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
Filters 2 active
Time period
Experience at time of incident

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The record

129 matching records

Showing 50 of 129
March 24, 2026 IN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials Inc · Struck by... (Not Elsewhere Classified)

The associate was drilling through a rubber sheet and the drill bit went through the rubber sheet and contacted EE's hand resulting in a laceration.

January 9, 2026 GA · Metal/Non-Metal welder (non-shop) MACHINERY
Martin Marietta Materials Inc. · Struck by flying object

EE was cutting wedge bolt from stationary jaw dye. While cutting the wedge bolt, the bolt sheared and made contact with EE's welding hood that they were wearing. The frame that holds the lens in the welding hood broke loose and lacerated EE above their left eye. EE received 12 stitches above left eye.

December 3, 2025 SC · Metal/Non-Metal welder (non-shop) MACHINERY
Martin Marietta Materials, Inc. · Struck by flying object

Loosening a bolt with with an impact wrench and socket wrench. Hand slipped off wrench and was struck in face.

August 22, 2025 AR · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
Martin Marietta Materials, Inc. · Caught in, under or between running or meshing objects

Employee was adjusting the bowl on Omnicone 1560 crusher when EE's right thumb was caught between two adjusting cylinders. EE's right thumb was fractured.

March 31, 2025 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials, Inc. · Caught in, under or between a moving and a stationary object

Left hand caught between tube and chute wall- worker was removing old scrape cleaner- tube was stuck, then broke free, worker did not expect tube to slide forward toward left hand- when it slid tube caught left hand between chute wall and tube- received 7 stitches between left index finger knuckle and middle finger knuckle- no broken bone

November 5, 2024 NE · Metal/Non-Metal laborer, bull gang, parts runner, roustabout, roof trimmer/scaler MACHINERY
Martin Marietta Materials Inc · Struck by flying object

Installing panels using a clip gun. When the clip gun misfired while employee had their hand in the wrong place.

June 13, 2024 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials · Struck by... (Not Elsewhere Classified)

The mobile mechanic was preparing for welding activity by grinding and prepping work area. While using the grinder it kicked back and struck the mechanic on the right cheek causing a laceration.

April 29, 2024 NE · Metal/Non-Metal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) MACHINERY
Martin Marietta Materials Inc · Over-exertion (Not Elsewhere Classified)

Employee strained left side trapezius while advancing carousel on Fletcher bolter.

April 23, 2024 NC · Metal/Non-Metal ground controller MACHINERY
Martin Marietta Materials Inc · Struck by... (Not Elsewhere Classified)

Employee was using a hydraulic tool when it slipped and struck employee in the mouth breaking one tooth.

February 13, 2024 GA · Metal/Non-Metal driller, highwall operator, highwall drill operator MACHINERY
Martin Marietta Materials Inc · Struck by flying object

Surface drill operator assisting mechanic removing internals of a 4-inch down hole hammer (off the drill). Inertia movement of internal piston caused it to knock the internal sleeve out of casing, striking driller in forehead. Driller received 3 sutures and returned to work immediately.

January 31, 2024 NC · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials Inc · Contact with hot objects or substances

Miner was using a heated water pressure washer to clean a transmission and while relocating the hose, EE shot hot water down into EE's boot. EE suffered a second degree burn to the ankle area and the skin peeled off.

August 16, 2023 UT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Martin Marietta Materials, Inc. · Caught in, under or between a moving and a stationary object

The employee was attempting to adjust the tail pulley using an battery powered impact, when the rear of the take-up broke free, causing the impact to spin lose pinning their right thumb between the impact and guard.

May 31, 2023 IA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Martin Marietta Materials, Inc. · Struck by... (Not Elsewhere Classified)

The workers were lining up some chutes, they were lifting them up with picking eyes, as they were hoisting the steel plate it got caught with other steel, when they were about to loosen the hoist the plate got loose from picking eye and dropped, nobody was underneath the steel plate but it bounced from another steel and it just caught one of our workers

May 22, 2023 VA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Martin Marietta Materials, Inc · Struck by... (Not Elsewhere Classified)

Employee stated while using a battery operated grinder to cut a bolt off of a belt roller bracket, the grinder recoiled back striking EE's left knee, resulting in a small laceration requiring 6 sutures

April 19, 2023 NE · Metal/Non-Metal bull gang foreman, labor foreman, leadman, section foreman, shift boss MACHINERY
Martin Marietta Materials Inc. · Over-exertion (Not Elsewhere Classified)

The employee was using a hammer drill at the primary crusher, the drill rotated unexpectedly. This unexpected movement resulted in three fractures to the right hand.

April 13, 2023 IA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Martin Marietta Materials, Inc. · Struck by... (Not Elsewhere Classified)

Employee received a laceration, requiring stitches, to EE's right hand when tightening bolts on a pipe.

