1976 Tangshan earthquake

199 1 year flood

1998 flood

In 2002, SARS

Snow Disaster in South China and Wenchuan Earthquake in 2008

Name of natural disaster Wenchuan earthquake

Wenchuan earthquake has caused 69 185 deaths. This is related to the characteristics of earthquake disasters. Wenchuan earthquake disaster is characterized by a large number of deaths in a short time after the disaster, and then aftershocks, secondary and derivative disasters will also cause a small number of deaths. The Wenchuan earthquake-stricken area is located in the southwest mountainous area. The interruption of traffic and communication in the early days after the earthquake brought great difficulties to the rescue and nuclear disaster work. The number of deaths and other disaster figures is gradually approved with the deepening of disaster relief work, which has a certain stage. A large number of victims were found in the early days of the earthquake, so the statistics rose rapidly; The disaster situation was basically stable in the later period. In addition to cleaning up the ruins and finding the remains, a few people died of injuries, and the number of deaths due to disasters has been basically verified, so the statistics have not changed much.

It happened in May 12, 14: 28: 04.0.

The destructive power has caused heavy casualties and serious economic losses.

Explore the reason: India plate subducted into Asia plate, resulting in the rapid uplift of the Qinghai-Tibet Plateau, leading to earthquakes. The plateau material slowly flows eastward and squeezes eastward along the Longmenshan structural belt on the eastern edge of the plateau, encountering the tenacious resistance of the rigid block under the Sichuan basin, resulting in the long-term accumulation of tectonic stress energy, and finally suddenly released in Beichuan-Yingxiu area of Longmenshan. Thrust, dextral and compressional fault earthquakes. The Sichuan earthquake occurred in the brittle-ductile transition zone of the crust, with a focal depth of 10 km-20 km and a long duration, so it was extremely destructive.

After the flood disaster, intestinal infectious diseases and natural focus diseases increased significantly; In the second year after the disaster, in some areas, such as Jiangxi, in addition to the continuous increase of intestinal infectious diseases, the increase of respiratory infectious diseases is also obvious.

1998 floods have had a certain impact on the epidemic situation of infectious diseases in Jiangxi province, and the incidence of infectious diseases in some affected counties has increased to varying degrees.