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Images for February 2011; more images...

Images, UC QuakeStudies

Water flows down the driveway of a house in Richmond. The photographer comments, "Tom and Yvonne McBrearty's house. This lovely house is now on an island in a creek. The water from Dudley Creek found its way to the Avon through their yard. It stopped flowing after two days".

Images, UC QuakeStudies

Damage to a house in Richmond. The brick wall is badly cracked and twisted, and some bricks have fallen, exposing the lining paper and framing below. The photographer comments, "These photos show our old house in River Rd and recovery work around Richmond and St Albans. I think it's broken".

Images, UC QuakeStudies

The Arts Centre photographed shortly after the 22 February 2011 earthquake. A large crack can be seen in the tower and part of the brickwork around the clock has collapsed onto the pavement below. Scaffolding was placed up against the building after the 4 September 2010 earthquake and the gable was braced with wooden planks. This probably limited the damage to this part of the building. The building has been cordoned off with tape reading, 'Danger keep out'. A sign in front of the door reads, 'Site closed'.

Research papers, The University of Auckland Library

Following the magnitude 6.3 aftershock in Christchurch, New Zealand, on 22 February 2011, a number of researchers were sent to Christchurch as part of the New Zealand Natural Hazard Research Platform funded “Project Masonry” Recovery Project. Their goal was to document and interpret the damage to the masonry buildings and churches in the region. Approximately 650 unreinforced and retrofitted clay brick masonry buildings in the Christchurch area were surveyed for commonly occurring failure patterns and collapse mechanisms. The entire building stock of Christchurch, and in particular the unreinforced masonry building stock, is similar to that in the rest of New Zealand, Australia, and abroad, so the observations made here are relevant for the entire world.

Images, UC QuakeStudies

Damage to a house in Richmond. Stucco underneath a window has cracked, and the foundation appears to be on a lean. The photographer comments, "These photos show our old house in River Rd and recovery work around Richmond and St Albans. The bay window of our bedroom has jumped off the foundations, cracking the stucco".

Images, UC QuakeStudies

A large crack in the road surface at the intersection of Medway Street and River Road, where River Road has slumped towards the river. The photographer comments, "Medway Street is a buckled mess of broken seal and liquefaction. 79 Medway St is on the right - taken at the corner of Medway St and River Rd".

Images, UC QuakeStudies

Water and liquefaction flows into the Avon River in Richmond. The water level is very high, and the water is cloudy with silt. The photographer comments, "Water from Dudley Creek took a shortcut across the road into the Avon. It doesn't have much of a drop from the road to the river".

Images, UC QuakeStudies

Water and liquefaction run down the driveway of a house in Richmond. The driveway level is noticeably higher than the footpath in front. The photographer comments, "These photos show our old house in River Rd and recovery work around Richmond and St Albans. A house along the block has water running out the driveway".

Research papers, University of Canterbury Library

Introduction This poster presents the inferred initial performance and recovery of the water supply network of Christchurch following the 22 February 2011 Mw 6.2 earthquake. Results are presented in a geospatial and temporal fashion. This work strengthens the current understanding of the restoration of such a system after a disaster and quantifies the losses caused by this earthquake in respect with the Christchurch community. Figure 1 presents the topology of the water supply network as well as the spatial distribution of the buildings and their use.

Images, UC QuakeStudies

A view of part of the former Canterbury Public Library complex after the 22 February 2011 earthquake. On the left the 1870s section is visible. It has been red-stickered and the ground around it has been spray painted with the words, "Danger, wall". The building on the right is the former Librarian's House, which was built in 1894. It has been enclosed in a safety fence, and a section of masonry from its gable has collapsed. Containers have been stacked between the buildings to reinforce their walls.

Images, UC QuakeStudies

Student leaders, including UCSA President Kohan McNab and Sam Johnston, head of the Student Volunteer Army, leading students from the University of Canterbury in a two minute silence to remember those who died in the 22 February 2011 earthquake. They have stood on top of the ENSOC fire engine to address the crowd, and the event has been filmed from that vantage point. The students have been enjoying a barbeque lunch break in Burwood Park after volunteering to dig up liquefaction as part of the Student Volunteer Army.

Images, UC QuakeStudies

Damage to River Road in Richmond. The road is badly cracked and buckled, and is partly blocked off with road cones and warning tape. In the background is a truck carrying more road cones and signs. The photographer comments, "Major slumps and cracks along River Rd. Near 381 River Rd, looking towards the Banks Ave - Dallington Terrace corner".

Images, UC QuakeStudies

Damage to a house in Richmond. The brick wall is badly cracked and twisted, and some bricks have fallen, exposing the lining paper below. The driveway is cracked and covered in liquefaction. The photographer comments, "These photos show our old house in River Rd. More shaking damage on the east wall of the living room at our house".

Images, UC QuakeStudies

Damage to a residential property in Richmond. The brick wall of the garage has collapse inward, and the roof fallen in on top of it. The driveway is badly cracked and buckled. The photographer comments, "These photos show our old house in River Rd. The brick garage just collapsed, pulling the gate over as it fell".

Images, UC QuakeStudies

Damage to River Road in Richmond. The road is badly cracked and has slumped towards the river. Road cones and warning tape block off the road to vehicles. The photographer comments, "The end of River Rd, at the corner of Banks Ave-McBratneys Rd-Dallington Tce. Morons in 4WDs kept wanting to drive through here".

