From 'death pit' in Thanh Hoa discovered caster cave

After surveying at the 'death pit' that appeared in village 2, Quy Loc commune (Yen Dinh district, Thanh Hoa), the mission of the Ministry of Natural Resources and Environment (TN&MT) collaborated with Thanh Hoa DONRE. There is a caster cave near the sinking pit area.

>>>Huge death hole appeared in Thanh Hoa

On November 4, the information of Thanh Hoa DONRE said that the mission of the Institute of Mining - Geology and General Department of Mining - Geology and Minerals Ministry of Natural Resources and Environment together with Thanh Hoa Department of Natural Resources and Environment conducted surveys and inspected the area. sinking pit. Thereby, the specialized agency said it was discovered a caster cave is located near the place of the 'death hole'.

The hole suddenly appeared 12m wide, 25m deep

Prior to the discovery, authorities continued to survey the geology of the surrounding area and accurately measured the area of ​​the caster cave to get a handle.

Previously, on November 1, Thanh Hoa Provincial People's Committee issued an official dispatch to direct Quy Loc commune to urgently move 6 households within the influence of 'death hole' ; set up barriers within a radius of 10 - 15m, absolutely do not let people approach the landslide pit; At the same time, propagating to the people in the region about this geological phenomenon, avoiding causing confusion in public opinion.

In addition, the provincial People's Committee also prohibits people from drilling underground wells, suspending the blasting and quarrying activities within a distance of 500 m. At the same time, the authorities continue to survey and monitor developments to have plans to deal with subsidence pits.

Earlier, as the Traffic Newspaper reported, about 4 am on October 28, people in Village 2, Quy Loc commune discovered 'death hole' 12m wide, 25m deep suddenly appeared as subsidence of home garden land. Mr. Duong Duc Hien and the inter-commune road. According to PV, the sinking occurred as a normal geological activity and happened in some other provinces.

Caster (Karst) is a phenomenon of rock being eroded, eroded by water combining soil over time. This phenomenon takes place in the ground creating caves and underground rivers. This is often seen in limestone areas.

Karst phenomenon creates interesting natural scenery like Ha Long bay, Phong Nha cave . However, sometimes it also creates many risks such as earthquakes, subsidence .