On May 12th, 2008, a rare major earthquake with magnitude 8.0 occurred in Wenchuan, Sichuan province of China, which caused considerable damage. Considering mud-rock flows in the quake-hit areas caused and influenced by the major earthquake, the essay analyzes the formed conditions and the influential factors for mud-rock flows disaster in the quake-hit areas. Meanwhile, it presents preventive measures for the post-disaster mud-rock flows.
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