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

95 matching records

Showing 50 of 95
June 13, 2025 CA · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
CalMat Co · Fall onto or against objects

On 6/13/25 employee received medical treatment in ER for a reopening of a surgical incision. While employee was inspecting a trench, the tripped on leveling rake and fell on right knee, reopening a surgical incision from a personal knee surgery. Employee required surgery, was released from the hospital on 6/15/25, placed on restricted duty on 6/16/25 which is being accommodated

January 15, 2025 CA · Metal/Non-Metal outside foreman, leadman SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

Loader operator missed the last rung on the ladder while dismounting the loader, falling to the ground (Operator did not use three-points of contact, carrying pre/post-shift book in one of EE's hands).

December 6, 2024 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co. · Over-exertion (Not Elsewhere Classified)

On 12/6/24 EE experienced a first aid injury to their left ankle when they exited a step ladder. On 12/9/24 EE sought medical attention where they were given work restrictions.

May 31, 2024 CA · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
CalMat Co · Fall down stairs

While standing on the second to last step on a staircase, plant operator was washing down material from underneath a conveyor belt when EE fell backwards onto the ground. Emergency sustained a head laceration requiring sutures.

April 9, 2024 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
CalMat Co · Fall to the walkway or working surface

Initially treated as a first-aid injury on 4/9/24 operator attempted to walk down a steep undeveloped slope, when EE lost EE's footing falling to the ground. On 4/11/24 employee requested medical evaluation where EE was diagnosed with an abrasion to the left forearm and contusion of unspecified front wall of thorax.

November 9, 2023 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Fall to the walkway or working surface

On 11/9/23 Maintenance employee was standing on a platform not suitable to work attempting to adjust a head pulley guard. During the process the employee lost balance and began to fall backwards, the employee managed to catch themselves by using their right arm.

March 16, 2022 AZ · Metal/Non-Metal dry screening plant operator, screen house operator SLIP OR FALL OF PERSON
CalMat Co · Fall to the walkway or working surface

An EE exited the area under the main primary feeder and lost footing and fell on the loose material sloping alongside the feeder sustaining a first aid only injury. On 03/23/22 the EE wanted to have the shoulder checked at a clinic. X-Rays were taken and revealed a fractured collar bone and two fractured ribs. EE was released to return to work with restrictions.

February 7, 2022 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

Clear sunny day. Field Tech was stepping down from the bed of the service truck and lost footing. Body was then shifted and impacted an umbrella holder mounted to the truck, they then fell to the ground on left side and impacted rib cage

January 14, 2022 AZ · Metal/Non-Metal outside foreman, leadman SLIP OR FALL OF PERSON
CalMat Co · Fall to lower level, (Not Elsewhere Classified)

On 1/14/22 EE experienced first aid injuries when EE fell through a catwalk. On 6/15 EE had EE's shoulders medically checked. EE was released to full-duty and light physical therapy. On 8/15 EE was still having discomfort, a MRI showed a slight tear in both shoulders. EE had surgery on EE's right shoulder on 10/10/22.

June 23, 2021 NM · Metal/Non-Metal dryer operator, kiln operator, dry plant operator, fluid operator, bed dryer operator SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

Employee exited water wagon which was parked by water stand to turn off water valve which is located 20' from water wagon. Employee stated they stepped on soft spot and twisted ankle.

June 1, 2021 CA · Metal/Non-Metal rotary bucket excavator operator SLIP OR FALL OF PERSON
CalMat Co · Fall to the walkway or working surface

Employee exited the excavator EE was operating. Upon exiting EE stepped onto an unstable piece of concrete which caused EE to lose balance, twisting ankle and falling over.

November 4, 2019 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

Operator reached in the cab of the loader to grab EE's hard hat and while stepping back, missed the step of the loader falling to the ground.

February 27, 2019 AZ · Metal/Non-Metal water truck operator SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

Emp exited water truck end of shift stepping onto uneven pavement rolling ankle. Injury treated with RICE. Emp wanted wait see if would be ok but swelling worsened, Supervisor took emp to clinic 03/08/19. Emp prescribed Tylenol, Diclofenac sodium, air boot for up to 6 hrs per day and physical therapy. PT noted boot was not effective after day 3 recommending boot is not required.

August 12, 2018 NM · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

Employee stated when ee was exiting the skid steer ee tripped over a bar on the plate of the skid steer falling on right hand - originally first aid - did not go to doctor until 08-29-2018

January 25, 2018 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
CalMat Co · Fall onto or against objects

On 1/25/18 employee was taken to the company clinic and received stitches for a facial laceration. Employee, while performing clean-up duties, tripped over a 6" metal channel and fell to the ground. During the fall, the left side of EE's face struck another channel resulting in a laceration on the left cheek.

