Mining Incidents

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Every injury and fatality MSHA has on file. Filter by state, year, sector, classification, experience, or any keyword from the investigator's narrative.

Total incidents
273,095
Of which fatal
1,202
Years on record
2000–2026
Classifications
20
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The record

224 total records

Showing 50 of 224
January 6, 2026 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · MACHINERY
National Cement Company Of California Inc · Caught in, under or between running or meshing objects

During preparation for dismantling of motor and gear box on slide gate. Employee didn't follow given instructions and removed all bolts from gearbox. That cause released of stored energy on slide gate and motor with gear box start spinning. Employee got caught by the equipment and started spinning with it. During spinning their head hit the handrail which caused a fatal injury.

January 6, 2026 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
National Cement Company Of California Inc · Struck by flying object

During preparation for dismantling of motor and gearbox on slide gate EE's coworker released all bolts on gearbox which cause spinning of motor and gearbox. Coworker got caught by equipment and started spinning with it. During spinning coworker's body hit employee and caused them bruises on their leg and arm.

August 20, 2025 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
National Cement Company Of California Inc · Fall onto or against objects

EE slipped and fell and cut EE's right forearm. It required 6 stitches and EE was placed on modified duty.

July 21, 2025 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
National Cement Company Of California Inc · Contact with hot objects or substances

Miner working on emission analysis equipment located in the third stage of the pyro processing tower, Miner was cleaning the sample probe, the sample probe was still hot when the miner accidentally touched it with EE's hands. Miner show minor burns in palm of EE's hands.

February 5, 2025 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON

On final day of EE's job, employee was descending a 15' fixed ladder with a cage when EE's foot slipped and EE fell approximately 10'. Employee broke EE's left fibula.

December 3, 2024 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
National Cement Company Of California Inc · Struck against a moving object

EE states they have back pain from driving a haul truck. EE was placed off work due to not being able to drive to and from work.

September 4, 2024 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman OTHER
National Cement Company Of California Inc · Bodily reaction, (Not Elsewhere Classified)

Employee was knelling down. When they went to stand up they strained they left knee

June 27, 2024 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
National Cement Company Of California Inc · Over-exertion in pulling or pushing objects

EE was pushing a portable welder. As EE was doing so, EE strained right hamstring.

January 23, 2024 CA · Metal/Non-Metal electrician, lineman ELECTRICAL
National Cement Company Of California Inc · Flash burns (electric)

EE was performing preventative maintenance on an MCC bucket. While checking the A phase line side termination EE lifted EE's arc flash hood to align EE's screw driver correctly, as EE lowered EE's hood the screw drive made contact with the frame of the bucket causing an arc flash. EE sustained 2nd degree burns to face.

September 30, 2023 CA · Metal/Non-Metal electrician, lineman ELECTRICAL
National Cement Company Of California Inc · Contact with electrical current

Electrician had inserted a new breaker bucket to a 480 volt panel and attempted to re-energize the panel. Upon doing so the breaker shorted causing the miner to sustain burns.

August 25, 2023 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON

Employee was working on the pre-heater tower. As EE was coming down a stairway, EE slipped/tripped on the last step. EE fell onto the mezzanine straining their back.

July 25, 2023 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
National Cement Company Of California Inc · Struck by... (Not Elsewhere Classified)

Employee was water blasting in the tower. As EE was holding the gun, EE pulled the hose causing the safety pedal to be pushed down. This in turn pressurized the gun causing it to strike the miner above the left eye.

July 11, 2023 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
National Cement Company Of California Inc · Struck by flying object

EE got dust in eye. The next day EE reported irritation in the eye and was sent to the clinic.

June 21, 2023 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
National Cement Company Of California Inc · Over-exertion (Not Elsewhere Classified)

Miner claims to have injured (R) knee climbing stairs, while fetching a fire extinguisher to extinguish a spot fire, while on watch.

