1. Sichuan earthquake 2008. Available from: http://en.wikipedia.org/wiki/2008_Sichuan_earthquakeS.
2. Kyoshin-Net. National Research Institute for Earth Science and Disaster Prevention 2009, Available at http://www.k-net.bosai.go.jp/.
3. China Earthquake Networks Center 2008. Available at http://www.csndmc.ac.cn/newweb/.
4. Specifications for seismic design of hydraulic structures;Chinese,2001