What is the main cause of gas explosions?

The main cause of gas explosions is the accidental ignition of accumulated gas from a leak. When there is a leak in a gas line or appliance, natural gas can build up in an enclosed space. If this gas concentration reaches a certain level and encounters an ignition source—such as a spark, flame, or heat—the gas can ignite, leading to an explosion.

This scenario highlights the importance of proper gas safety measures, such as regular inspections, maintaining equipment, and promptly addressing gas leaks to prevent the dangerous buildup of gas. While spontaneous combustion, natural disasters, and faulty appliances can contribute to hazardous situations, they are not the primary drivers of gas explosions as the accidental ignition of accumulated gas is. Low concentrations of gas dispersing in open air are generally safe, and it is the accumulation of gas in a confined space that poses the greatest risk.