Coal Mine Risk
Background
Gevra coal mine is situated in the Korba district of Chhattisgarh, India. It is the largest coal mine in India and one of the largest in the world, with the main pit stretching over 6km from east to west.
Owned by South-Eastern Coalfields Limited, a subsidiary of Coal India Limited, the Gevra mine primarily produces high-grade coal, which is supplied to various industries in India, including steel mills, cement factories, and power plants. The mine has a considerable annual production capacity of 35 million metric tons of coal.
Coal mines are still the primary source of power in much of the world and have been reported to cause local subsidence in some districts.
Insights
Two subsidence zones were identified along pit walls and were flagged as potentially high-risk.
Blue zones of uplift are likely the cause of material movement through normal operations.
No regional subsidence trends outside of the mine extents were detected.
