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

366 total records

Showing 50 of 366
April 1, 2026 MI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Over-exertion in pulling or pushing objects

EE was installing idler. Pushed on idler to put bolt in to hold idler from moving EE felt a pop in their right wrist. Medical treatment sought. Work restrictions issued due to sprain.

March 24, 2026 MI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Struck by falling object

EE was moving an idler for conveyor. One end was in the air and fell on EE left foot missing the steel toe of EE's boot by an inch. Idler is 82" long by 6" wide.

March 2, 2026 MI · Metal/Non-Metal ball/rod/pebble/hand/limestone/dry mill operator, roller operator HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Over-exertion in lifting objects

EEs were in the process of removing old belting. Roughly 30lbs of belting per piece. EE lifted the old belting up with assistance from another EE onto a cart to take out of tunnel. When they bent over to pick up another piece they felt a sharp pain across their lower back.

February 19, 2026 MI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
O-N Minerals (Michigan) Company · Fall from machine

EE fell 10ft 10in while leaning out a 11-1/2 in opening between a screen and adjacent handrail trying to look at the screen springs.

December 19, 2025 MI · Metal/Non-Metal ball/rod/pebble/hand/limestone/dry mill operator, roller operator SLIP OR FALL OF PERSON
O-N Minerals (Michigan) Company · Fall down stairs

EE slipped down an icy stair way and landed on their arm, resulting in a dislocated shoulder.

October 28, 2025 MI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Caught in, under or between a moving and a stationary object

ee was removing idlers from conveyor for a belt change. when they went to move the idler to the floor, their finger got pinched/rolled in between the cans causing a laceration / split to right pinky finger.

August 15, 2025 MI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Over-exertion in pulling or pushing objects

ee was pulling the slack out of a wash hose when they felt a pop in their back. Incident occurred on 8/15/2025 - ee was evaluated by medical professional and released to work without restrictions. Pain was not getting better so went back to the doctor and was put off work on 9/8/2025.

August 14, 2025 MI · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Over-exertion in wielding or throwing objects

ee was throwing scrap steel into the skip when EE reaggravated a strain in EE's shoulder that occurred the day before.

August 1, 2025 MI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech NONPOWERED HAULAGE
O-N Minerals (Michigan) Company · Over-exertion (Not Elsewhere Classified)

employee was pushing a welding cart across the shop. one of the wheels fell into a low spot/crack in the concrete causing the cart to tilt. Employee reactively reached out with EE's arm to try to catch it in case it fell and felt a strain in EE's shoulder. cart is appx 100 lbs.

May 29, 2025 MI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
O-N Minerals (Michigan) Company · Fall to the walkway or working surface

EE was pulling the fuel hose out of the fuel truck, as EE was pulling the hose out of the fuel truck, EE was walking backwards pulling the hose and EE tripped on a couple of large rocks causing EE to fall and twist EE's ankle.

May 27, 2025 MI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Over-exertion in lifting objects

EE was trying to lift new bearing housing into place on take up. EE said EE was in an awkward position and said EE hurt EE's left wrist.

March 7, 2025 MI · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey SLIP OR FALL OF PERSON
O-N Minerals (Michigan) Company · Fall to the walkway or working surface

ee was spotting a haul truck, and as the ee was walking backwards, tripped over some loose stone/uneven ground and fell resulting in lacerations to hands and legs.

March 3, 2025 MI · Metal/Non-Metal ball/rod/pebble/hand/limestone/dry mill operator, roller operator HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Over-exertion in lifting objects

Employees had a shaft in the upright position in the elevator. when they arrived their floor, one ee held the top while the other bent down to pick up the bottom end. Upon lifting, the ee felt a pop sensation in the groin area. The shaft weighed appx 100 lbs according to ee's. EE sought medical treatment on 3/6 and was put on work restrictions.

February 18, 2025 MI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Struck by falling object

Employee was rolling a piece of pipe on the welding table and it hit a piece of angle that was also on the table causing it to fall off and land on employee's left foot just behind the steel toe leaving it bruised and swollen. Employee did not seek medical attention until a later date- ee was put off work eff 3/6/25.

December 8, 2024 MI · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Over-exertion in lifting objects

EE was lifting trays of stone for sampling when they felt a strain in their shoulder. Incident was reported on 12/10. EE sought medical treatment on 12/18 and was issued work restrictions and continued medical treatment.

