M8.0 Wenchuan Earthquake

1.Tectonic setting around Chuan-Dian region.- 2.Historical earthquakes around, Wenchuan earthquake and aftershocks.- 3.Earthquake nucleation and occurrence - a numerical simulation.- 4.Geological observation: Earthquake induced surface fractures and the relevant geological explanation.- 5.Field observation: seismic deconstruction and its relationship with the ruptured faults.