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Images, UC QuakeStudies

A motion-blurred photograph of houses, with the Port Hills in the background. The photographer comments, "This I hope gives you a feel of what it feels like in an earthquake. When you spend your whole life thinking that you and your home are built on solid ground, it can be quite a shock when you find it is not. You can feel the house shaking like a dog with a toy, rising up violently underneath you or the most gentle form which is when the ground moves gently like a wave moving under a rowing boat. It is not just the movement, you often get a rumbling sound which can precede a violent shake or can result in no movement at all. This means that some vehicles can sound like the rumbling initially and in the early days would get your heart racing. Another form of stress is when big excavators as heavy as a tank move as you can feel the ground shake from streets away, but you do not always hear the engine. For most of us the problem when the shaking starts, is wondering if this is the start of an extremely violent earthquake or will it peter out".

Videos, UC QuakeStudies

A video of an interview with Kaiapoi resident Rick Moore, about the concerns of Kaiapoi residents one year after the 4 September 2010 earthquake. This video is part of The Press's 'One Year On: September 4, 2010' series.

Videos, UC QuakeStudies

A video of an interview with Tania and Paddy McKay from Darfield about how their lives have changed a year after the 4 September 2010 earthquake. This video is part of The Press's 'One Year On: September 4, 2010' series.

Videos, UC QuakeStudies

A video of an interview with Hororata residents Tish Ballagh and Vicar Jenni Carter about remaining positive a year after the 4 September 2010 damaged their town. This video is part of The Press's 'One Year On: September 4, 2010' series.

Videos, UC QuakeStudies

A video of an interview with Warwick and Margo Schulz, residents of the red-zoned Arnst Place in Dallington. The Schulzes talk about how their life has changed since the 4 September 2010 earthquake. This video is part of The Press's 'One Year On: September 4, 2010' series.

Images, UC QuakeStudies

A digitally manipulated image of a damaged bridge in Lake Terrace Road in Burwood. The photographer comments, "After the September earthquake this bridge was a little wonky, but you would cross it, possibly without fear, now though it is too far gone".

Images, UC QuakeStudies

Detail of a light fitting outside the former Ozone Hotel in North New Brighton. The photographer comments, "The broken light fitting is on the Ozone Hotel, which is red stickered after the 22 February 2011 earthquake in Christchurch. They will need to fix the building before this light gets a new bulb. The distinct blue colour seen is what made the Ozone stand out on Marine Parade".

Images, eqnz.chch.2010

Nice to see the Cabbage Tree is still standing! View On Black Demolition continues on the old Beckenham shops after the 7.1 magnitude earthquake in Christchurch on the 4th September 2010. This view is looking from the car park out at th...

Images, UC QuakeStudies

A cycle-lane sign submerged in water. The photographer comments, "During the Christchurch earthquake this sign must have dropped off of the pedestrian bridge above and landed straight down into the Avon River".

Images, UC QuakeStudies

A damaged brick building has wooden bracing holding the walls together. The photographer comments, "This building came through the September Christchurch quake with a few band aid plasters, but the February quake means that she is now DNR (Do Not Resuscitate)".

Images, UC QuakeStudies

A brick wall has fallen from this house, exposing the rooms within and leaving a pile of rubble in front. The ceiling has slumped and is held up with jacks. The photographer comments, "This was probably the result of the shallower February Christchurch earthquake rather than the bigger September one".

Images, UC QuakeStudies

A large mobile generator on Travis Road. The photographer comments, "Big mobile generator giving power and relief to hard pressed families in North New Brighton after the Christchurch quake".

Images, eqnz.chch.2010

The old Christchurch Railway Station Clock Tower was damaged during the 7.1 magnitude quake on 4 September 2010 and was braced by the wooden sleeve until repaired. However, although the sleeve did its job during the 6.3 magnitude quake on 22 February 2011, the lower part of the tower started to break away.

Images, UC QuakeStudies

A red sticker on the door of a damaged building in North New Brighton. The photographer comments, "A year after the earthquake in Christchurch a lot of buildings outside of the CBD are covered in cracks and beyond repair. These will slowly be demolished, but until then the buildings will be protected by a movable barrier and a red sticker".

Images, eqnz.chch.2010

Today is the anniversary of the 7.1 magnitude earthquake that hit Canterbury on 4 September 2010, and two lights - The White Lights of Hope - were turned on this evening from the square to help fill the city's "dark heart" and remind residents to look forward to a bright future. Note: While I was capturing this image we had a ...

Images, eqnz.chch.2010

Today is the anniversary of the 7.1 magnitude earthquake that hit Canterbury on 4 September 2010, and two lights - The White Lights of Hope - were turned on this evening from the square to help fill the city's "dark heart" and remind residents to look forward to a bright future. Note: While I was capturing this image we had a ...

Images, eqnz.chch.2010

Demolition continues on the old Beckenham shops after the 7.1 magnitude earthquake in Christchurch on the 4th September 2010. So sad to see history die - both buildings and business. Took this image in HDR and processed in PhotoMatix and PaintShop Pro 8. Below are two other images of the shops one soon after the earthquake and the other sever...

Research papers, The University of Auckland Library

In the early morning of 4th September 2010 the region of Canterbury, New Zealand, was subjected to a magnitude 7.1 earthquake. The epicentre was located near the town of Darfield, 40 km west of the city of Christchurch. This was the country’s most damaging earthquake since the 1931 Hawke’s Bay earthquake (GeoNet, 2010). Since 4th September 2010 the region has been subjected to thousands of aftershocks, including several more damaging events such as a magnitude 6.3 aftershock on 22nd February 2011. Although of a smaller magnitude, the earthquake on 22nd February produced peak ground accelerations in the Christchurch region three times greater than the 4th September earthquake and in some cases shaking intensities greater than twice the design level (GeoNet, 2011; IPENZ, 2011). While in September 2010 most earthquake shaking damage was limited to unreinforced masonry (URM) buildings, in February all types of buildings sustained damage. Temporary shoring and strengthening techniques applied to buildings following the Darfield earthquake were tested in February 2011. In addition, two large aftershocks occurred on 13th June 2011 (magnitudes 5.7 and 6.2), further damaging many already weakened structures. The damage to unreinforced and retrofitted clay brick masonry buildings in the 4th September 2010 Darfield earthquake has already been reported by Ingham and Griffith (2011) and Dizhur et al. (2010b). A brief review of damage from the 22nd February 2011 earthquake is presented here