Experts claim that the source of seismic sensation in high-rise buildings was caused by the 4.8-magnitude earthquake in Tangshan

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This is a normal aftershock after the 1976 Tangshan earthquake

Zhang Xiaodong, deputy director of the China Seismological Network Center, said in an interview with reporters that after the Tangshan earthquake in 1976, the remaining earthquakes continued. At the same time, the intensity of aftershocks has continued to decline over time.

“There will be aftershocks after the Tangshan earthquake in the old earthquake zone.” Zhang Xiaodong said, “In recent years, the level of aftershocks in this area has been low, with a maximum of 4 levels. This 4.8 magnitude aftershock is the normal ups and downs of the aftershock in the Tangshan earthquake area. activity."

Zhang Xiaodong said that in general, earthquakes with more than 4 levels generally have only a sense of being near the epicenter. However, with the 4.8-magnitude quake, the scope of quake sensation was relatively large. Many areas in Hebei, Beijing, Tianjin, and Liaoning all felt that, mainly because of the acceleration of urbanization in China and the increase in high-rise buildings in recent years. "The higher the building, the greater the amplification of seismic waves. Therefore, the range of earthquakes that are not very high in magnitude in recent years is greater than before."

“After a large earthquake, the aftershocks are generally in the old earthquake zone. Some of the tectonic regions have short duration aftershocks, while others are relatively long.” Zhang Xiaodong said, “The aftershock duration in the Tangshan region is relatively long, in recent years each There are strong aftershocks occurring in the next two years and they are normal ups and downs. There is no need for everyone to panic, so that normal production and living can be maintained.” Experts said that China is a country with frequent earthquakes and it is necessary to actively prepare for rescue equipment and other disasters. It is necessary. No casualties, Beijing, Tianjin, and other places have a sense of tremor. According to CCTV reports, three or four earthquakes occur every year in Tangshan is a normal phenomenon. The shallow earthquake is a normal energy release and there will be no major earthquake in the area in the near future.

At the time of the earthquake, Mr. Wang, a citizen of Tangshan Township, was taking the children to fight the epidemic on the second floor of the local community health station. He said: "I suddenly feel that I am shaking. Because there have been several small earthquakes in Tangshan in the past, but this time is longer and I feel more strongly." Subsequently, the reporter asked several people living in high-level Tangshan citizens, they said that the comparison of the quake obvious.

The reporter learned that earthquakes are felt in most parts of Beijing, Tianjin and Hebei. The quake has a wide range of sensations. Beijing, Tianjin and Qinhuangdao all felt a sense of tremor. The Tanghai, Songxian, and Tangshan cities were particularly strong. The reporter saw that on the website of the Hebei Earthquake Administration, it was reported that the Wangzhenzhuang Township, Guye District, Tangshan City was the epicenter of the earthquake. Investigation by the field team revealed that there were cracks in two households in the 900 households in Jing County. There were more than 20 households in the villages of Tashanying and Nozaozhuang in Wangjiazhuang Township, Guye District, causing minor cracks and falling of light bulbs. There were no casualties or other disasters.

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