Why do there are so many natural disasters on Earth?

Or because the earth's interior is very unstable, resulting in the frequent occurrence of volcanoes**.

China is one of the few countries in the world with the worst natural disasters. China has always had frequent natural disasters, with many types, high frequency and serious losses. It has become the third country in the world with the most natural disaster losses after Japan and the United States.

The main reasons for this are as follows:

1.China is located at the intersection of the global natural disaster belt and the Pacific Rim disaster belt in the middle latitudes of the northern hemisphere.

2.China's mountainous geographical location, mountainous landforms and strong crustal movements.

3.China is under the control of unstable monsoon circulation, which is prone to meteorological, hydrological and other natural disasters.

4.The shortage of ecological resources and irrational production activities in China have become an important reason for the spread of natural disasters in space and the intensification of time.

5.The overall deterioration of the ecological environment has greatly aggravated the severity of natural disasters in China.

In addition, the formation of natural disasters in China is deeply affected by human activities, and there are obvious differences between north and south and east and west. The vast eastern monsoon region is an area where natural disasters are frequent and the disaster situation is relatively serious, and the coasts of north, southwest and southeast China are areas prone to natural disasters. The increasingly serious land desertification is due to human activities such as over-mining, over-reclamation, and over-grazing. Red desertification in the southeastern hills is due to over-logging; Soil salinization in North China is mostly due to irrational irrigation.

Natural disasters are the name given by human beings, but in fact, they are just some reactions produced by the earth in order to maintain its own balance, and these reactions will bring harm to human beings to a certain extent, hence the name "natural disasters". In fact, it is precisely because the earth had such activities more than 4 billion years ago that it brought hope for the formation of life.

Natural disasters, also known as natural disasters, refer to abnormal phenomena that occur in nature, which cause tragic consequences to surrounding organisms, and constitute disasters relative to human society. According to the World Meteorological Organization, 90 percent of all natural disasters are related to weather, water and climate events. So what are some of the major natural disasters on Earth?

1. According to the World Meteorological Organization, 90 percent of all natural disasters are related to weather, water and climate events. It is divided into geological disasters, meteorological disasters, climatic disasters, hydrological disasters, ecological disasters, and astronomical disasters.

2. Major sudden natural disasters worldwide include: drought, flood, typhoon, storm surge, frost damage, hailstorm, tsunami, volcano, landslide, debris flow, forest fire, agricultural and forestry pests and diseases, etc.

3. There are many types of natural disasters common in China's land space, mainly including floods and droughts, meteorological disasters such as typhoons, hailstorms, blizzards, sandstorms, volcanoes, geological disasters such as mountain collapses, landslides and debris flows, marine disasters such as storm surges and tsunamis, forest and grassland fires and major biological disasters. Natural disasters are abnormal events in the evolution of the geographical environment, but they have become one of the most important natural factors hindering the development of human society.

The above is an introduction to the major natural disasters on the earth, and it is now a common theme of the international community for mankind to understand the occurrence and development of these disasters in a scientific sense and to minimize the harm caused by them.