May 9, 2023 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
National Cement Company Of California Inc · Over-exertion (Not Elsewhere Classified)

EE was walking down some stairs and EE's hand slipped off the handrail. This caused EE to stumble and loose EE's balance. When trying to recover from the slip EE stepped on a curb and rolled EE's ankle.

January 12, 2023 CA · Metal/Non-Metal electrician, lineman HANDTOOLS (NONPOWERED)
National Cement Company Of California Inc · Caught in, under or between a moving and a stationary object

EE was removing a thermocouple from the tower using a pipe wrench. The pipe wrench slipped off the thermocouple and pinched left pinky between the pipe wrench and the handrail.

January 7, 2021 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
National Cement Company Of California Inc · Over-exertion (Not Elsewhere Classified)

Employee was climbing into Ball Mill 2. As EE got to the end of the flights EE stepped down straining EE's left knee.

December 4, 2020 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor ALL OTHER OCCUPATIONAL ILLNESSES
National Cement Company Of California Inc · (Not Elsewhere Classified)

EE tested positive for covid. EE had symptoms after EE's round of day shifts.

December 2, 2020 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor ALL OTHER OCCUPATIONAL ILLNESSES
National Cement Company Of California Inc · (Not Elsewhere Classified)

EE tested positive for covid. EE had symptoms after EE's round of night shifts.

December 1, 2020 CA · Metal/Non-Metal master mechanic, foreman, supervisor OTHER
National Cement Company Of California Inc · (Not Elsewhere Classified)

Employee tested positive for covid on 12/1/20. I was notified by employee that was admitted to the hospital on 12/5/2020. I reported it to MSHA to err on the side of caution. Employee is not aware of how or when they got the virus.

January 15, 2020 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
National Cement Company Of California Inc · Struck by falling object

While EE was welding a plate inside the crusher, a rock that was lodged in the rollers (overhead) became dislodged and struck EE in the back of the head, near EE's ear. Medical treatment was provided and EE was diagnosed with a concussion.

July 2, 2019 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
National Cement Company Of California Inc · Struck by... (Not Elsewhere Classified)

Expanded metal slid and cut EE's right forearm. Accident time unknown safety manager on vacation.

March 7, 2019 CA · Metal/Non-Metal mason MACHINERY
National Cement Company Of California Inc · Caught in, under or between running or meshing objects

While grinding, grinder became wedged between flapper gate causing the grinder to kick back and strike employee in area above the right knee. This caused a 6 cm laceration to that area. This resulted in 7 stitches

February 19, 2019 CA · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
National Cement Company Of California Inc · Struck against stationary object

Employee vehicle got stuck on the plant road. As employee reached under vehicle to hook up a tow strap employee jammed left hand index finger breaking it.

September 13, 2017 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
National Cement Company Of California Inc · Struck against a moving object

EE was operating the loader and hit a pothole causing back to hurt. EE declined medical attention at first but asked to go to the doctor on 9/19/17.

September 16, 2016 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
National Cement Company Of California Inc · Caught in, under or between a moving and a stationary object

The employee was cleaning a plugged chute and stuck ee hand into a rotary feeder.

September 8, 2016 CA · Metal/Non-Metal ledgeman/hand, quarry man POWERED HAULAGE
National Cement Company Of California Inc · Struck against a moving object

Over the last 4 years ee noticed back was hurting when operating mobile equipment. Over time the pain became unmanageable and the employee was placed on light duty.

August 10, 2016 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
National Cement Company Of California Inc · Caught in, under or between running or meshing objects

EE put left hand next to clay bailey to check the draft and hand was slightly pulled in the clay bailey. This caused EE to pinch finger in-between pin on screw and clay bailey.

August 9, 2016 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
National Cement Company Of California Inc · Struck by... (Not Elsewhere Classified)

EE was cleaning a chute and it appears EE stuck hand into a clay bailey while holding a flash light. As hand entered through the clay bailey and into the screw conveyor housing, a piece of round stock cut hand.

Showing 50 of 224