source : http://www.gearthblog.com/blog/archives/2010/09/christchurch_earthquake_visualizati.html
The impact of the Earthquake that shook the city of Christchurch on 22 February may have slipped from the front pages, but its devastating impact on the landscape – and the people – is very real indeed. The Central Business District is slowly being opened, with decisions about which buildings are to be pulled down and which will be repaired.
Updates below…
* Pictures illustrate how Christchurch looked and how it appears today….
* Canterbury Interactive Map
* Reminder of tectonic plates and how/why it all happened
Before and After Aerial Images
More aerial pictures http://koordinates.com/layer/3185-christchurch-post-earthquake-aerial-photos-24-feb-2011/?embed=1&
Christchurch Interactive Map
For interactive version, click http://www.christchurchquakemap.co.nz/all
LEARN FROM NATURE 
You got the date wrong! – (I know, I live there). It was the 22nd Feb – A quick edit might help with confidence with the rest of the article – Bob
Hi Bob
Yes, thanks for the correction – I always try to get facts right but it’s a hazard of doing a daily blog I’m afraid! I have changed it! Do keep coming back and reading….
Regards
Henricus