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

257 matching records

Showing 50 of 257
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.

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.

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 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 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.

February 5, 2024 MO · Metal/Non-Metal electrician helper MACHINERY
Martin Marietta Kansas City, LLC · Struck by... (Not Elsewhere Classified)

Employee was drilling hole in a piece of metal (angle iron) to mount Unistrut. Drill bit broke and went under safety glasses injuring eye.

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.

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.

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.

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.

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.

September 13, 2022 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Mission Valley Rock, LLC · Struck by flying object

Employee reported eye irritation. Stated they had washed it out with saline solution, but the following day was still experiencing discomfort. They requested to be seen at the clinic. Employee was seen by clinic. Instructed to return to work the next day. Prescribed antibiotics. The employee's medical visit concluded after the end of work shift on 9/15.

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.

December 16, 2021 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Lehigh Cement West LLC · Over-exertion in lifting objects

The production crew on shift was clearing a pre-heater tower plug in the feed pipe and stage 4. EE inserted Cardox tube into port and while trying to set the depth of the Cardox tube they felt pain in lower back on the left side. EE initially decided on self care however requested evaluation on 12/20/21 and was released to work with restrictions.

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.

December 18, 2020 KY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
Bluegrass Materials Company, LLC · Struck by... (Not Elsewhere Classified)

Employee received a laceration when employee contacted a sharp piece of metal

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.

November 11, 2020 MO · Metal/Non-Metal superintendent MACHINERY
Martin Marietta Kansas City, LLC · Absorption of radiations, caustics, toxic and noxious substances

Taking hose off of packer while pressure was still up. Hose disconnected and hit employee in face blowing employee's safety glasses off causing chemical grout to blow into both eyes.

October 9, 2020 TX · Metal/Non-Metal assistant mine foreman, assistant mine manager MACHINERY
TXI Operations, LP · Caught in, under or between running or meshing objects

EE was inspecting a noise on a shaft under sand classifier. EE placed right hand on the guard as they leaned in to take a closer look and the key stock on the end of the shaft caught the tip of a glove and pulled a finger into the guard. EE received a 1/4" laceration to the side of the right pointer finger.

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 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.

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.

May 20, 2020 TX · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
TXI Operations LP · Over-exertion in lifting objects

Employee was lancing the tower and felt a pain in back. The employee was taken to the doctor on 5/21/20 and diagnosed with a chest wall strain.

May 17, 2020 TX · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Martin Marietta North Texas Cement, LLC · Over-exertion in lifting objects

EE water blasting on tower and has alleged injury to right shoulder while positioning water blasting lance. Additional report of continued pain on 6/17/20. Taken for med. eval. and referred to specialist. Became MSHA reportable on 7/10/2020 with the Specialist positive diagnosis of rotator cuff tear on 07/10/20 and prescribed physical therapy.

April 23, 2020 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
TXI Operations LP · Struck by... (Not Elsewhere Classified)

EE1 put bolt-inner bearing housing. EE2 loosened outer fastener;bearing house pulled out.EE1 said stop;EE2 re-tightened fastener. Bolt in-place for alignment of shaft/flange. Vibration/movement from impact wrench may have let shaft spin on bearing. Pendulum effect occurred;paddles contacted EE1. EE exited tub w/o help; walked 300' to truck. EE1 stated legs hurt;driven to hospital.

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.

Showing 50 of 257