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MSHA Fatality Alert - January 4, 2023


January 19, 2023 - On January 4, 2023, a miner was fatally injured while performing maintenance inside a jaw crusher. The pitman assembly (moving jaw) rotated, pinning the miner against the crusher housing.

Best Practices

- block machinery components against motion before beginning maintenance or repairs;

- position miners in a safe location and away from potential pinch point areas;

- conduct repairs according to manufacturer’s recommendations; and

- develop procedures for working safely in confined spaces.


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Miners and mine operators can find safety and health information on