earthquake Twitter | Facebook |

Images, UC QuakeStudies

Damage to Lyttelton following the 22 February 2011 earthquake. The fish and chip shop on London Street (centre) has a collapsed gable and awning. Bricks, plaster and wood are lying where they fell on the footpath, as well as the broken sign. To the left is the Lava Bar which suffered severe structural damage after the earthquake. To the right, the Coastal Living store can be seen which was open after the September earthquake but pulled down after February.

Research papers, University of Canterbury Library

On 4 September 2010, a magnitude Mw 7.1 earthquake struck the Canterbury region on the South Island of New Zealand. The epicentre of the earthquake was located in the Darfield area about 40 km west of the city of Christchurch. Extensive damage was inflicted to lifelines and residential houses due to widespread liquefaction and lateral spreading in areas close to major streams, rivers and wetlands throughout Christchurch and Kaiapoi. Unreinforced masonry buildings also suffered extensive damage throughout the region. Despite the severe damage to infrastructure and residential houses, fortunately, no deaths occurred and only two injuries were reported in this earthquake. From an engineering viewpoint, one may argue that the most significant aspects of the 2010 Darfield Earthquake were geotechnical in nature, with liquefaction and lateral spreading being the principal culprits for the inflicted damage. Following the earthquake, an intensive geotechnical reconnaissance was conducted to capture evidence and perishable data from this event. This paper summarizes the observations and preliminary findings from this early reconnaissance work.