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Audio, Radio New Zealand

Days after Christchurch was devastated by a 6.3 magnitude earthquake, Simon Morton traverses the city, using the Avon River as his route, and finds everyone has a story to tell.

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.

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

Images, eqnz.chch.2010

Photos taken following the magnitude 6.3 earthquake in Christchurch on 22 February 2011. CCL-2011-02-22-Earthquake-P1110173 We all have earthquake stories to tell — and we’d like to hear yours. Please submit your story on our website, and let us ...

Images, eqnz.chch.2010

Photos taken following the magnitude 6.3 earthquake in Christchurch on 22 February 2011. CCL-2011-02-22-Earthquake-P1110202 We all have earthquake stories to tell — and we’d like to hear yours. Please submit your story on our website, and let us ...

Images, eqnz.chch.2010

Photos taken following the magnitude 6.3 earthquake in Christchurch on 22 February 2011. CCL-2011-02-22-Earthquake-P1110176 We all have earthquake stories to tell — and we’d like to hear yours. Please submit your story on our website, and let us ...

Images, eqnz.chch.2010

Photos taken following the magnitude 6.3 earthquake in Christchurch on 22 February 2011.CCL-2011-02-22-Earthquake-P1110182 We all have earthquake stories to tell — and we’d like to hear yours. Please submit your story on our website, and let us ...

Images, eqnz.chch.2010

Photos taken following the magnitude 6.3 earthquake in Christchurch on 22 February 2011. CCL-2011-02-22-Earthquake-P1110177 We all have earthquake stories to tell — and we’d like to hear yours. Please submit your story on our website, and let us ...

Images, eqnz.chch.2010

Photos taken at the Lyttelton Community briefing held on March 7 2011 following the magnitude 6.3 earthquake on 22 February 2011. File Ref: CCL-2011-03-07-Lyttelton-Community-Briefing-P1110625 From the collection of Christchurch City Libraries.

Images, eqnz.chch.2010

Photos taken following the magnitude 6.3 earthquake in Christchurch on 22 February 2011. CCL-2011-02-22-Earthquake-P1110179 We all have earthquake stories to tell — and we’d like to hear yours. Please submit your story on our website, and let us ...