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It’s episode 16 of the podClast. This episode discusses the magnitude 7.1 earthquake which struck Christchurch New Zealand at 04:36 NZST on 2001-09-04. We discuss the damages, the geological setting and other bits and pieces relating to New Zealand seismicity.
Episode 16 of the podClast is ready for download. You can grab the mp3 here (18.3 MB, 39:40), or subscribe through iTunes here. You can subscribe to the podClast RSS feed here. Or you can listen to it right here:
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It’s episode 16 of the podClast. This episode discusses the magnitude 7.1 earthquake which struck Christchurch New Zealand at 04:36 NZST on 2001-09-04. We discuss the damages, the geological setting and other bits and pieces relating to New Zealand seismicity.
Participants
Chris - goodSchist (@yorrike)
Ron - Ron Schott’s Geology Home Companion Blog (@rschott)
Chris - Highly Allocthonous (@allocthounous)
(links in brackets are Twitter feeds)
Christchurch / Canterbury Earthquake
The seismic data of the earthquake can be found at Geo Net and the USGS.
Chris has a good summary of the Tectonics of the M7 earthquake near Christchurch, New Zealand.
The New Zealand Herald has a really good summary of the facts surrounding the quake.
Pics of NZ EQ surface rupture – could be a clay cake deformation experiment http://bit.ly/bzAbz1 (via @eruptionsblog).
Nice map animation of the #nzquake main shock & aftershock sequence http://bit.ly/9TWoIc (via @Allochthonous).
Liquefaction caused mud/sand volcanos to erupt on the streets & gardens of Christchurch. Some nice photos: http://bit.ly/91DYaQ (via @Allochthonous).
More damage in NZ, bridge looks like an optical illusion http://twitpic.com/2l0ahe (via @herasings).
BGS press release on #nzquake has map of all >M6 quakes since 1843. Clear seismic gap on central Alpine fault http://bit.ly/9mQRKo (pdf, via @Allochthonous).
Nice summary of #nzquake from Prof. Euan Smith http://bit.ly/9tYmEe [esp. rupture characteristics, risk of future quakes] (via @Allochthonous) - Euan was one of my lecturers when I did undergraduate geophysics.
Google Earth Visualisation of the #nzquake & aftershock sequence http://bit.ly/9Cpnog (via @Allochthonous).
There’s ariel footage of the damage area.
The NZ Herald says that 20% of houses in Christchurch are now uninhabitable.
Ole Nielsen talks about the Earthquake in New Zealand – and “Beach Balls”.
In case you’re wondering, no there haven’t been more earthquakes than normal recently.
Geographile has a post with a collection of pictures of damage.
And Cosmic Log talks about why the Christchurch quake in no Haiti.
And for a retrospect, Wikipedia has a list of all >M 6 earthquakes to have been recorded in New Zealand.
Contributing
If you’re keen to hear a specific topic talked about, or would like to join the discussion during the next episode, either leave a comment below or email chris [the at symbol] goodschist.com. You’ll probably also do well reading the details on joining the podclast. If you don’t have the time to join us but would like to contribute a 3-5 minute audio clip to the show simply record it, make sure it’s an mp3, and send it to the address above.
Credit
The intro and exit music was Roots Fi Cool by Burning Babylon.
Text Addresses
The post that accompanies this podcast can be found ahttp://www.goodschist.com/2010/09/07/the-podclast-episode-16/or http://bit.ly/aIhSXi and an archive of all podClasts can be found at http://www.goodschist.com/category/podclast/
2 Comments
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I understand that the CHC quake was caused by a new or resurgent transcurrent structure. Is this one likely to heal itself or continue to jiggle. My experience has been with the Atacama flt in Chile where these ruptures occure frequently, again quite shallow but do heal themselves.
David
I’ve not heard of faults “healing” themselves. Both the February 6.3 and the September 7.1 are on faults with a history of rupture, so I imagine there’ll be may an earthquake along these faults in the years, centuries and millennia to come.