[China News Agency] Experts interpret the Sichuan Luding 6.8 earthquake to remind the secondary disaster prevention and protection measures

China News Service, Beijing, September 6 (Reporter Sun Zifu) After a magnitude 6.8 earthquake in Luding County, Ganzi Prefecture, Sichuan Province, the local people's disaster situation and earthquake relief work have attracted much attention. A number of disaster defense experts accepted the media interviews, analyzed the characteristics of Luding 6.8 earthquakes, reminded the affected people and rescuers to prevent various types of geological disasters induced by earthquakes, and took measures to protect themselves.

On September 6, aerial photography of Moxi Town, Luding County, Ganzi Prefecture, Sichuan. At 12:52 on September 5, a magnitude 6.8 earthquake occurred in Luding County, Ganzi Prefecture, Sichuan, with a depth of 16 kilometers. (Photo of drones) China News Agency reporter Zhang Lang, Zhang Lang

Earthquake induces geological disasters to challenge emergency rescue

Researcher Wu Jian, deputy director of the China Earthquake Disaster Defense Center, pointed out that the epicenter of the Luding 6.8 earthquake is located in the 8th to 9 degrees of the earthquake area. The earthquake -level magnitude is large, and the earthquake areas are mostly high mountain gorges. The stacked earthquake terrain effects are unfavorable factors. Rural areas near the earthquake, especially farmers in the steep slopes and valleys, may occur. Collapse caused certain personnel casualties.

At the same time, earthquake -induced earthquake -lit landslides, collapse and other earthquake geological disasters have also brought a lot of challenges to emergency rescue. The terrain of the Gaoshan Canyon near the earthquake is a high incidence of geological disasters, and it is an important cause of serious casualties and damage to infrastructure. And because the occurrence of earthquake landslides and collapse may have a certain lag, if rainfall may cause mudslides, emergency rescue personnel who work on the spot must be highly vigilant and ensure their own safety.

Wu Jian said that when the Luding 6.8 earthquakes, Ya'an, Leshan, and even Chengdu are far away from the earthquakes. The high -rise building has a strong sense of earthquakes and obvious shaking. Caused structural destruction may cause local wall skin to crack off, decoration and decoration slightly damage, etc., excluding accidental factors, generally do not cause serious personal injury, and the general public does not have to panic.

There are two major categories of areas prone to seismic secondary disasters

Zou Wenwei, Deputy Secretary -General of the China Disaster Defense Association and director of the Disaster Science Popularization Committee, believes that the earthquake at the Sichuan Luding 6.8 earthquake is located on the eastern edge of the Qinghai -Tibet Plateau. Essence

There are two main categories that are prone to earthquake secondary disasters: the first category is next to the cliffs, the seductive fan area, the depths of the mountain ditch, the bank of the Great River, and the flat lake and the shore. Lallinism, collapse, landing, ground cracking, uneven sinking, dammed lakes, mudslides and other secondary disasters.

The second category is weak soil, liquefied land, with prominent mountain mouths, towering and lonely hills, steep slopes, steep hurdles, edges of rivers and slopes, structural cracks, and earth layers with uneven causes and rocky. (Including the ancient river channel, loose fault crushing belt, buried Tangbingou Valley), etc., these places are prone to secondary disasters such as surface collapse, sand liquefaction, misalignment and cracks during the earthquake.

Zou Wenwei also reminded that if a secondary disaster occurred during an earthquake or after the earthquake, it was necessary to quickly look around and evacuate to a safe location, and take the following measures to protect yourself according to different field environments:

Mountains based on rocks may cause landslides and rolling rocks. They must run in the direction of rolling in the direction of rolling with rocks. Do not run along the direction of rolling rocks; they can also hide under the strong obstacles, or squat under ditch, under the hurdle, under the ditch Essence Be careful to protect your head.

Mountains mainly sandy can cause landslides. Try to avoid the steep or grooves of the mountains as much as possible, and transfer to the flatness.

If you are at the water, you should quickly transfer to a high -terrain safe place to prevent floods formed by the dam -losing damage of the upstream reservoir. For example, near a large area of ​​water around the lake or reservoir, it is also necessary to quickly move away from the water during the earthquake to prevent the landslide caused by the collapse of the earthquake into the reservoir, causing the surge of water to form a surge.

The China Earthquake Administration sent more than 160 people on the spot

Sources from the China Earthquake Administration said that after the Sichuan Luding 6.8 earthquake this time, the China Earthquake Administration immediately launched a secondary emergency response. The disposal work, and in accordance with the afternoon of the day after the Earthquake, was deployed, led the State Council's Office of the Earthquake Rescue Headquarters to the earthquake to guide the earthquake -resistant disaster relief work.

The China Earthquake Administration sent more than 160 on -site work teams to carry out earthquake monitoring, intensity assessment, earthquake investigation, earthquake tracking, science popularization publicity, etc., and assisted and guided local governments to do emergency response work.

First, the on -site work team grasped various work emergency disposal. The second is to send 19 on -site disaster investigation teams to go to 37 towns and villages in the earthquake and 6 districts (counties) to carry out earthquake disaster surveys and intensity assessment. The third is to send 11 -chronic -long -term dynamic observation teams to carry 22 sets of equipment in the epicenter and surrounding areas to carry out mobile shock testing, global navigation satellite system (GNSS), geomagnetic, cross -fault monitoring and other work.

Earthquake -proof disaster reduction media studio

Source: China News Network

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