Before revision: 400px|Some effects of soil liquefaction after the 1964 Niigata earthquake Soil liquefaction allowed this sewer to float upward and breach the pavement during the 2004 Chūetsu earthquake Soil liquefaction in Christchurch.
After revision: manhole400px|Some effects of soil liquefaction after the 1964 Niigata earthquake Soil liquefaction allowed this sewer to float upward and breach the pavement during the 2004 Chūetsu earthquake Soil liquefaction in Christchurch.