Dictionary of Geotourism

2020 Edition
| Editors: Anze Chen, Young Ng, Erkuang Zhang, Mingzhong Tian

Great Wall Dislocation Relics

Reference work entry
DOI: https://doi.org/10.1007/978-981-13-2538-0_979

These are faults that have been formed due to earthquakes that took place near the Great Wall. According to seismic investigations, the 1739 magnitude 8 Pingluo-Yinchuan Earthquake caused seismic displacement on faults that damaged two sections of the Ming Dynasty’s Great Wall in Hong Guozhi Gou. The largest vertical displacement on the cracks in the wall was 1.5 m, and the dextral horizontal displacement was 1.45 m. In the mid-1980s, seismic geologists in China investigated the active faults and discovered that they were a branch of an active fault zone in the eastern foothills of the Helan Mountains. There are many other ruins along this fault zone associated with historical and prehistoric earthquakes. Dislocation features associated with the Great Wall were also found in Huangyaguan in Jixian County, Tianjin City. However, these relics were damaged by the repairs performed by the management groups to connect the broken sections of the Great Wall.

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