Upper Big Branch Mine disaster

The Upper Big Branch Mine disaster occurred on April 5, 2010, in West Virginia, when an explosion killed 29 miners. Investigations revealed safety violations and poor ventilation, which allowed a build-up of methane gas and coal dust. The tragedy exposed systemic issues in mine safety regulations, leading to reforms in the industry. It highlighted the risks miners face and the need for stricter enforcement of safety standards. The disaster remains one of the deadliest in U.S. history, underscoring the importance of protecting workers in hazardous environments.