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

67 total records

Showing 50 of 67
March 23, 2026 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech EXPLODING VESSELS UNDER PRESSURE
Martin Marietta Materials Soutwest, LLC · Struck by... (Not Elsewhere Classified)

An OTR technician at a quarry installed two spare tires and a new wheel on a Komatsu WA900 loader. While demounting the scrap tire/wheel in the storage yard, EE removed the O-ring with EE's left hand. Residual pressure caused the bead seat band to spring upward, striking EE's left thumb and index finger. This amputated the tip of EE's left index finger and crushed EE's left thumb.

January 19, 2026 TX · Metal/Non-Metal welder (non-shop) OTHER
Martin Marietta Materials Southwest LLC · Struck by flying object

Employee was working in a dusty environment. Later in the shift, they felt their eye irritated. At the end of shift, they flushed with eye wash solution. The next day, the eye condition remained the same, irritated. The following morning, they notified management that they wanted to go the clinic to have it checked out. At the clinic, employee was prescribed a steroid.

November 9, 2025 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Martin Marietta Materials Southwest, LLC · Over-exertion (Not Elsewhere Classified)

EE was walking on even ground near the oversized conveyor and slipped on a slick spot causing them to twist their left ankle and fall to ground (same level).

October 10, 2025 TX · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Martin Marietta Materials Southwest LLC · Struck against a moving object

Loader operator was jolted in loader and suffered head injury.

August 26, 2025 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Martin Marietta Materials Southwest LLC · Caught in, under or between a moving and a stationary object

Employee was installing a bucket cylinder pin with pry bar, the end of the pinch bar broke off and jammed their hand against the corner of the auxiliary valve

August 18, 2025 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials Southwest LLC · Struck by... (Not Elsewhere Classified)

Employee cutting underneath of catwalk on CAT 777 haul truck with 90 degree air die grinder cut top of left hand. Cut resulted in five stitches.

July 8, 2025 TX · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant OTHER
Martin Marietta Materials Southwest, LLC · Unclassified, insufficient data

The Medical Technician with Professional Health Services was onsite, working in their mobile unit, conducting medical surveillance when they suffered a personal medical episode. The Technician was transported to the hospital via ambulance. The Technician was diagnosed with a vitamin deficiency and was released without restrictions.

May 17, 2024 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Martin Marietta Materials Southwest LLC · Struck by... (Not Elsewhere Classified)

EE was removing housing off a pump, EE hit flange on back swing causing hammer to deflect and make contact with left thumb, which fractured it.

April 30, 2024 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials Southwest, LLC · Caught in, under or between a moving and a stationary object

Mechanic was standing by service truck with back to machine when Bed Rock mechanic moved excavator and pinned 1st mechanic against service truck with the bucket.

April 12, 2024 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Materials Southwest LLC · Caught in, under or between a moving and a stationary object

EE was moving a large rock, rock slipped, EE moved to grab it and EE's thumb was smashed between the rock and loader frame. EE received a fracture to tip of right thumb and received 7 stitches.

January 31, 2024 TX · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
Martin Marietta Materials Southwest, LLC · Fall onto or against objects

The employee fainted while working in a confined space and suffered a cut above the eyebrow. The plant called for an ambulance and the employee was taken to the hospital.

December 5, 2023 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials Southwest, LLC · Caught in, under or between a moving and a stationary object

Technician was removing bottom guard from machine. Guard was held with a lifting strap attached to the work truck. When the guard was removed it shifted to one side caused by the material that was inside the guard. This resulted in EE's finger being caught between the ground and impact gun. This caused a laceration and broken bone on EE's left pointer finger.

November 8, 2023 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Martin Marietta Materials Southwest, LLC · Fall to the walkway or working surface

Employee tripped over asphalt parking hump which serves as a park ditch/wheel chock and fell causing a chip to a bone in left wrist

September 6, 2023 OK · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Martin Marietta Materials Southwest, LLC · Struck against stationary object

The employee drove a 239D cat skid loader down to the shop fueling area to get fuel. The employee was standing in front of the fuel nozzle with their forearm resting on the back of the skid steer when fuel came shooting out causing EE to jump. EE's forearm snagged a sharp sliver of metal on the back of the skid steer cutting EE's forearm which required stitches.

