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

72 matching records

Showing 50 of 72
December 27, 2025 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

Operator was in the process of clearing the OLD 101 Belt under the Secondary crusher area from a product plug. As EE was walking around the area next to the Old 101 Belt EE slipped fell in Mud due to previous rain, landing wrong on EE's right ankle

August 14, 2024 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

At approximately 7:25 AM, an analyst slipped and fell after getting wrapped up in a plastic tie used to secure clean towels used to keep the lab countertops clean and equipment dried. The employee suffered a fractured left patella.

July 9, 2024 CA · Metal/Non-Metal plumber, pipefitter, millwright SLIP OR FALL OF PERSON
U S Borax Inc · Fall from ladders

EE was climbing down a 5-foot ladder to gain access to a guard. Their right foot slipped off the second rung from the top, causing EE to fall and slip off the ladder, landing on the right ankle. This caused a smell fracture to their heel.

February 1, 2023 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
U S Borax Inc · Over-exertion (Not Elsewhere Classified)

The employee was exiting an 80 ton crane while holding onto the provided handrails. The employee planted their right foot on the top platform just outside the cab and started to bring the left leg to the step when the right foot slipped causing them to lose their footing. The employee maintained a grip on the left cab handrail which prevented them from further falling to the ground

January 10, 2023 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

Employee was setting up to perform a vacuum job. The area had a slip hazard from flocculant, so the employees were attempting to clear the area. Employee slipped and attempted to brace self, injuring EE's right wrist. After being examined at via x-ray, employee suffered a fracture.

October 4, 2022 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
U S Borax Inc · Fall onto or against objects

The employee slipped while performing cleanup and sustained a laceration to the right shin, the wound needed stitches.

April 7, 2022 CA · Metal/Non-Metal plumber, pipefitter, millwright SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

While trying to move a table EE slipped and fell backwards twisting left ankle when falling to the ground. Employee suffered a fractured ankle.

January 30, 2022 CA · Metal/Non-Metal mine manager, mine foreman, mine owner SLIP OR FALL OF PERSON
U S Borax Inc · Fall down stairs

Employee was descending a set of stairs outside the mudbird control room when left foot slipped on ice causing it to slip out from under the employee. The employee's right foot twisted when falling forward. The employee suffered fracture to right leg.

April 19, 2021 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

Employee was walking to truck and tripped on a section of raised sidewalk. As a result, they fell forward, landing on knees and hands.

October 16, 2020 CA · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

EE was checking instrumentation when they tripped over a wire cable that is holding the temporary pump lines to the pond's leakage containment (LCRS) system. The EE fell forward onto the concrete with their hands out in front of them.

July 1, 2020 CA · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

An Operator was hooking up a hot soft water hose to the discharge line of the Gribben Sump to verify if line was clear or plugged. The Operator went to step up on the grating about 8 inches high and 36 inches wide and caught the toe of their boot on the overhang of the grating causing the Operator to trip and land on their right knee resulting in injury.

April 29, 2020 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
U S Borax Inc · Fall onto or against objects

Employee fell from a standing position to a sitting position. Employee was removing bolts from the transition off the radiator cover of a front-end loader and the side employee was standing on fell approximately 8 inches, knocking employee down causing pain in the tailbone area.

February 27, 2020 CA · Metal/Non-Metal clerk, timekeeper, office worker, director of sales SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

Employee was standing at EE's desk while making a phone call and fainted, falling and striking the right side of EE's head. Employee explained after that EE had recently been experiencing migraines.

February 4, 2020 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
U S Borax Inc · Fall from ladders

Two operators were at the east side of the cold crystallizer to drain it. Operator climbed the ladder to put a water line on the draw off. Operator climbed down the ladder and lost grip from the ladder and fell backwards hitting the ground.

May 5, 2019 CA · Metal/Non-Metal ball/rod/pebble/hand/limestone/dry mill operator, roller operator SLIP OR FALL OF PERSON
U S Borax Inc · Fall down stairs

Employee was walking down stairs. The boot caught a stair and injured the knee as the fall took place. 3 pts of contact was inplace

April 23, 2019 CA · Metal/Non-Metal trespasser SLIP OR FALL OF PERSON
U S Borax Inc · Fall to lower level, (Not Elsewhere Classified)

A trespasser gained access to the mine pit area. The trespasser was running around the pit, Emergency services contacted. Trespasser threw self off of two 50ft highwalls

May 17, 2018 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

An Operator was bringing up a plant after shut down. The operator was walking near a slurry pump when ee slipped on ground and impacted the ground causing a laceration the required 6 stitches

