Nanning, June 8 / Xinhua / — On Thursday night, in a village settlement Tanlo, administratively subordinate Sisyantan District of Nanning City — the administrative center of the Guangxi Zhuang Autonomous Region / GCHAR, South China /, where the incident took place a few days ago subsidence, were recorded five new subsidence ground.
As a result, more than 300 local high school students were evacuated to another school or to temporarily remain at home.
Recall that the first case of subsidence occurred on 1 June during penetration well in one of the secondary schools of the village Tanlo. As a result, formed hole diameter of 2.5 m and a depth of 1.5 m at the entrance to these schools. Along with this, the section of the road at the county level Shifu — Tanlo in four communities within 500 m of any individual cases as surface subsidence. As a result, one building collapsed, seven buildings were cracked or askew, urgently evacuated 844 villagers.
This time, one of the area formed as a result of settling new failures even reached 300 square meters
Preliminary expert analysis showed that subsidence in the village Tanlo could be caused by pumping water in karst terrain.