July 10, 2023 TX · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Martin Marietta Materials Southwest LLC · Over-exertion in lifting objects

EE was moving rock from choked crusher. Rock was in front of EE and EE tried to adjust it. EE heard shoulder pop and then felt intense pain.

June 26, 2023 TX · Metal/Non-Metal drill helper DISORDERS (PHYSICAL AGENTS)

Employee was working on a core drill rig when EE began experiencing minor heat stress symptoms. EE received conservative care on site and worked the rest of EE's shift without incident. However, heat stress symptoms persisted after the shift was over and EE was taken to a local hospital, where EE was admitted, given IV fluids, and treated for acute kidney injury.

May 9, 2023 TX · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman DISORDERS (PHYSICAL AGENTS)

The contractor was coming up the stairs when the contractor felt dizzy and passed out.

February 9, 2023 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials Southwest LLC · Struck by... (Not Elsewhere Classified)

EE was holding counter sunk bolt up in position while using impact to loosen nut, impact caused bolt to turn cutting palm of EE left hand.

December 13, 2021 TX · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Martin Marietta Materials Southwest, LLC · Caught in, under or between a moving and a stationary object

Customer truck driver pulled into tarping area behind another truck and failed to set parking brake before exiting the truck. The driver did not use wheel chocks as required. The customer truck driver was fatally injured when customer's truck moved forward and pinned customer truck driver against the other drivers truck.

December 8, 2021 TX · Metal/Non-Metal carpenter HANDLING OF MATERIALS
Martin Marietta Materials Southwest LLC · Struck by... (Not Elsewhere Classified)

Conditions were dry, and clear. Poor hand placement while wrecking concrete footing forms. Laceration to the employees right hand was approximately an inch in length and approximately half an inch deep.

November 19, 2020 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Martin Marietta Materials Southwest LLC · Caught in, under or between (Not Elsewhere Classified)

Employee was walking to the 506 feeder in the 2 barrel, employee attempted to step over a large rock and EE's foot slipped and slid under the conveyor, twisting EE's knee to the side.

September 5, 2020 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials Southwest LLC · Struck by flying object

Gear tooth broke on hydraulic motor causing the tire manipulator to jump striking employee on the right side of the body.

April 21, 2020 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Martin Marietta Materials Southwest LLC · Struck against a moving object

EE was traversing the manlift and hit a bumpy spot and bounced up and came down on right leg while fully extended causing pain.

October 11, 2019 TX · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
Martin Marietta Materials Southwest LLC · Caught in, under or between a moving and a stationary object

EE1 opened clogged crusher, entered and began removing larger rocks through the crusher door. EE2 was on the platform outside moving rocks from the door over the edge of the platform to the ground. A rock shifted and pinched EE2 finger against the steel crusher door.

October 8, 2019 TX · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Martin Marietta Materials Southwest LLC · Struck by falling object

Employee was completing pre-operating inspection when the engine hood spring mechanism failed. This resulted in the hood contacting the employees right arm. Employee was seen at the clinic where an x-ray revealed a fracture to the arm. Employee was released to light duty.

August 15, 2019 TX · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON

EE had clocked out at the end of shift and was exiting the building via stairs. It had recently rained and the EE slipped and fell. Bruising the left triceps and left mid-back.

June 26, 2019 TX · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Martin Marietta Materials Southwest LLC · Struck by falling object

Rock rolled back off of conveyor and struck employee's gloved hand causing a fracture to EE's pinky finger

March 18, 2019 TX · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Martin Marietta Materials Southwest, LLC · Over-exertion in lifting objects

EE was pulling chocks off the rear counter weight of EE's loader with one hand, allowing the chock to fall to the ground while continuing to hold on to it. Due to the use of improper body mechanics and techniques the EE felt a muscle strain in EE's back.

