Different spectrum of disease caused by earthquake occurred in different time and places

For instance, the earthquake magnitude of Sichuan earthquake is about the same to the Tangshan earthquake. But Tangshan earthquake happened in the night which killed more than 200,000 people. As for zone factors, the direct harm caused by collapse of building will increase if earthquake occurred in town. Time is also an important factor. The succeeding damage will be different in winter from autumn. For instance, raining and extremely hot may cause hinder dangers such as corps rot and epidemic. In winter the collapse of building will cause people homeless, so that corresponding frigidity may cause cold, pneumonia and frostbite etc.