January 3, 2023 TX · Metal/Non-Metal electrician, lineman MACHINERY
Martin Marietta Materials, Inc. · Struck by... (Not Elsewhere Classified)

EE was using a bandsaw to cut a 350KCmil wire. While cutting outward, the saw caught and snagged the wire, and the saw turned toward the EE. This motion made a minor laceration on the EE's right index finger, resulting in three stitches.

July 6, 2022 NC · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
Martin Marietta Materials Inc · Caught in, under or between running or meshing objects

A/C vent cover fell off of the 988F wheel loader. Employee was attempting to put the A/C vent cover on. They stuck their fingers into the vent hole, the fan was still running and a finger came into contact with the steel fan blades which cut the fingers.

June 22, 2022 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Martin Marietta Materials Inc · Struck against a moving object

Employee operating the excavator, traveled on the south side of the conveyor, parallel to the highwall. Holding 6-8' back from the highwall as they traveled, the material gave way underneath the excavator, tipping over the machine. The employee sustained a fractured rib and occipital condyle fracture. A seatbelt was worn.

June 22, 2022 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Martin Marietta Materials · Struck by... (Not Elsewhere Classified)

The injured employee (IE) began feeling discomfort in the left eye several hours after the end of the shift. During IE's shift, the IE was grinding on metal plates while wearing the proper PPE. The IE was treated by a local ER clinic and eye doctor after a metal shard was found imbedded in IE's left eye. The metal shard was removed and prescription antibiotics were given.

June 14, 2022 NC · Metal/Non-Metal welder (shop) MACHINERY
Martin Marietta Materials Inc · Contact with hot objects or substances

A miner who was involved in metal plate cutting activities went to readjust the PPE welding sleeves on right arm, and accidentally contacted the arm with the cutting torch, resulting in a burn.

November 5, 2021 VA · Metal/Non-Metal welder (shop) MACHINERY
Martin Marietta Materials, Inc · Contact with hot objects or substances

A miner received a minor burn from slag during welding activities. First aid treatment was administered on site and EE declined to see a medical professional or go to the clinic. Based upon information communicated by the inspector 07/07/2022, medical treatment may have been rendered. This incident remains under investigation.

October 9, 2021 OH · Metal/Non-Metal drill operator MACHINERY
Martin Marietta Materials, Inc. · Struck by falling object

While adding a steel the steel fell out of the top of the loader. The operator thought they were able to get the steel back into the loader properly. The operator then threaded onto the steel to make the next connection. The steel came free from the rotary head & dropped approx. 2ft onto the drill table & then slid off the table & dropped 3-4ft striking the operator's ankle/foot.

May 14, 2021 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials, Inc. · Over-exertion (Not Elsewhere Classified)

The employee was overhead welding on the water truck and felt a pop in EE's right shoulder. Initially EE did not think anything of it, but later in the shift EE felt another pop in the right shoulder while assisting another employee lift a screen.

November 17, 2020 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials Inc · Struck by falling object

Employee was conducting overhead welding activities when a piece of metal got into EE's eye. EE did not report it right away. The metal was removed by an eye dr. on 11/20 and was given a prescription.

October 6, 2020 GA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials, Inc. · Flash burns (welding)

Two welders working in close proximity. Resulting in minor flashburn to one welder.

September 3, 2020 UT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials, Inc. · Struck by... (Not Elsewhere Classified)

Employee was grinding on the cone liner using a 4 1/2 in. angle grinder. EE was only using one hand on the grinder as the other hand was holding the electrical cord to keep it out of the way. The grinder kicked back and the wheel make contact with the employee's left pointer finger. EE was taken to the clinic and received 5 stitches and a tetanus shot.

August 25, 2020 VA · Metal/Non-Metal utility man, shift tech, service/dump truck operator MACHINERY
Martin Marietta Materials, Inc · Caught in, under or between a moving and a stationary object

Employee's finger was caught between the reaction arm of a hydraulic torque wrench and the frame of the jaw crusher causing a laceration.

February 25, 2020 IA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Martin Marietta Materials, Inc. · Caught in, under or between running or meshing objects

Employee was training another employee to fuse a piece of poly pipe to a flange. The injured employee freed the clamps on the left. The employee in training moved the wrong lever. Instead of the pipe releasing it slid the pipe pinning the employee's fingers between the metal ring and the flange.Employee sought treatment and has returned to work with restrictions.

February 19, 2020 OK · Metal/Non-Metal utility man, shift tech, service/dump truck operator MACHINERY
Martin Marietta Materials, Inc. · Caught in, under or between a moving and a stationary object

EE1 was working along EE2 and EE3 on re-torqueing the drive belt on the primary jaw crusher. EE3 was in control of the functions of the portable hydraulic ram. While EE1 was holding the hydraulic ram and spacer in position to tighten the drive belts, the ram and spacer slipped upward pinching EE1's right thumb between the motor and the spacer.

