Isolation Effect of Tanlu Fault on Wenchuan Earthquake Waves
The middle section of Tanlu Fault Belt is consisted of 4~5 parallel deep huge faults. When earthquake waves transmit through the fault, which can inject and be reflected several times in the inner fault, and can be isolated in some conditions. The human responses in Jiangsu to Wenchuan earthquake are studied. And the process of wave transmiting is analyzed. A line from Wenchuan toward Jiashan forms a character line. In region of the North of the line and west of Tanlu Fault Belt, the peak acceleration of Wenchuan earthquake is remarkablely redused. The fact of fault isolation is thus verified.