March 14, 2018 CA · Metal/Non-Metal plumber, pipefitter, millwright SLIP OR FALL OF PERSON
U S Borax Inc · Struck by falling object

A group of millwrights were changing a conveyor belt. The millwrights vulcanized the belt and were replacing the scraper. One of Two millwrights carrying the 25lb scraper slipped causing it to fall on the foot causing a fracture

March 11, 2018 CA · Metal/Non-Metal lab technician SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

A Quality Lab analyst was running samples of product. The employee was walking back to the workstation. Employee slipped on the floor. Employee went to brace the fall and fractured the left wrist

October 30, 2017 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
U S Borax Inc · Over-exertion (Not Elsewhere Classified)

Employee rolled ankle. Did not report incident and was reportedly walking fine. Reports to Occ Health clinic the next day with a swollen ankle that turned out to be fractured.

November 9, 2016 CA · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
U S Borax Inc · Struck by... (Not Elsewhere Classified)

The employee reported that they were standing on the second from bottom rung of a 6' step ladder inside the office near the entry door. A helper was in the room assisting. The electrician was using a headlamp for illumination. The electrician stated that their foot slipped and they lost their balance and fell. The desktop tilted and struck forehead.

June 2, 2016 CA · Metal/Non-Metal plumber, pipefitter, millwright SLIP OR FALL OF PERSON
U S Borax Inc · Over-exertion (Not Elsewhere Classified)

An employee was descending a ladder, the employee mistook the second to last for the last rung and stepped down. As a result strained the knee area

August 15, 2015 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

Employee tripped over caution tape and fell, aggravating a pre-existing shoulder as a result.

October 15, 2014 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
U S Borax Inc · Fall onto or against objects

An operator was dismounting a dozer. Operator's hand slipped from a handrail. The operator fell back into a fuel truck and impacted the axle bolts with the hand causing a laceration that required 17 stitches

April 4, 2014 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
U S Borax Inc · Fall from scaffolds, walkways, platforms

An Employee was walking on an elevated platform with handrails. The employee opened a spring loaded gate of a fixed ladder opening and stepped in the opening falling approximately 7ft.

January 15, 2014 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
U S Borax Inc · Fall onto or against objects

Upper front teeth impacted a water pipe while attempting to tighten a bolt.

January 3, 2014 CA · Metal/Non-Metal security guard, watchman SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

On January 3rd, at 4:36 pm, a contract security employee was working at the guard station for the visitors center (VC). When the employee approached the vehicle, the employee fell while stepping off the curb. The employee sustained minor injuries to the right shoulder. First Aid was provided at the onsite OH and later transported to an offsite clinic for additional evaluation.

June 27, 2013 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
U S Borax Inc · Fall from machine

Employee stepped off an elevated platform of a D-10 dozer and fell approximately 4 feet to the dozer tracks.

June 3, 2013 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
U S Borax Inc · Fall from machine

Employee was descending the ladder on a mobile loader, tripped, and fell approximately 4 feet to the ground. One of the steps on the ladder had broken and caught the employees foot when he stepped on it.

April 24, 2013 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

Employee was walking down an inclined sidewalk, tripped and fell. Occupational Health Clinic nurse gave employee ridged wrist brace to wear.

February 21, 2013 CA · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
U S Borax Inc · Over-exertion (Not Elsewhere Classified)

Employee attempted to step over a drainage ditch while entering the work area and his foot slipped when he stepped down causing his knee to twist. Treatment plan included hinged knee brace, weight-bearing as tolerated and home exercises.

February 21, 2013 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
U S Borax Inc · Fall onto or against objects

An operator fell and hit the dock plate fracturing the left upper femur near the hip socket.

August 20, 2011 CA · Metal/Non-Metal ledgeman/hand, quarry man SLIP OR FALL OF PERSON
U S Borax Inc · Over-exertion (Not Elsewhere Classified)

Employee was exiting passenger side of a pickup truck. As he stepped out of the pickup truck - placed his right foot on the ground and stepped onto powdery material that was covering some smaller rocks, resulting in right knee injury.

April 9, 2011 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
U S Borax Inc · Fall down stairs

Employee was descending stairs at secondary crusher. Investigation and witness statements indicate that the injured employee experienced an episode of a personal medical condition, and fell down the final set of stairs from app. the 9th step up from the bottom. Facial injuries resulted from fall. Letter dated 4-20-11 being submitted to provide more information to this report.

April 15, 2010 CA · Metal/Non-Metal pumper SLIP OR FALL OF PERSON
U S Borax Inc · Fall from scaffolds, walkways, platforms

Employee working on a portable Perry scaffold, steppped off the side of the platform between the platform and the wall resulting in a 4 foot 5 inch fall to the concrete floor. He landed on his right side dislocating his right shoulder.

