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

134 matching records

Showing 50 of 134
May 1, 2026 CO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

Skoria was placed in the employee parking lot around 4:30am. Pit operator employee slipped in the parking lot getting EE's work bag out of EE's car.

March 8, 2026 CO · Metal/Non-Metal mechanic helper SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall from machine

Employee was coming down off a service truck, slipped on the top step, and fell 3 feet landing on EE's back, causing a mid and upper back contusion, left 5th anterior rib fracture and left small pneumothorax.

December 27, 2025 CO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Climax Molybdenum Company · Over-exertion (Not Elsewhere Classified)

Employee stepped from the engine hood cover to the cab access platform and sprained right ankle.

October 27, 2025 CO · Metal/Non-Metal grader operator, roadgrader operator SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall onto or against objects

Operator slipped dismounting a motor grader, lost grip on the ladder and fell on the grader blade.

October 14, 2024 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Climax Molybdenum Company · Over-exertion (Not Elsewhere Classified)

During Fuel Lunch Line at the Fuel Island, Maintenance Lube tech was tasked with guiding Haul Trucks for fueling. When crossing the pedestrian barrier to complete ground guiding they encountered uneven ground which resulted in losing foot placement and rolling an ankle resulting in injury to the left ankle.

June 11, 2024 CO · Metal/Non-Metal miner, nec SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall onto or against objects

The injured Miner was moving 8'x10' 6 gauge welded wire mesh panels from the stockpile to the LHD bucket for transport. The miner stepped on panels that were previously placed in the bucket, slipped and fell to miner's side.

May 19, 2024 CO · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider SLIP OR FALL OF PERSON
Climax Molybdenum Company · Over-exertion (Not Elsewhere Classified)

Employee was working in wet and muddy conditions. Employee slipped and twisted EE's right knee while trying to catch EE's balance resulting in a sprained knee. Employee was evaluated and put on light duty.

April 24, 2024 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall from machine

Loss of traction while descending the steps of the shovel.

March 23, 2024 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

While walking out to trash can, right foot slipped on ice while coming down with left foot. Left leg kicked out from underneath to the left. Employee sustained a contusion to left knee. Employee is scheduled at orthopedic specialist for further evaluation.

March 18, 2024 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

Ice in the walkway to the port-a-potty.

December 21, 2023 CO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

Employee was picking up case of water from the pallet, tried to step backwards and caught foot on plastic wrapping around pallet. Employee fell backwards and hit back of head on concrete floor.

October 25, 2023 CO · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall from machine

The employee was climbing a permanent emergency ladder on the shovel and it released and when the feet of the ladder hit the ground it caused the employee to loose grip on the ladder rungs causing a fall to the track. EE landed on their left knee on the steel of the track.

June 10, 2023 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall onto or against objects

On June 20, 2023 and employee reported that EE's right knee hurt from bumping it on the step of the lube truck on June 10, 2023 and wanted to see a doctor. The employee reported that EE's foot slipped on the step and EE bumped EE's right knee.

May 5, 2023 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Climax Molybdenum Company · Over-exertion in pulling or pushing objects

Employee's foot sunk into material inside the SAG mill while pushing bolts through the bolt holes for a liner change. This action caused the employee to twist knee suffering a strain.

April 27, 2023 CO · Metal/Non-Metal mine manager, mine foreman, mine owner SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall onto or against objects

Employee slipped on a concrete floor and dislocated a finger when they caught themselves on a foundation block.

April 14, 2023 CO · Metal/Non-Metal welder (non-shop) SLIP OR FALL OF PERSON
Climax Molybdenum Company · Over-exertion (Not Elsewhere Classified)

Miner was attempting to step up onto the flatbed of a light vehicle from ground level. The miner directed all weight to the right knee when it buckled beneath them, resulting in tibial plateau fracture.

March 6, 2023 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Climax Molybdenum Company · Over-exertion (Not Elsewhere Classified)

Heavy Equipment Operator was dismounting off the last ladder step of a CAT 789, when their backpack slipped off their shoulder causing them to twist as they stepped off the equipment. This action resulted in the operator stepping off in an awkward position resulting in a sprain to the right ankle.

June 10, 2022 CO · Metal/Non-Metal water truck operator SLIP OR FALL OF PERSON
Climax Molybdenum Company · Over-exertion (Not Elsewhere Classified)

After completing office work, the employee exited the office area into the water plant truck bay next to the polymer area when employee slipped on wet polymer resulting in a twisted knee.

May 16, 2022 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Climax Molybdenum Company · Over-exertion (Not Elsewhere Classified)

While performing inventory of excavator teeth in laydown yard, employee stepped on uneven ground, twisting their ankle. Employee was seen onsite by emergency response personnel, then taken offsite to the hospital. Was provided a boot to immobilize ankle. No scheduled work was missed.

April 20, 2022 CO · Metal/Non-Metal miner, nec SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall from scaffolds, walkways, platforms

The employee fell from a Scissor Deck while assisting with ventilation installation tasks. The employee landed on their back and also hit their head and sustained several fractures to their back.

