What are the main features of national natural disasters in the first quarter?

In the first quarter, the low-temperature rain, snow and freezing disaster occurred in June+10, 5438. Three large-scale low-temperature rain, snow and freezing weather processes occurred in the central and eastern regions, covering an area of 5.76 million square kilometers, and the average accumulated snowfall was the second highest in the same period since 2000 (second only to 2008). Three rounds of low temperature, rain, snow and freezing weather processes are highly overlapped, and moderate to heavy snow areas appear repeatedly in Zhejiang, Anhui, Hubei, Henan and other provinces, resulting in repeated disasters in some areas and serious disasters. Among them, Anhui and Hubei provinces were the most seriously affected, with * * * causing 2 1 person's death, and the direct economic loss exceeded 654.38+000 billion yuan, accounting for more than 60% of the total loss of freezing rain and snow disasters in the first quarter. Generally speaking, compared with the average value of the same period in recent five years, the low-temperature rain, snow and freezing disasters in the first quarter are obviously more, and the number of missing persons and direct economic losses due to disasters are the highest in the same period since 20 13 years.

In the first quarter, the nationwide * * * large-scale severe convective weather process 1 time, concentrated in most parts of the south in early March, especially in Jiangxi Province. * * * There are 60 counties and cities with short-term strong winds of magnitude 8 or above, accompanied by short-term heavy rainfall and hail, and * * * caused 15 deaths. According to statistics, in the first quarter, the wind and hail disaster * * * caused 654.38+0.345 million people in 20 provinces (autonomous regions) across the country to be affected, with 20 people killed, nearly 4,000 houses severely damaged, and 654.38+0.65 million houses generally damaged, resulting in a direct economic loss of 654.38+0.82 billion yuan. Generally speaking, compared with the average value of the same period in recent five years, the wind and hail disasters in the first quarter are generally more, and the number of missing persons, the number of damaged houses and the direct economic losses are the second highest in the same period since 20 13 (second only to 20 13).

In the first quarter, there was no earthquake of magnitude 5 or above in Chinese mainland. The impact of earthquakes of magnitude 4 or above is mainly concentrated in February. Among them, on February 12, an earthquake with a magnitude of 4.3 occurred in Yongqing County, Langfang City, Hebei Province, which was felt to some extent in the capital circle area, but no casualties and house damage were caused. Three earthquakes of magnitude 4 or above occurred in Yunnan province in a short time, namely Jinghong earthquake of magnitude 4.9 on February 9, Shangri-La earthquake of magnitude 4.0 on February 15, and Jingdong earthquake of magnitude 4.0 on February 20. * * * caused general damage to nearly 1.7 million houses, resulting in direct economic losses of more than 90 million yuan. Generally speaking, compared with the average value of the same period in recent five years, the earthquake disaster in the first quarter has a certain impact, but the loss is light.