Appropriative items of Institute of Earthquake Science,China Earthquake Administration (2008692,2008690);National Natural Science Foundation of China (40372086);Contribution No. LC2008013,Lanzhou Institute of Seismology,China Earthquake Administration.
National Natural Science Foundation of China (40372086);"Short-term and Imminent Tracing Research of Moder-ate-strong Earthquakes in the SN Seismic Belt" by China Earthquake Administration and Scientific Key Foundation Item of Gansu Province (2GS054-A44-015).
On the basis of the textual research on the historical earthquake data and the field investigation of Wudu earthquake occurred in 186 B.C., we suggest that the earthquake parameters drawn from the present earthquake c...