April 7, 2022 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Climax Molybdenum Company · Over-exertion (Not Elsewhere Classified)

Employee went to an outhouse, slipped on the icy floor, felt like they pulled a muscle but not reported. At the end of shift on 4/9 they reported their back was sore due to not sleeping well. On 4/11 they said that sore back was due to the slip on 4/7. EE was taken to a clinic for eval. on 4/11, released, no restrictions, returned to work. Received physical therapy on 5/12.

April 5, 2022 CO · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

slip and fall same level on snow and ice when walking from one drilled hole to another for blasting processes tasks

March 22, 2022 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall from machine

Night shift started 3-21-2022 shift end 3-22-2022. Slipped while climbing down from tracked dozer last step slipped and went to ground with body.

March 16, 2022 CO · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

slip and fall on ice coming into work shift designated employee parking lot for administration/mill building

February 15, 2022 CO · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

While responding to a troubleshooting event, an electrician tripped on a toe kick area guarding in the area and fell down. Electrician hit abdomen and left shoulder. They did not experience pain but could not lift/move their shoulder. Employee given lifting restrictions site was unable to accommodate.

February 7, 2022 CO · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

Employee tripped and fell breaking their right leg.

November 26, 2021 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Climax Molybdenum Company · Over-exertion (Not Elsewhere Classified)

Employee was walking down the steps of a haul truck and when EE stepped off the bottom step onto the concrete floor, EE rolled left ankle which resulted in a sprained ankle.

April 20, 2021 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall onto or against objects

Employee was coming down a dozer by stepping onto a ladder in the Climax shop. While stepping down with right foot and holding onto a handle on the upper push brace with left arm, the ladder potentially shifted causing the employee to lose balance and spin around, straining left shoulder in the process.

February 24, 2021 CO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

Employee was shoveling snow (after applying salt to the area) and slipped on the ice outside of the Loci shop. The fall caused bruising on EE's back.

October 31, 2020 CO · Metal/Non-Metal apprentice, trainee SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

While employee was retrieving tools for concrete work employee tripped and fell and landed on right knee.

March 9, 2020 CO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Climax Molybdenum Company · Over-exertion (Not Elsewhere Classified)

Employee was walking up stairs and twisted back.

December 1, 2019 CO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall from machine

While exiting a man van, the employee slipped on the step and fell to the ground. EE initially claimed to be okay, but after completing the pre-shift inspection and getting to the cab of the truck, EE felt dizzy.

November 11, 2019 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

Employee was performing a workplace exam at the Pit Shop. When EE was inspecting the used coolant tank level behind the Pit Shop, EE slipped on the ice, landing on EE's left ankle, which caused it to roll. Employee suffered a left sprained/strained ankle.

October 21, 2019 CO · Metal/Non-Metal driller, highwall operator, highwall drill operator SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

The employee was walking on snow that had recently been ran over by a haul truck resulting in a very icy surface, and slipped and fell, landing on EE's back. EE suffered back pain along with abdominal pain.

October 9, 2019 CO · Metal/Non-Metal miner, nec SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

Employee was looking up at the racks at 7175 warehouse and when EE stepped back, the back of EE's foot caught the lowered forks of fork-truck causing EE to fall backwards injuring EE's left shoulder.

August 28, 2019 CO · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall from ladders

The employee was descending a step ladder in 10 bay of the pit shop. When they reached the second step and stepped down, they missed the first step and fell backwards onto their outstretched arm resulting in a sprained wrist. The ladder also fell to the ground.

June 3, 2019 CO · Metal/Non-Metal clerk, timekeeper, office worker, director of sales SLIP OR FALL OF PERSON
Climax Molybdenum Company · Over-exertion (Not Elsewhere Classified)

Employee was walking down stairs at the main mill building felt knee "pop" followed by some pain.

May 30, 2019 CO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

While unwrapping water hose employee tripped on hose and fell on right knee causing injury.

March 7, 2019 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

Employee was walking from the hoist house to the south side of the surface shop and slipped and fell down.

March 1, 2019 CO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Climax Molybdenum Company · Over-exertion (Not Elsewhere Classified)

The employee was climbing stairs and a toe slipped off a step. EE lost grip on the handrail resulting in hyperextension of the small finger of the right hand causing a fracture of the associated bone in EE's hand.

July 11, 2018 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Climax Molybdenum Company · Over-exertion (Not Elsewhere Classified)

The EE was walking down stairs and felt left knee give out, resulting in pain.

April 1, 2018 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall from piled material

Dozer operator parked dozer on the stockpile at the end of the shift where there was a slope. It snowed the evening before and there was snow on the stockpile. The operator walked down the slope to the man van at the end of the shift and slipped on the stockpile.

March 7, 2018 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

Employee was carrying two 20 lb. propane bottles from a light vehicle into the reclaim area. Employee slipped and lost footing causing EE to fall to the ground on right side which resulted in a sprained right ankle.

February 19, 2018 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall from machine

Despite having plowed and applied scoria in the morning, a mechanic slipped while doing a pre-shift inspection on a tele-handler forklift and fell. Initially EE said was fine but on 2/22 EE said that EE wanted to see a doctor because shoulder was hurting.

January 2, 2018 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Climax Molybdenum Company · Fall to the walkway or working surface

Employee was walking to the crusher building and slipped on the ice and fell, landing on left side and sprained left wrist.

Showing 50 of 134