November 22, 2017 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

On 11/22/17, employee received medical treatment and was placed on restricted duty which is being accommodated. The employee slipped, heard a pop in right knee and experienced a right patella dislocation.

April 18, 2017 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

On 4/19/17, employee requested medical treatment, was placed on restricted duty and was prescribed physical therapy. The employee did not use safe means of access on a screen and fell 3 feet. The physician diagnosed a L-hip sprain and contusion in addition to lumbar radiculopathy.

April 17, 2017 NM · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

Employee was filing the feeder on the portable plant with oil in the tank. Step out of feeder enclosure and left knee popped.

March 10, 2017 CA · Metal/Non-Metal superintendent SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

Walking away from a piece of equipment employee stepped into a soft spot of dirt and twisted knee. Emphasized to all employees at safety meeting to watch step on uneven ground.

July 1, 2016 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

On 8/2/16, the employee requested medical treatment, was taken to the company clinic, diagnosed with a L-ankle sprain, was returned to full duty and was prescribed physical therapy. The employee alleged that they rolled their left ankle while walking towards the back of the quality control lab.

April 19, 2016 NM · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Cal Mat Co · Fall onto or against objects

Employee alleges they were exiting PC 750 excavator supporting self with right forearm and missed a step falling against excavator.

July 8, 2014 CA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

Employee was working to fuel equipment. As the employee climbed down off a D10 dozer he stepped to the ground. Upon releasing from the ladder he felt low back pain. The employee was diagnosed with a muscle strain at a local clinic. The employee was released to modified duty.

May 20, 2014 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

On 5/30/14 the employee requested medical treatment, was taken to the company clinic and was placed on restricted duty which is being accommodated. During a repair, the employee stepped off a structure and twisted his left knee. Employee was diagnosed with a left knee strain.

March 17, 2014 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Fall down stairs

The employee requested medical treatment on 3/18/14, was taken to the company clinic and placed on restricted duty which is being accommodated part-time. The employee has a pre-existing back condition which possibly aggravated when he slipped on a step while descending stairs. The employee was diagnosed with a Lumbar Strain. Claim is questionable.

May 22, 2012 CA · Metal/Non-Metal water truck operator SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

The employee was treated at the company clinic on 5/22/12 and was placed on restricted duty. While exiting the water truck, the employee failed to maintain 3 points of contact. This resulted in a fall and a fracture to her left wrist.

April 9, 2012 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

On 04/10/2012 employee was taken to the company clinic, was diagnosed with a right shoulder sprain and was placed on restricted duty. The employee reported while descending the ladder on a loader, his right foot slipped off causing him to lose grip with left hand and placed weight on right arm and shoulder.

July 21, 2011 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
CalMat Co · Fall onto or against objects

The employee went to the company clinic on 8/1/11 and was placed on restricted duty. The employee reported that he lost his footing, fell and struck his R-knee cap on a protruding 5/8" bolt that secured the dust pan.

May 20, 2011 AZ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

On 05/20/2011, the employee was taken to the hospital and was admitted for more than 24 hours. The employee stated that while descending the ladder of a haul truck, he fell and bumped his head.

April 6, 2010 AZ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
CalMat Co · Fall to the walkway or working surface

On 04/07/2010 employee requested medical treatment and was placed on modified duty for an injury that occurred on 04/06/2010. Employee reported while walking to the truck, employee fell to the ground after tripping on a clump of dirt, which resulted in a left shoulder strain and left toe sprain.

September 15, 2009 AZ · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
CalMat Co · Fall to the walkway or working surface

Employee allegedly slipped and fell injuring his right shoulder. Employee was walking on wet concrete surface towards a sump pump to perform a repair. This became reportable when the employee was placed on restrictions on the initial visit on 10/24/2009.

August 27, 2009 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

Employee went to the company clinic on 8/28/09 and was placed on restricted duty. While exiting the haul truck, the employee stepped off the last rung of the ladder, she planted her foot down and felt her R-knee twist and pop, resulting in an acute sprain to R-knee.

May 25, 2009 CA · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

On 5/25/09 A trespasser/Non-Employee was fatally injured from an apparent fall from elevation. The trespasser/Non-Employee's death occurred in route to the hospital.

November 17, 2008 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
CalMat Co · Fall onto or against objects

The employee was taken to the company clinic on 11/17, received 10 stitches and was placed on restricted duty. Employee tripped on a steel tube and fell on the dust sealing ring from a cone crusher resulting in a R-hand laceration.

