Is Tianjin in an earthquake zone?

Tianjin City belongs to the North China Plain seismic zone.

The southern limit of the North China Plain seismic zone is roughly located on the Xinxiang-Bengbu line, the northern limit is on the south side of Yanshan Mountain, the western limit is on the east side of Taihang Mountain, and the eastern limit is on the western edge of the Lower Liaohe River-Liaodong Bay depression, toward It extends to the southeast of Tianjin in the south, and reaches the Suzhou area in the southeast of the economy. It is the earthquake zone that poses the greatest threat to the Beijing, Tianjin and Tang regions. The 8.0 magnitude earthquake in Sanhe, Hebei Province in 1679 and the 7.8 magnitude earthquake in Tangshan in 1976 occurred in this zone. According to statistics, more than 140 earthquakes of magnitude 4.7 or above have occurred in this area. Among them, there were 5 earthquakes of magnitude 7-7.9 and 1 earthquake of magnitude 8 or above.

Extended information

China is located between the two major seismic zones in the world - the Pacific Rim Seismic Zone and the Eurasian Seismic Zone, and is squeezed by the Pacific Plate, the Indian Plate and the Philippine Sea Plate. , seismic fault zones are very developed.

Since 1900, as many as 550,000 people have died in earthquakes in China, accounting for 53% of global earthquake deaths; since 1949, more than 100 devastating earthquakes have hit 22 provinces (autonomous regions, autonomous regions, Municipalities), involving 14 provinces in the eastern region, killing more than 270,000 people, accounting for 54% of the country’s death toll from various disasters. The area affected by the earthquake reached more than 300,000 square kilometers, and 7 million houses collapsed.

The seriousness of earthquakes and other natural disasters constitutes one of China’s basic national conditions. Earthquakes in China are mainly distributed in five regions: Taiwan, Southwest, Northwest, North China, southeastern coastal areas and 23 seismic zones.

Reference: Baidu Encyclopedia - Earthquake Zone