An M5.6earthquake struck Nima,in Tibet,on July 24,2009.According to the displacement of the earthquake surface rupture and destruction of buildings,the earthquake macroscopical epicenter lay between Juncang Town in Nima County and Cishi Town in Cuoqin County.The intensity of seismic area was VII.This article studies the basic parameters of earthquake sequence features,source parameters,seismogenic structure,and so on,making use of related parameters to discuss the focal mechanism solutions identified as con...