"TRex," the world's largest seismic vibration truck at approximately 32 tons, will start testing soil in Christchurch, New Zealand, a city devastated by an earthquake in 2011. Using large hydraulics, the truck will "shake the ground" and analyze soil properties at up to an 850-foot depth. By "[u]sing state of the art information on soil properties ... we can begin to link cause and effect and better understand where such effects will occur elsewhere during future earthquakes worldwide," said University of Canterbury earthquake engineer Dr. Brendon Bradley.

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