Houses in a village in Qinghai Province were swept away and some residents are still missing after a 6.2-magnitude earthquake rocked the area on December 18.

Footage from Zhongchuanxiang shows various buildings decimated by a mudslide.

Han Yanyan, a senior engineer at the China Seismological Network Center, said that after many major earthquakes, the so-called "sand surge phenomenon" will occur.

After a strong earthquake occurs, due to the vibration of the earth's crust, the water-bearing sand deep underground will undergo a strong liquefaction. This liquefied sand layer will be squeezed along certain channels and will directly reach the surface.

A village in Qinghai was affected by an earthquake. Sand surged and formed silt. Houses were washed away and some people were missing. Emergency rescue was underway at the scene.

At 23:59 on December 18, a 6.2-magnitude earthquake occurred in Jishishan County, Linxia Prefecture, Gansu Province. Haidong citizens and Jintian Village, Hui and Tu Autonomous County, Qinghai Province were affected by the earthquake and experienced sand surges. Houses were damaged and people were trapped. Fire rescue personnel The mud is being cleared and rescue operations are being carried out.
Han Yanyan, a senior engineer at the China Seismological Network Center, said that after many major earthquakes, the so-called "sand surge phenomenon" will occur. After a strong earthquake occurs, due to the vibration of the earth's crust, the water-bearing sand deep underground will undergo a strong liquefaction phenomenon. This liquefied sand layer will be squeezed along certain channels and will directly reach the surface. Forming the "sand surge phenomenon" we see.