I came across this, and thought it VERY interesting. This link is for a video clip showing the effects of the Feb. 22 earthquake on the Gift Shop in the Christchurch Art Gallery. Interesting to see what looks like initial high-frequency shaking, then the later, low-frequency waves (a shift from shaking to intense rocking). Take a look.
http://christchurchartgallery.org.nz/multimedia/film/documentation/shop-earthquake-footage/
Later,
Trent.
Monday, June 20, 2011
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