Tangshan earthquake refers to the earthquake that occurred in Tangshan City, Hebei Province, China. According to the fifth-generation seismic zoning map, Tangshan is located in an octave fortification zone. 1976 An earthquake measuring 7.8 on the Richter scale occurred in Tangshan at 3: 42: 53.8 on July 28th. The Tangshan earthquake killed more than 242,000 people. Tangshan earthquake is one of the top ten natural disasters in the 20th century. At 6: 38 on July 12, 2020, an earthquake of magnitude 5. 1 occurred in guye district, Tangshan, Hebei Province, with a focal depth of 10 km.
The earthquake was felt in Tangshan, Chengde, Cangzhou, Langfang and Xiong 'an New District, Qinhuangdao and Baoding Yixian counties, and Chicheng and Yuxian counties in Zhangjiakou City were slightly felt. The Seismological Bureau of Beijing issued a statement saying that the Tangshan earthquake with a magnitude of 5. 1 caused a sensation in Beijing, especially in Pinggu, Shunyi and Tongzhou in the east. The maximum earthquake intensity recorded by the instrument was 3 degrees, which did not cause obvious earthquake damage and loss of life and property.
Matters needing attention in earthquake self-help
1. When the earthquake occurred, glass fragments of high-rise buildings and concrete fragments outside buildings, as well as advertising signs, tinplates, neon red light frames, etc. , may fall off and hurt people. Therefore, when walking in the street, it is best to put your bag or soft items on your head, and you can also put your hands on your head when you are free, so as to be prepared for self-defense as much as possible. In order to keep calm, you should leave the telephone poles and fences quickly and run to a relatively open place.
Workshop workers can hide under cars, machine tools and tall equipment, and don't panic and run around. Workers in special posts should first close the valves of flammable, explosive and toxic gases, reduce the temperature and pressure of high-temperature and high-pressure pipelines in time, and close the operating equipment. Most people can leave the work site, and a few people can stay at the site to monitor the danger at any time under the premise of safety protection, deal with possible accidents in time and prevent secondary disasters.
In school, what is most needed in the earthquake is the calmness and decisiveness of school leaders and teachers. In areas with long-term earthquake prediction, students should be taught earthquake and shock absorption knowledge in combination with teaching activities. Before the earthquake, we should arrange the route and venue for students to transfer and evacuate; After the earthquake, calmly direct the students to evacuate in an orderly manner. In a relatively solid and safe house, students who can hide under desks, beside platforms and in teaching buildings can go to small rooms supported by pipes, and students are not allowed to run around or jump off buildings.
The above contents refer to Baidu Encyclopedia-Tangshan Earthquake.