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Christchurch cathedral

Christchurch cathedral. Magnitude 6.3 - SOUTH ISLAND OF NEW ZEALAND. NZ PM comments: http://www.youtube.com/watch?v=cTdqHbJsfQc&. http://msnbcmedia.msn.com/j/MSNBC/Components/Slideshows/_production/ss-110221-new-zealand-quake/ss-110221-nz-quake-10.ss_full.jpg.

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Christchurch cathedral

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  1. Christchurch cathedral Magnitude 6.3 - SOUTH ISLAND OF NEW ZEALAND NZ PM comments: http://www.youtube.com/watch?v=cTdqHbJsfQc& http://msnbcmedia.msn.com/j/MSNBC/Components/Slideshows/_production/ss-110221-new-zealand-quake/ss-110221-nz-quake-10.ss_full.jpg

  2. http://earthquake.usgs.gov/earthquakes/eqarchives/poster/2011/20110221.phphttp://earthquake.usgs.gov/earthquakes/eqarchives/poster/2011/20110221.php

  3. All aftershocks since Sept. 4 2010 (red are deep; star is Feb 21, 2011 event) http://www.christchurchquakemap.co.nz/week http://earthquake.usgs.gov/earthquakes/eqarchives/poster/2011/20110221.php http://www.geonet.org.nz http://www.geonet.org.nz Canterbury M7.2 earthquake Sept. 4 2010 M6.3 aftershock Feb. 21, 2011

  4. Mainshock and Major Aftershock

  5. Shaking intensity in the city was much greater for this earthquake than the magnitude 7.1 earthquake from last September, or any of the aftershocks. The highest shaking was recorded at Pages Road Pumping Station at 188 %g, with readings of 127 %g at Heathcote Valley Primary School and 107 %g at Hulverstone Road Pumping Station. This is due to the proximity of the epicentre to the city and the shallow depth. The earthquake has a reverse faulting mechanism. http://www.geonet.org.nz/news/feb-2011-christchurch-badly-damaged-by-magnitude-6-3-earthquake.html

  6. PRPC Acceleration (>1 g)

  7. PRPC Velocity ~ 80 cm/s max

  8. CCCC Acceleration

  9. CCCC Velocity

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