Because the earth is constantly moving and changing, it gradually accumulates huge energy, causing sudden rupture of rock strata or dislocation of original faults in some fragile areas of the crust. This is an earthquake. Most earthquakes occur in the earth's crust. Earthquakes are divided into tectonic earthquakes, volcanic earthquakes, subsidence earthquakes and induced earthquakes. Tectonic earthquake refers to that under the action of tectonic movement, when the local stress reaches and exceeds the strength limit of rock stratum, the rock stratum will suddenly deform or even rupture, and the energy will burst out at once. The most effective way to avoid earthquake disaster is to rely on yourself. Therefore, we need to learn and master some knowledge about earthquake prevention, improve our own protection skills, be fearless in the face of earthquakes, and take strong precautions. 1. The earthquake came suddenly and people were caught off guard. If you are in the house when the earthquake starts, don't try to rush out of the house, you are likely to be smashed. The expedient is to hide under a solid bed or table. If you don't have solid furniture, you should stand at the door. The door frame has some protection. Stay away from the window, because the window glass may break. If you are outdoors, don't go near buildings, trees, telephone poles or any other tall buildings that may collapse. Try to stay away from tall buildings and run to empty places. In order to avoid losing your balance in the earthquake, you should lie on the ground. If there is no open space nearby, shelter from the rain at the door for the time being. When there is an earthquake in a public place, the people inside will be crowded with panic, because the frightened people can't find an escape exit. What is needed at this time is to be calm, calm down and find the exit, and don't run around. Fire not only brings light, warmth and wisdom to human beings. Constantly promoting the progress and development of human society, at the same time, out-of-control fires have also brought disasters and misfortunes to mankind, causing casualties and property losses. Therefore, fire is both a friend and an enemy of mankind. Everyone is praying for peace. But the weather is unpredictable, and people are doomed. Once the fire came, surrounded by smoke, poison gas and flames, many people died in the sea of fire, and some survived. "Only desperate people, there is no desperate situation." In the face of billowing smoke and raging flames, it is very possible to save yourself as long as you use the knowledge of self-help and fire escape calmly and tactfully. 1, escape drill, stay in danger, be familiar with the environment, memorize the exit 3, the exit of the passage, be unobstructed, keep calm, identify the direction, and evacuate quickly. 5. Stay in the shelter and stick to the family fire. It has become the "first safety killer" of the family. Recently, the high temperature continues, and the public should always pay attention to preventing family fires. Recently, it was learned that there were 365,438+02 fires in Shenzhen from June 65,438+0 to June * * this year, including nearly 30 domestic fires every month. Statistics show that more than half of the 42 fires that caused disasters were family fires, and three people were injured in family fire accidents. In the face of natural and man-made disasters, the world is cold and life is small, and civil air defense is more important! Friend, for your own life, please pay attention to civil air defense work. You only have one life. As long as you start from the side of civil air defense, your life may be more secure and your life will be better!