April 6, 2010 CA · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
U S Borax Inc · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS GOING UP THE STAIRS AT 23& 4 ELECTRIC SHOP, WHEN HIS RIGHT FOOT SLIPPED CAUSING HIS LEFT FOOT & KNEE TO TWIST. THE EMPLOYEE WAS TAKEN TO THE OCCUPATIONAL HEALTH FOR EVALUATION AND WAS TRANSFERED TO HIGH DESSERT MEDICAL FACILITY FOR FURTHER EVALUATION.

February 11, 2010 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
U S Borax Inc · Fall onto or against objects

Contractor employee was descending 3 stairs of a converter filter area and stepped on a hose he was using causing him to trip and fall forward and hit his face on the handrail, resulting in a laceration to his lower lip that required stitches.

December 9, 2009 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
U S Borax Inc · Fall down stairs

An operator slipped when descending stairs, and as his right foot slipped it caused his left leg to enter the handrail. After his left leg went through the handrail, it caused him to spin around and fall the remaining 3 steps hitting the ground, landing on his back. Operator got up and felt a strain in his left knee.

March 26, 2009 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
U S Borax Inc · Fall down stairs

At approximately 7 p.m. employee was descending stairs at plant 1 screen deck on his way to the elevator. Employee slipped while descending stairs and fell on his backside. Employee was transported to the hospital for evaluation. Under further investigation.

January 14, 2009 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
U S Borax Inc · Fall down stairs

Employee reporting for duty collasped and fell down 7 stairs bumping head on grating. Employee was unconscious for 5-10 minutes. Medical assistance was administered and employee transported to medical facility. Cause of incident was determined to be personal medical condition and not a factor of the workplace.

June 3, 2008 CA · Metal/Non-Metal superintendent SLIP OR FALL OF PERSON
U S Borax Inc · Fall down stairs

Employee was carrying lunch and handbag up stairs when her soda dropped and she turned resulting in her losing balance and falling.

October 8, 2007 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
U S Borax Inc · Over-exertion (Not Elsewhere Classified)

Crusher operator was walking around the 988 loader to look at changing cable reeler and bucket when his ankle popped.

February 1, 2007 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

Employee was accessing valve at plant 1 acid storage containment area when he slipped in mud resulting in a twisted ankle. The employee was diagnosed with a fracture to the right fibula.

September 7, 2006 CA · Metal/Non-Metal ledgeman/hand, quarry man SLIP OR FALL OF PERSON
U S Borax Inc · Fall down stairs

There is a single step outside the Safety department building. When employee exited the building she lost her footing on step, twisting ankle and fell to ground. Fracture right fibula.

May 27, 2006 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

Employee states that while cleaning out day bins in BAP he slipped on the cement causing him to fall. Also states borax on top of cement made it slippery. Medication, scheduled for surgical repair.

November 15, 2005 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

EMPLOYEE STATES HE WAS TURNING TO COME DOWN FROM UPPER LANDING WHEN HE PARTIALLY MISSED EDGE OF PLATFORM WITH LEFT FOOT AND THEN TWISTED ANKLE. FOLLOW-UP MD EVALUATION SHOWED LATERAL SPRAIN TO LEFT ANKLE REQURING PHYSIOTHERAPY.

August 28, 2005 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
U S Borax Inc · Contact with hot objects or substances

BAP OPERATOR CONTACTED HOT LIQUOR WHEN THE SUMP PUMP GRATING HE STEPPED ON FAILED. HE SUSTAINED BURNS 2ND/3RD DEGREE TO LEGS, FEET, ARMS AND BACK

July 14, 2004 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
U S Borax Inc · Fall from machine

Employee states he was climbing ladder of skip loader when his foot slipped on the top step causing him to fall to the ground.

May 30, 2004 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
U S Borax Inc · Over-exertion (Not Elsewhere Classified)

EE STATES THAT WHEN STEPPING DOWN FROM S-1 (SAFETY ONE) TRUCK SHE STEPPED ONTO UNEVEN GROUND, CAUSING RIGHT KNEE TO TWIST.

May 18, 2004 CA · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler SLIP OR FALL OF PERSON
U S Borax Inc · Fall to the walkway or working surface

EE STATES HE SAT IN A CHAIR IN THE MINE LUNCHROOM THAT HE DIDN'T REALIZE WAS BROKEN AND FELL OVER BACKWARDS HURTING HIS BACK.

Showing 50 of 72