STADIUM IN DZERZHINSK

2007 | Russia

Stadium is located in the karst danger area.

A sinkhole was found in the upper limestone deposits (500 m thick). 

The funnel descends towards the river system developed along the fault.

Result of our survey showed that location of the suffosion ponor  is on 70-90m depth. The karst spread up to the depth of 40m.

    Examples of karst sinkholes