Liquefaction has been a major effect of the two large earthquakes at Christchurch over the past 6 months (Sep. 4th, 2010 and Feb. 22nd 2011). Here’s a clever little video illustrating liquefaction in a wheel barrow that’s gathered over 35,000 hits at the time of writing:
Update: My thanks to reader ‘Ross’ who brought this to my attention.
(Updated 6th March to add tags.)
Other articles in Code for life:
Lyttelton earthquake peak ground acceleration
On learning the sounds of a new (spoken) language
On alternatives to academic careers and “letting go”
Deleting a gene can turn an ovary into a testis in adult mammals
When I was clearing up some of the liqifaction silt after a week of it being on the ground I noticed the weed growth around it was particularly lush. It would be interesting to know how nutrient rich this material is. In our area, it is unlikely it was contaminated with sewage which makes me wonder whether it would be worth mixing it into the garden.