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
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The record

44 total records

Showing all 44
November 7, 2023 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Martin Marietta Northern California Aggregates,LLC · Struck by... (Not Elsewhere Classified)

Two miners were installing a section of metal pipe on a pontoon for the dredge using a Caterpillar TL943C forklift. The pipe shifted out of the pontoon cradle and struck the injured miner on the lower left leg causing a fracture.

August 26, 2022 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Martin Marietta Northern California Aggregates,LLC · Fall to the walkway or working surface

The employee had just finished the post-trip inspection of equipment they operated at the Santa Margarita Quarry. The employee wanted to check out the new frontend loader, so they started to walk around the and look at the new equipment. The new loader was backed into a cutout to prevent the equipment from moving and the employee stepped into the cutout and slipped and fell.

December 15, 2021 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Martin Marietta Northern California Aggregates,LLC · Over-exertion in lifting objects

Employee was clearing rock from crusher when they felt a tweak in their shoulder. It was initially treated with first aid. When the condition didn't improve, the employee received an MRI. The event became reportable on 2/9/2022 when a doctor placed EE on total disability following the results of the MRI.

December 7, 2021 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Martin Marietta Northern California Aggregates,LLC · Fall onto or against objects

Employee was cutting metal with a torch which was supported on sawhorses. The employee moved one sawhorse and continued to use the torch to cut the metal. The employee turned to make a step and tripped over the sawhorse that they had moved earlier. The employee fell and landed on their right shoulder.

August 17, 2018 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Northern California Aggregates,LLC · Caught in, under or between a moving and a stationary object

EE was removing nuts from the secondary crusher frame with a 1" pneumatic impact wrench. When the nut broke free the rotational force of the pneumatic wrench spun the nut up the threads pinning EE's right index finger between the handle on the impact wrench and the overhang of the crusher frame. EE received 7 sutures to the outside of the right index finger.

June 16, 2018 CA · Metal/Non-Metal electrician helper SLIP OR FALL OF PERSON
Martin Marietta Northern California Aggregates,LLC · Fall to lower level, (Not Elsewhere Classified)

Temporary scaffolding staircase was removed. Area was not safely cordoned off correctly. Employee fell from 7' elevated height at doorway with no stairs. Employee suffered bruising and laceration.

October 20, 2017 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Martin Marietta Northern California Aggregates,LLC · Over-exertion in pulling or pushing objects

Injured employee examined what needed to be cleaned on the transfer screen to move the gates. EE was in a squatting position and barred the material that was stopping the gates from moving. In the squatting position EE grabbed the chute opening with hands out and when EE pulled self up EE felt a sharp pain in back and a popping sound.

June 27, 2017 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
Martin Marietta Northern California Aggregates,LLC · Caught in, under or between running or meshing objects

Miner/employee was drilling a piece of angle iron in the area of the Feed tunnel belt area when the hand drill being used twisted in their right hand resulting in a sprain to their right ring finger. Miner/employee did not report or seek medical attention until 07/12/2017.

September 30, 2015 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Martin Marietta Northern California Aggregates,LLC · Caught in, under or between a moving and a stationary object

Employee received an open fracture on the tip of his left index finger while placing the main shaft sleeve on the crusher. His finger was caught between the main shaft sleeve and the mantle of the crusher when the lifting eye was removed before the sleeve was set in place and employee had not removed his finger. He required 3 stitches on the tip of his finger.

June 25, 2015 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Martin Marietta Northern California Aggregates,LLC · Caught in, under or between a moving and a stationary object

IE and another EE were replacing the Media Recovery Box for the Heavy Media plant. As they were removing the part, one side slipped catching IE's left index finger between the part and the screen deck. IE received 3 stitches and a fracture of the left finger.

March 23, 2015 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Northern California Aggregates,LLC · Caught in, under or between a moving and a stationary object

Employee and co-worker were moving steel bars onto the fork of a telelift. One bar slipped catching the employee's glove on a piece of broken weld causing his left thumb to be caught between 2 bars. Employee sustained a deep cut and a bone chipped in his left requiring 5 stitches, splint and medication.

February 17, 2015 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Northern California Aggregates LLC · Over-exertion in lifting objects

The employee was changing out a screen from a manbasket, when they tried to remove the screen over a bar, which caused a strain to the left shoulder.

August 21, 2014 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Martin Marietta Northern California Aggregates,LLC · Over-exertion (Not Elsewhere Classified)

An employee was walking up the shop stairsteps when they inadvertently slipped. The employee did not fall to the ground after holding on to the steps. They felt a pain in the left toe, which was diagnosed as a closed fracture.

August 15, 2014 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Martin Marietta Northern California Aggregates,LLC · Struck against a moving object

An employee was hauling material to the dump grizzly, when they felt a pain in the lower back. The initial diagnosis was a strain to the lower back and they were returned to regular duties on 8/16/2014. No medical treatment was given at this time. The employee was further diagnosed and was removed from the duties on 6/9/2015.

October 4, 2013 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Martin Marietta Northern California Aggregates,LLC · Struck against a moving object

From a previous injury that was being treated by the insurance carrier, the employee stated both knees and the back was getting sore again over the past few days. The employee was conducting their regular job operating the Pit Loader and Dozer periodically in the pit area.

June 25, 2013 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Martin Marietta Northern California Aggregates,LLC · Over-exertion (Not Elsewhere Classified)

Walking on an uneven surface while performing a pre-task inspection, left knee hyper-extended as he strode and hit a depression.

