It's being reported that the degree of liquifaction in this 6.3 quake was orders of magnitude worse than in last fall's 7.1 quake. Must be crazy to see the water and silt seeping up through everything.
ETS members in quake country -- do you all know the liquifaction potential in the areas in which your homes and workplaces reside?
As I recall from news reports of the 1989 Loma Prieta quake, San Francisco's heavily damaged Marina District was known to be on land prone to liquifaction.
Video:
http://tvnz.co.nz/national-news/liquefaction-across-christchurch-2-23-video-4039338http://www.nzherald.co.nz/natural-disasters/news/article.cfm?c_id=68&objectid=10708723Christchurch earthquake: Levels of liquefaction 300 - 500 pc worseBy Hayden Donnell and Paul Harper
http://www.es.ucsc.edu/~es10/fieldtripEarthQ/Damage1.html