Images, UC QuakeStudies

Personnel from the USAID Disaster Assistance Response Team (DART) standing in Firefighters Reserve, in preparation for the two minutes of silence to honour the people who lost their lives in the 22 February 2011 earthquake. Just out of the picture is a sculpture fashioned from 5 tonnes of structural steel salvaged from the site of the World Trade Centre following their collapse on 11 September 2001 in terrorist attacks on New York City. The sculpture is now used as a tribute to firefighters in New Zealand.

Research papers, University of Canterbury Library

Heathcote Valley school strong motion station (HVSC) consistently recorded ground motions with higher intensities than nearby stations during the 2010-2011 Canterbury earthquakes. For example, as shown in Figure 1, for the 22 February 2011 Christchurch earthquake, peak ground acceleration at HVSC reached 1.4 g (horizontal) and 2 g (vertical), the largest ever recorded in New Zealand. Strong amplification of ground motions is expected at Heathcote Valley due to: 1) the high impedance contrast at the soil-rock interface, and 2) the interference of incident and surface waves within the valley. However, both conventional empirical ground motion prediction equations (GMPE) and the physics-based large scale ground motions simulations (with empirical site response) are ineffective in predicting such amplification due to their respective inherent limitations.

Images, UC QuakeStudies

Damage to a house in Richmond. The brick wall is badly cracked and twisted, and some bricks have fallen, exposing the lining paper and framing below. The driveway is cracked and covered in liquefaction. The photographer comments, "These photos show our old house in River Rd and recovery work around Richmond and St Albans. Does that wall look straight to you?

Images, UC QuakeStudies

Damage to a house in Richmond. The brick wall is badly cracked and twisted, and some bricks have fallen, exposing the lining paper and framing below. The driveway is cracked and covered in liquefaction. The photographer comments, "These photos show our old house in River Rd and recovery work around Richmond and St Albans. More shaking damage on the east wall of the living room at our house".

Images, UC QuakeStudies

Two people examine damage to a house in Richmond. The brick wall is badly cracked and twisted, and some bricks have fallen, exposing the lining paper and framing below. The photographer comments, "These photos show our old house in River Rd and recovery work around Richmond and St Albans. The near wall is leaning at an alarming angle. I didn't like walking past it".

Images, UC QuakeStudies

Damage to a house in Richmond. The brick wall is badly cracked and twisted, and some bricks have fallen, exposing the lining paper and framing below. The driveway is cracked and covered in liquefaction. The photographer comments, "These photos show our old house in River Rd and recovery work around Richmond and St Albans. More shaking damage on the east wall of the living room at our house".

Images, UC QuakeStudies

A group of residents stand talking on the footpath beside River Road. The photographer comments, "Our neighbours were mostly already displaced by the Sep 4 2010 quakes. We all happened to arrive at the same time, so we had a good chat. From L-R; Deidre Crichton (389), Julie and Philip Cheyne (391), Marike Begg (363), Susannah and Kim Collins (383), Andy Corbin (389)".

Images, UC QuakeStudies

The northern side of the Christ Church Cathedral with the cafe and store in the foreground. Shipping containers have been placed around the eastern side of the Cathedral to protect the road from falling debris. Wire fencing has also been placed around the building as a cordon. To the right, the damaged and party deconstructed tower can be seen with the missing spire which fell during the 22 February 2011 earthquake.

Images, UC QuakeStudies

A wreath from the Singapore Contingent lying on a table in the memorial tent at the Botanic Gardens. The tent was set up for people who wanted to make a tribute to those who lost their lives during the Canterbury earthquakes. A note on the wreath reads, "The Singapore Contingent wishes to express our deepest sympathies and condolences to the people of Christchurch, New Zealand and all who have lost their lives during the 22nd February 2011 earthquake. Our hearts and thoughts are with you. From the men and women of the Singapore Contingent assisting with rescue and relief efforts in Christchurch".

Images, UC QuakeStudies

Members of the public speaking with police officers on the corner of Durham Street and Armagh Street in the aftermath of the 22 February earthquake. On the right the timber section of the historic Provincial Council Chambers can be seen, including the clock tower which has collapsed onto the road. Armagh Street leading into the city has been cordoned off by red tape.

Images, UC QuakeStudies

A car stuck in a large pothole on River Road. The wheels on the right hand side of the car have fallen into the hole, leaving the car grounded against the road surface. The photographer comments, "This car belonged to a postal delivery worker - the NZ Post bike rack is mounted on the towbar. The owner must have biked home. Later a tow truck arrived to extract the car from the hole that had opened under its front wheel".

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. Two people in gumboots walk towards a barrier erected across the road using road cones and warning tape, and in the background the badly twisted Medway Street bridge can be seen. The photographer comments, "Longitudinal cracks indicate lateral movement as the land sagged towards the river. Near 373 River Rd, looking south-east towards Medway St. The Medway St bridge is visible in the background".

Images, UC QuakeStudies

Damage to the garden of a house in Richmond. Liquefaction is visible among the plants and on the driveway, and the driveway is badly cracked. The photographer comments, "These photos show our old house in River Rd. Water and silt have flattened the long grass in the back garden. The growth right of centre is suckers growing from the stump of a prunus tree we had felled last year. The section of fence between us and our neighbour fell down in the Sep 4 quake".