Question

why underground mining is so risky ?

Answer 1

Many accidents occur when the mineprops collapse due to earth tremors. Explosions, too, trigger casualties when ventilation systems fail to effectively remove exhaust from mining equipment, coal dust and natural underground gas leaks. ... Others require mines to be inspected regularly to ensure they are safe.

Answer 2

because there  number of huge rocks are present. If any mistake is done there. We might be lost our life. So it is very risky about underground mining .