October 21, 2008 AZ · Metal/Non-Metal refuse truck driver, backfill truck driver, stock pile truck driver SLIP OR FALL OF PERSON
CalMat Co · Fall to the walkway or working surface

EE was washing a sweeper truck with a pressure washer. While walking backwards, he tripped over a concrete parking block. He was taken to the industrial clinic where he was diagnosed with minor contusions and an abrasion and was referred to a hand specialist.The hand specialist diagnosed him w/a radius fracture to the left wrist.

September 18, 2008 CA · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
CalMat Co · Fall onto or against objects

The employee went to the company clinic on 9/19/08 and was placed on restricted duty. While the employee walked to collect his tools, he tripped over caution tape, lost balance and fell forward against a PVC pipe, resulting in a back sprain.

July 14, 2008 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Fall onto or against objects

Employee was descending down the ladder on a PC1100LC-6 excavator when he slipped hitting his wrist and hand on the tracks.

March 6, 2008 AZ · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
CalMat Co · Fall onto or against objects

Employee stated that he fell while stepping over trailer to retrieve parts from the back of truck, resulting in sprain of right third finger. Became reportable following medical treatment on 04/04/2008.

February 25, 2008 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
CalMat Co · Fall onto or against objects

Employee slipped while coming from the top of sweeper which had a ruptured hydraulic line. The employee had hydraulic fluid on the bottom of his boot and the slip resulted in a laceration to the right shin and the employee being placed on modified duty by the company doctor on 2/25/08.

December 10, 2007 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Fall to lower level, (Not Elsewhere Classified)

Worker was sitting on beam 14 feet above ground helping another worker torque down 3/4" bolts on dump hoppers. He had torque gun with him on the beam so the other worker in scissor lift could reposition the lift. Once he had the lift repositioned he had the worker hand back the gun and that is when he fell from the beam.

November 20, 2007 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

Employee went to company clinic on 1/3/08 and was returned to full duty. On 3/4/08 employee returned to the clinic and was placed on restricted duty. The employee was inspecting the plant before start-up and slipped on stairs resulting in a left knee sprain.

April 5, 2007 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

The employee went to the company clinic on 4/6/07 and was placed on restricted duty. The employee missed footing platform while stepping from one VMC loader to another, causing him to slip down several steps while holding onto the handrails, which resulted in a laceration to L-knee.

January 2, 2007 NM · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
CalMat Co · Fall to the walkway or working surface

Employee slipped on ice and fell. Right hand impacted the ground, causing right wrist sprain.

November 29, 2006 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Fall onto or against objects

Received a laceration to right arm from falling inside an air duct that was slick with dust from the filter house.

October 20, 2006 CA · Metal/Non-Metal pumper SLIP OR FALL OF PERSON
CalMat Co · Caught in, under or between (Not Elsewhere Classified)

The employee went to see the company doctor on 10/23/2006 and was taken off work by the doctor. While performing a pre-trip inspection, the employees R-leg fell between the left side track and push bar, resulting in a dislocated R-knee.

March 6, 2006 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
CalMat Co · Fall to the walkway or working surface

The employee went to see the company doctor on 3/7/06 and was placed on restricted duty. While cleaning area with the backhoe, the employee lost footing on loose gravel, slipped and fell, causing a sprain to R-shoulder.

March 6, 2006 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Caught in, under or between (Not Elsewhere Classified)

The employee went to see the company doctor on 3/7/2006 and was placed on restricted duty. The employee slipped and fell while transferring a roller bearing from the service truck to the workboat, causing the roller bearing to crush the employee's L-hand.

December 20, 2005 AZ · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
CalMat Co · Fall from ladders

Employee was climbing ladder to inspect jaw crusher, carrying a bucket of grease, when he slipped and fell approx. five (5) feet, landing on the leg and the ankle hit a rock causing the ankle to twist inward. Diagnosis - Foot sprain and ankle sprain. Originally reported as first aid only on 12/20/2005 - turned into medical treatment on 12/27/2005.

October 5, 2005 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Fall to the walkway or working surface

While cleaning up after a job, employee was carrying a bucket of tools that weighted approx. 15 lbs in his left hand and a bucket of flexcos in his right hand. He stepped off the concrete slab onto dirt surface, walked approx. three feet, stepped on a rock and lost footing. Right leg turned under and twisted. Employee fell to the ground and called for help.

September 22, 2005 CA · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

The employee went to see the company doctor on 9/23/05 and was placed on restricted work. While descending stairs, the employee lost his footing and twisted his R-ankle, resulting in a sprain.

August 9, 2005 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

Employee slipped on first step of 988G Loader, causing loss of footing - overcorrected with left arm, pulling muscle(s). Diagnosis - Rotator Cuff Strain. Became medical treatment on 12/29/2005.

Showing 50 of 95