September 11, 2018 TX · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Martin Marietta Materials Southwest LLC · Struck against a moving object

Employee was assigned to load shot rock and #2 base into CAT 775 haul trucks. Employee started feeling discomfort in the lower back around mid-morning, it was not until EE got out of the loader to use the bathroom that EE felt a more intense pain coming from the lower right side of EE's back. This was about 10:00 AM.

July 30, 2018 TX · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON

Front End Loader Operator of a CAT 970 F was standing on the top step when the Operator lost balance and landed on the ground with all weight on right leg. This resulted in a fractured right tibia.

June 12, 2017 TX · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator OTHER
Martin Marietta Materials Southwest LLC · Bodily reaction, (Not Elsewhere Classified)

Employee ran to activate stop button on conveyor as EE saw it choking up. Noticed back hurting afterwards.

December 17, 2016 TX · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Martin Marietta Materials Southwest LLC · Struck against stationary object

Employee reached under a plywood sheet and made contact with a circular saw blade to little finger. Employee received 7 stitches to finger.

March 29, 2016 TX · Metal/Non-Metal outside foreman, leadman MACHINERY
Martin Marietta Materials Southwest LLC · Caught in, under or between running or meshing objects

EE was at a Martin Marietta (customer) job site and was using a customer provided 1" drive impact wrench to loosen/tighten bolts while changing out blow bars on a crusher. Protruding pin from impact wrench extension caught EE's glove & twisted EE's R hand, bending thumb way back. EE sustained strain to hand, causing soft tissue/ligament damage/swelling. MRI ordered.

February 15, 2016 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech EXPLODING VESSELS UNDER PRESSURE
Martin Marietta Materials Southwest LLC · Struck by... (Not Elsewhere Classified)

Employee was testing for a leak on a crane hydraulic pump motor and a seal blew out cutting the employees finger with hydraulic fluid. Employee was treated and released to full duty. Finger became infected 2 months later.

October 8, 2015 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Martin Marietta Materials Southwest LLC · Struck by... (Not Elsewhere Classified)

Employee hit tip of finger with a hammer while seating a bearing on equipment. Gloves were in use. Accident was treated as a first aid until 10/15/2015 when infection set in and he was taken for a higher level of care. Employee is restricted with use of left hand.

August 28, 2015 TX · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Martin Marietta Materials Southwest LLC · Struck against a moving object

Employee was being loaded and the truck shook. As material was being placed in the truck the employee was looking out his side mirror and says he felt his neck pop. Employee has a stiff neck.

April 30, 2015 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Materials Southwest LLC · Caught in, under or between (Not Elsewhere Classified)

Employee was inspecting transmission filter on a loader during preventive maintenance. Upon completing inspection, the access cover dropped into its closed position pinning employee's right hand between the access cover and the supporting structure. The result was two fracture fingers.

March 31, 2015 TX · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Martin Marietta Materials Southwest LLC · Struck by... (Not Elsewhere Classified)

Employee was pulling cable while walking up the steps. The cable got caught in the counterweight of the drive, pulling the cable away from employee resulting in a laceration on his right thumb and right torso.

November 14, 2014 TX · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON

Driver climbed up on top of the bulk truck bed with out wearing a fall protection harness/lanyard and also failed to put up the pneumatic handrail up as required. He was on top of of the truck attempting to close the hatch and lost his balance falling off causing serious injuries. He was transported to the hospital and has a broke right leg and right wrist.

August 2, 2014 TX · Metal/Non-Metal weighman, scale person HANDTOOLS (NONPOWERED)
Martin Marietta Materials Southwest, LLC · Struck by... (Not Elsewhere Classified)

Employee had opened a box that contained a pressure washer. The employee then was trying to pull a tag off of the machine (pressure washer). At that moment he pulled out a personal knife to cut the tag off. The knife went through the tag and his left hand (thumb)causing a laceration.

May 17, 2014 TX · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
Martin Marietta Materials Southwest LLC · Caught in, under or between a moving and a stationary object

Employee was cleaning the bottom hopper when the flowing material forced the hatch open pinning employee's leg to the railing which made a small cut on his left leg.

Showing 50 of 67