November 21, 2019 NC · Metal/Non-Metal welder (shop) MACHINERY
Martin Marietta Materials Inc · Struck by falling object

The employee was cutting 1 inch steel plate for a chute repair. Upon cutting the metal that was on a utility tractor fork, some of the plate shifted and fell on EE's left foot catching EE's left pinky toe just beyond the protection of EE's steel toe.

July 31, 2019 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials · Rubbed or abraded

EE was changing a cutting edge on a 982 loader. The bolt head was spinning while the EE attempted to remove the nut with an impact wrench. EE placed their right hand under the head of the bolt to push it up and hold it in place. As the pulled the trigger on the impact, the bolt spun causing a laceration to their right hand. The EE was wearing gloves.

May 22, 2019 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials, Inc. · Caught in, under or between a moving and a stationary object

Removed undercarriage to remove wheel and studs. Lug nut stuck on wheel stud, put pressure on wheel to remove lug nut. Wheel moved as lug nut came off. Pinched hand between impact gun and wheel axle. Stitches (4) laceration on palm and bruised hand.

March 3, 2019 GA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials, Inc. · Flash burns (welding)

EE sustained welding flash to both eyes while welding crusher seat liners.

December 13, 2018 IA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Martin Marietta Materials, Inc. · Caught in, under or between a moving and a stationary object

Employees working to install new backstop and speed reducer for underground conveyor. While lifting machine out of shipping crate with hoist, the component rotated, causing a bolt to catch an employee's right hand against the shipping crate, lacerating the skin under the glove.

October 24, 2018 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials, Inc. · Struck against stationary object

Changing shank on loader. In order to repair, had to remove wear plates that were bolted in. Using impact to remove nuts from bolt, cut palm on bolt. Received 12 stitches in right hand palm.

June 22, 2018 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials, Inc. · Flash burns (welding)

EE was welding for 15 min when received minor burns to eyes. The auto-darkening filter automatically shut off and the employee forgot to re-energize before EE began welding. EE reported eyes were burning the next day. EE was taken to ER where EE was diagnosed with minor burns to the eyes and released to full duty. EE was given a prescription for eye drops.

April 20, 2018 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials, Inc. · Struck by... (Not Elsewhere Classified)

#1 using grinding wheel to remove a bushing off excavator. IW holding bushing was cut on top of right wrist with grinder.

March 21, 2018 GA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Martin Marietta Materials Inc · Over-exertion (Not Elsewhere Classified)

Employee alleges that while operating the motor grader on either 3/21 or 3/22, its seat was too close to the controls, making ee sit "too straight" and causing back soreness. EE could not point to a specific time/date or incident that caused the soreness.

March 16, 2018 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials Inc. · Struck by... (Not Elsewhere Classified)

The Blade from a Bosch Angle Cutter with Guard on it broke off and hit the workers hand cutting through the safety gloves ee was wearing. Was taken to Medical Facility where ee received 9 stitches.

August 9, 2017 IA · Metal/Non-Metal electrician, lineman MACHINERY
Martin Marietta Materials, Inc. · Struck by... (Not Elsewhere Classified)

EE was using a cordless drill and a 3/8 drill bit. EE was drilling a hole in a 1/8 inch thick aluminum mounting plate when the drill bit caught causing the drill to grab and twist in EE's hand.

July 7, 2017 SC · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Martin Marietta Materials, Inc. · Struck against a moving object

The operator was sitting in an Off Road Truck being loaded when Excavator swung around and struck the catwalk with the counterweight, shaking the operator on the inside of the cab.

May 4, 2017 GA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
Martin Marietta Materials, Inc. · Struck by... (Not Elsewhere Classified)

While attempting to grind a piece of flat bar the bar slipped from the tool rest and the miner's thumb came in contact with the grinding wheel.

December 20, 2016 IA · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey MACHINERY
Martin Marietta Materials, Inc. · Caught in, under or between a moving and a stationary object

Employee's leg was caught in between powder machine and rib resulting in laceration to calf area of left leg. Employee was taken to ER and received stitches.

October 31, 2016 TX · Metal/Non-Metal welder (shop) MACHINERY
Martin Marietta Materials Inc. · Struck by falling object

Employee was torch cutting a roller free and the roller end dropped onto employees fingertip. This resulted in a fracture to tuft of finger and a laceration.

August 9, 2016 NC · Metal/Non-Metal welder (non-shop) MACHINERY
Martin Marietta Materials Inc · Struck by... (Not Elsewhere Classified)

An employee was removing wear plates from a loader bucket. The employee was using an impact wrench to loosen the bolts. EE put EE's hand on the head of the bolt to push it back up, when the head cut through EE's gloves as it was being turned by the wrench.

Showing 50 of 129