November 16, 2024 MI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Over-exertion in lifting objects

EE was lifting a piece of plate steel into place with left hand - felt pop in bicep upon lifting. Suspected rupture of tendon; currently under medical evaluation.

November 15, 2024 MI · Metal/Non-Metal FIRE
O-N Minerals (Michigan) Company · Accident type, without injuries

Roll crusher stalled, but drive belt kept running. Friction caused it to start on fire then ignite grease that lubricates the bearings. Response procedures executed at 5:57 when fire was discovered (contact fire dept & evacuation). Extinguished at 7:18. No entrapment or injuries. Minor damage to equipment. Inspection underway.

September 26, 2024 MI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Caught in, under or between a moving and a stationary object

Ee was moving/loading reducers for transport when one shifted causing hand to get pinched between the two items resulting in laceration/stitches.

September 18, 2024 MI · Metal/Non-Metal FIRE
O-N Minerals (Michigan) Company · Accident type, without injuries

contracted stripping crew reported a chip trailer had started on fire likely due to sparks from chipper igniting the chips. Operations were immediately shut down, emergency response executed and plant water trucks / local fire dept were called to assist. Fire was extinguished, all clear was given at appx 7:45 pm. NO injuries. Fire did not spread beyond top of trailer.

August 28, 2024 MI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Caught in, under or between two or more moving objects

EE was heading to the top of the mill in the elevator to check an alarm. Upon reaching the 12th floor EE got out of the elevator and went to close the elevator door. EE was pulling the Strap on the outside of the door and EE's hand got crushed between the doors. Work restrictions issued after medical evaluation.

July 31, 2024 MI · Metal/Non-Metal plumber, pipefitter, millwright HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Over-exertion in lifting objects

EE bent down to remove toilet & felt a strain in back - reported at time of incident, no treatment sought at the time. EE was treated on 8/12/24 in ER due to ongoing/increased pain. Was put off work - became reportable at that time.

July 30, 2024 MI · Metal/Non-Metal ball/rod/pebble/hand/limestone/dry mill operator, roller operator MACHINERY
O-N Minerals (Michigan) Company · Contact with hot objects or substances

EE was welding/torching when piece of hot slag/steel fell into tongue of boot and burned through boot, sock and onto skin. First Aid applied - ee sought medical treatment on 8/7 due to increasing pain. wound was infected resulting in prescribed medication and time off work.

July 1, 2024 MI · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Struck by... (Not Elsewhere Classified)

EE was rolling fuel hose back into hose reel when end kicked up and hit EE in the mouth resulting in chipped tooth. Treatment sought on 8/6/24. Confirmed type of treatment that was provided with dentist on 8/21.

June 4, 2024 MI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Struck against stationary object

Employee was attempting to remove an oil drain plug, and when it broke free, employee smashed pinky finger on a pipe

May 22, 2024 MI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Over-exertion in lifting objects

EE lifted a 2 x 12 plank to move it out of the way - as EE lifted, EE heard a "pop" in left bicep followed by shooting pain down to fingers on left hand. EE did a report only at the time, but sought treatment a few days later and has been put on work restrictions with further medical evaluation.

April 11, 2024 MI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Struck by... (Not Elsewhere Classified)

EE reported discomfort in ankle - no specific event or incident contributed to the onset of pain. Following day, EE was experiencing increased swelling/pain and wasn't feeling well. Went to ER - admitted for severe bacterial infection in ankle assumed to be attributed to something in the water at work. EE was working in wet area at time of report. Still under investigation.

March 12, 2024 MI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Caught in, under or between a moving and a stationary object

Employees finger was pinched between screen deck media & frame resulting in laceration and fractured finger tip.

February 12, 2024 MI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator STEPPING OR KNEELING ON OBJECT
O-N Minerals (Michigan) Company · Struck against stationary object

EE stepped off a platform (appx 12" high) onto a rock (4-5" diameter) which caused an ankle sprain. Lost time/work restrictions issued.

January 30, 2024 MI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
O-N Minerals (Michigan) Company · Fall from machine

Employee was working in the mine companies shop in good, dry conditions. Employee was repairing a Motor Grader and was working on the turntable, about 2 feet off the ground. When they went to get down off the turntable they missed the step and fell 2 feet to the ground, injuring their left hip.

