Taiwan has two consecutive earthquakes, why is Jiangsu strong in many places?Expert explained like this

Attachment News China Earthquake Network News, on September 17 and September 18, a magnitude 6.5 earthquake and a magnitude 6.9 earthquake occurred in Taitung County and Hualien County, Taiwan. Some high -rise buildings in Changzhou, Nantong and other places are obvious. Jiangsu Province is more than 1,000 kilometers away from Taiwan Province. Why is the sense of shock so strong? Xinhua Daily · Jiaojian reporter interviewed Yang Yun, senior engineer of Jiangsu Earthquake.

The earth where we live about 5 million earthquakes each year, and there are about one percent of the earthquake. Some of the earthquakes have a long influence. "Earthquake waves caused by earthquakes will cause ground vibration, which may cause feel. Generally speaking, the larger the earthquake magnitude, the closer the distance between the earthquake, the shallower the depth of the earthquake, the stronger the earthquake, and the more the influence range, the more Big. In fact, the eastern part of China is often affected by the strong earthquakes of Taiwan and nearby waters. "Yang Yun said.

He said that there is a strong sense of earthquake away from the Taiwan earthquake thousands of miles away. The main factors are: after the earthquake occurs, there will be a variety of frequency earthquake waves. Among them, the frequency of low -frequency earthquake waves is closer to the inherent frequency of high -rise buildings, which can easily cause cause The resonance reactions of high -rise buildings, so people living in the high -rise will have a stronger sense of shock. The sense of earthquake is related to the site conditions of the building. When the building is located on the sedimentary basin or the surface coverage, the earth vibration has a significant magnification effect due to the low density of the soft soil layer. In addition, the sense of earthquake is also related to people's sensitivity. Under normal circumstances, in a relatively quiet state, people are more likely to feel the earthquake.

Yang Yun reminded everyone that with the continuous improvement of my country's earthquake resistance and defense capacity, the distant strong earthquake generally does not cause damage. Everyone treats calmly and does not have to panic.

Xinhua Daily · Jiaojiao Reporter Zhang Xuan

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