This study endeavours to establish a reliable model of the seismicity in the region affecting Christchurch, using the results of the latest research into paleoseismicity and historical seismicity. Hazard models are then developed for Christchurch using this seismicity model in conjunction with attenuation models for peak ground acceleration, intensity and spectral accelerations. Comparisons of the hazard models have been made with historical records of intensities and peak ground accelerations, and comparisons of the seismicity, intensity and spectral acceleration models with those of Elder et al, Berrill et al, and of the New Zealand loadings code, where appropriate.