He explained that the location of the miners is automatically tracked almost every second - the relevant information is sent to the mine dispatcher.
“When we arrived at Listvyazhnaya and asked to provide us with the data of the miners' geolocation devices, they were not there.
And the mine rescuers did not know where exactly to look for the miners who remained underground, "Chupriyan said in an interview with TASS.
An emergency at the mine happened on November 25, as a result of the tragedy 51 people died, 106 were injured.
On December 13, the miners of the VGSCh EMERCOM of Russia raised the body of the last miner who died in an emergency at the Listvyazhnaya mine.
On December 17, the region canceled the emergency regime introduced in connection with the explosion.