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In 1964, there was a major earthquake in the Niigata region in Japan. A major feature of that earthquake was large scale foundation failures of buildings due to liquefaction of the sub-soil. Buildings settled by as much as a metre due to the sub-soil behaving like a fluid rather than as a solid during the earthquake. So far, reports on the Nigaata quake of 2004 do not specifically mention large scale foundation failures due to liquefaction. We should be interested in knowing what lessons Japanese engineers learnt from the 1964 earthquake.
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