November 15, 2023 MI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer STEPPING OR KNEELING ON OBJECT
O-N Minerals (Michigan) Company · Struck against stationary object

ee was going in for break - when EE exited the cab of the haul truck and walked across the catwalk to access the ladder, EE stepped on a large stone that was in the catwalk resulting in a sharp pain in EE's left foot. EE did not report the incident until 11/20/2023.

September 29, 2023 MI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
O-N Minerals (Michigan) Company · Over-exertion (Not Elsewhere Classified)

ee was climbing the access ladder to CAT haul truck. Gloved hand slipped causing ee to lose balance and fall to the ground. ee was on bottom rung of ladder. incident was reported on 9/29. EE sought initial medical treatment on 12/11 - evaluated on and work restrictions issued on 12/18.

August 12, 2023 MI · Metal/Non-Metal utility man, shift tech, service/dump truck operator SLIP OR FALL OF PERSON
O-N Minerals (Michigan) Company · Fall from scaffolds, walkways, platforms

EEs were replacing deck plate on walkway. EEs left area then one returned to get a tool. Fell through opening in walkway, appx 13' to ground level. EE sustained cut to right hand and possible injury to vertebrae.

July 27, 2023 MI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator DISORDERS (PHYSICAL AGENTS)
O-N Minerals (Michigan) Company · Contact with heat

Ee was working in high heat/humid conditions and experienced signs of heat exhaustion/dehydration - was treated and prescribed rest/off work for 2 days.

July 25, 2023 MI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STEPPING OR KNEELING ON OBJECT
O-N Minerals (Michigan) Company · Struck against stationary object

Ee was pulling a hose to fuel/service a piece of mobile equipment when they stepped on a rock and rolled their ankle which aggravated a pre-existing injury.

June 28, 2023 MI · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
O-N Minerals (Michigan) Company · Caught in, under or between a moving and a stationary object

EE was assisting in an off road haul truck tire change. EE leaned in to gain a better view and inadvertently placed right foot in front of the Skidsteer track. A co-worker operating the skidsteer was unaware of this and let the skidsteer roll or creep forward, causing contact with EE's foot.

June 27, 2023 MI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
O-N Minerals (Michigan) Company · Struck by... (Not Elsewhere Classified)

EE was using a utility knife to cut down boxes for recycling - thicker box required more force. Knife slipped at overlap point resulting in cut to abdomen. Cut required stitches and lifting restrictions.

April 19, 2023 MI · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
O-N Minerals (Michigan) Company · Struck against a moving object

Haul road conditions deteriorated over the course of the shift resulting in strenuous operating for the haul truck drivers; EE experienced back strain as a result of conditions.

January 30, 2023 MI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Over-exertion (Not Elsewhere Classified)

EE was climbing over conveyor belt so EE and another EE could finish securing the new conveyor channel and support leg install and felt a strain in left groin area.

January 18, 2023 MI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
O-N Minerals (Michigan) Company · Over-exertion (Not Elsewhere Classified)

Ee was assisting with lifting a bearing housing. Bearing lost balance and ee tried to catch it, but lost own balance in the process. EE tried to catch themselves by using hand railing, resulting in strain to shoulder. Was a report only until 5/1/23 when ee started to receive physical therapy for injury - company notified on 5/3/23.

December 8, 2022 MI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer DISORDERS (REPEATED TRAUMA)
O-N Minerals (Michigan) Company · Over-exertion (Not Elsewhere Classified)

EE was shoveling stone (12/8) and power washing (12/12) - activities resulted in aggravation of a previous (non-work) injury causing strain/discomfort to forearm. Work restrictions given.

December 2, 2022 MI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
O-N Minerals (Michigan) Company · Fall from scaffolds, walkways, platforms

Employee fell through opening in walkway.

September 22, 2022 MI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
O-N Minerals (Michigan) Company · Fall onto or against objects

EE was attempting to loosen a bolt with a wrench. When putting force/pressure on the wrench, it slipped off the bolt causing the EE to lose balance and fall backwards onto a railing. EE had strain/bruising as a result of the incident.

August 19, 2022 MI · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant OTHER
O-N Minerals (Michigan) Company · (Not Elsewhere Classified)

EE became ill from suspected (but unconfirmed) heat exhaustion; lost consciousness and was transported via ambulance for further treatment. EE still under evaluation, and incident still under investigation.

March 24, 2022 MI · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
O-N Minerals (Michigan) Company · Over-exertion in lifting objects

employee was working on replacing bearings which entailed repetitive lifting (with assistance), and resulted in an abdominal strain.

Showing 50 of 366