June 6, 2013 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Martin Marietta Northern California Aggregates,LLC · Struck against a moving object

Haul truck driver was dumping a load of rock at the stockpile. His telescopic hydraulic ram on the dump bed broke off at the 3rd stage causing the bed to slam down on the frame of truck, shaking driver giving him strained neck and shoulder muscles.

February 4, 2013 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator OTHER

We are denying this claim. EE was on medical leave for COPD and he filed for Cal State Disability after his doctor told him his illness was not work related. After 2 months of not receiving any money from the State of California, he was told the claims are backed up. This is when he filed workman's compensation claim.

October 15, 2012 CA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler MACHINERY
Martin Marietta Northern California Aggregates,LLC · Over-exertion (Not Elsewhere Classified)

The employee was pumping a manual grease gun when he felt some pain in the right elbow. The employee was sent to the clinic and was diagnosed with a minor strain to the elbow. The employee was sent back to regular duty with no retractions. The modifications were given based on the California Workers Comp. criteria only.

October 1, 2011 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Martin Marietta Northern California Aggregates,LLC · Over-exertion (Not Elsewhere Classified)

EE reported to his foreman that he injured himself while cleaning out the east side crusher sometime in October 2011. He indicated that he understands that he violated company policy for not informing his supervisor at the time of the injury.

February 13, 2011 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON

Employee was climbing down into the feeder that was being installed into #2 conveyor tunnel. The 4' "A" frame ladder slipped from under him and he hit his right elbow and right shoulder. His left knee was reported as sore due to walking on even surfaces during this project.

December 6, 2010 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Martin Marietta Northern California Aggregates,LLC · Over-exertion in lifting objects

Plant Operator strained his low back on Monday, 12/06/10, while shoveling sand. On Friday, 12/10/10, the Plant Operator was carrying a 20 lb Come-Along up some stairs causing further strain to his low back. On Monday, 12/13/10, the employee reported the injury to his supervisor and that he was suffering from severe pain in his low back.

September 28, 2010 CA · Metal/Non-Metal water truck operator OTHER
Martin Marietta Northern California Aggregates,LLC · Absorption of radiations, caustics, toxic and noxious substances

While filling his water truck in the quarry, a bee stung the injured employee in the back of the neck.

July 19, 2010 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Martin Marietta Northern California Aggregates,LLC · Over-exertion (Not Elsewhere Classified)

Employee reported that on 7/19, as he was attaching a water hose to a water line, he felt a pain in his lower back. He did not report it to his supervisor until the next day, 7/20 after clocking in. He was seen by the local clinic which took him off work for a back and hip strain. His lost time began on 7/21.

July 14, 2010 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Martin Marietta Northern California Aggregates LLC · Over-exertion (Not Elsewhere Classified)

The employee was dismounting a CAT 980F front end loader on level ground with engine off and parking break set. It was daylight the weather clear dry. While turning to face the ladder to dismount the employee twisted his right knee. The injury was diagnosed as a mild sprain. The injury became a time lost accident on 10/8/10 when surgery was required for a torn meniscus.

March 9, 2010 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Northern California Aggregates,LLC · Over-exertion (Not Elsewhere Classified)

EE was lifting two tools out of a crate and while doing so felt pain in his abdomen. A bump developed and was diagnosed as an umbilical hernia.

October 24, 2009 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY

Employees welding lagging onto a tail pulley, injured employee said he caught a couple of flashes during the 11 hour shift. At the end of the shift he realized that he had received a flash burn in both eyes.

September 11, 2009 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Martin Marietta Northern California Aggregates,LLC · Struck against a moving object

Employee reported that the front-end loader he was operating shifted to one side when it hit some debris in a roadway. The motion of the loader cause a twinge in his right hip area.

September 2, 2009 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Martin Marietta Northern California Aggregates,LLC · Struck against a moving object

During normal operation of his haul truck, the employee reported that the bouncing of the truck and occasionally the bumping during loading caused a back strain.

March 3, 2009 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)

Two employees were replacing a bearing on the ecentric shaft of the Noble feeder in #2 conveyor tunnel. The shaft and bearings were supported by a chain and a chain hoist. One of the chains slipped allowing the bearing to twist and drop two inches, hitting employees left thumb and breaking it.

March 12, 2007 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Martin Marietta Northern California Aggregates,LLC · Caught in, under or between (Not Elsewhere Classified)

While cleaning out the dust from inside an air conditioning air vent deflector without turning the equipment off, the employee's finger was cut by a rotating blade.

November 13, 2006 CA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler MACHINERY
Martin Marietta Northern California Aggregates,LLC · Caught in, under or between (Not Elsewhere Classified)

While operating an electrical hoist he caught his hand on the cable. His left ring finger became caught in the block.

October 30, 2006 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech DISORDERS (REPEATED TRAUMA)
Martin Marietta Northern California Aggregates,LLC · Over-exertion (Not Elsewhere Classified)

Employee is claiming a cummulative trauma to left shoulder, specifically left shoulder rotator cuff tendonitis.

July 7, 2006 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY

Employee was assisting a co-worker who was welding a Seco Shaker frame when he received an arc flash. Employee did not feel the injury was severe enough to report right away. Informed employer on 7/14/06.

June 22, 2006 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Martin Marietta Northern California Aggregates,LLC · Bodily reaction, (Not Elsewhere Classified)

Employee felt pain in his lower back when he bent over to connect cables from charger to welder battery.

Showing all 44