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

419 matching records

Showing 50 of 419
April 27, 2026 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Asarco LLC · Over-exertion (Not Elsewhere Classified)

stepped off concrete pad hyperextending left knee, received restricted duty

April 9, 2026 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Asarco LLC · Over-exertion (Not Elsewhere Classified)

Employee was walking from bay 7 to bay 12 to help GR573 cutting edges, while walking across yard they stepped in a hole felt right knee pain. They became a lost time on 04/15/2026 due to right knee sprain.

March 30, 2026 AZ · Metal/Non-Metal drill operator SLIP OR FALL OF PERSON
Asarco LLC · Over-exertion (Not Elsewhere Classified)

Operator was changing out a bit; they stepped off of the deck and when their left foot made contact with the lower deck of the drill, they felt their left ankle roll to the outside and felt sharp pain in the left knee.

February 25, 2026 AZ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
ASARCO LLC, a Delaware Limited Liability Company · Over-exertion (Not Elsewhere Classified)

EE was stepping off the Haul Truck ladder onto uneven ground, when EE felt and heard a loud pop, and states EE felt instant pain.

December 6, 2025 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Asarco LLC · Over-exertion (Not Elsewhere Classified)

Operator was stepping off of pickup truck and right food stepped in a hole and rolled right ankle, resulting in a sprain. restricted duty began on 12/11/2025

August 29, 2025 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Asarco LLC · Fall to lower level, (Not Elsewhere Classified)

When checking spigots at tailings walking, they lost footing and fell into a ravine/ditch onto their chest.

August 21, 2025 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
ASARCO LLC, a Delaware Limited Liability Company · Fall onto or against objects

An employee missed a step on the truck step ladder and fractured EE's right leg. EE was in the process of unloading a delivery to the Mission magazine when incident occurred.

May 21, 2025 AZ · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
Asarco LLC · Over-exertion (Not Elsewhere Classified)

Employee was performing EE's area work inspection when EE slipped and heard a pop in the right knee. Resulted in aggravation of old knee injury.

May 19, 2025 AZ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
ASARCO LLC, a Delaware Limited Liability Company · Fall to the walkway or working surface

Employee was walking in the tie down area around the water truck, when they slipped and landed on their right wrist, resulting in a fracture. Employee was placed on restricted duty.

May 14, 2025 AZ · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler SLIP OR FALL OF PERSON

Employee was dismounting from equipment. While activating the ladder to exit, they began descending before the ladder had fully reached the ground. As a result, the ladder accelerated rapidly. This sudden movement caused employee to lose balance and fall sustaining injuries.

May 14, 2025 AZ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
ASARCO LLC, a Delaware Limited Liability Company · Fall onto or against objects

Employee lost EE's footing and stumbled causing EE to lacerate EE's head on a steel window frame of a connex box. Employee received 6 Staples

April 19, 2025 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
ASARCO LLC, a Delaware Limited Liability Company · Fall to the walkway or working surface

Employee was walking in a dim area when EE tripped and fell over forks from a forklift, resulting in right shoulder pain. On 4/22/2025, employee was placed on Restrictive Duty

February 26, 2025 AZ · Metal/Non-Metal clerk, timekeeper, office worker, director of sales SLIP OR FALL OF PERSON
Asarco LLC · Fall from machine

While dismounting a trailer, Temp employee encountered a loose step causing EE to fall 3 feet onto ground scratch on left elbow and left foot pain resulted in left foot fracture.

February 14, 2025 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
ASARCO LLC, a Delaware Limited Liability Company · Over-exertion (Not Elsewhere Classified)

Employee was washing under the 219 ball mill. Employee crossed over the 212 cyclone feed pump discharge line by stepping on the angle iron brace supporting the pipe. While stepping over, employee slipped and rolled an ankle. Employee was placed on restricted duty 02/18/2025.

November 9, 2024 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
ASARCO LLC, a Delaware Limited Liability Company · Over-exertion (Not Elsewhere Classified)

Employee was at the media charging area heading down from a fixed ladder on the east side of the station. Approaching EE's last step, EE slipped from the ladder and rolled EE's right ankle after landing on the kick plate/grading foot guarding.

August 11, 2024 AZ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Asarco LLC · Over-exertion (Not Elsewhere Classified)

The employee was walking when they tripped over rocks on the ground and caught themselves by holding onto a tanker vehicle, injuring their right wrist. The driver was evaluated by a medical professional and released to full duty. On 11/11/24, a surgery was performed to address injury at which point the driver was taken off work for surgery and recovery time.

July 30, 2024 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
ASARCO LLC, a Delaware Limited Liability Company · Fall from scaffolds, walkways, platforms

While making adjustments to west side skirtboard liners, EE lost footing, slipped, and fell from work platform to walkway (approx. 40"), injuring right ankle.

July 23, 2024 AZ · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
ASARCO LLC, a Delaware Limited Liability Company · Fall to the walkway or working surface

Employee was pulling on a cable when another employee stepped on the cable causing the cable to pull EE to the ground. When EE fell, EE fell with majority of EE's weight on EE's left side injuring EE's left shoulder. 2/27/2025 Surgical Repair was required

May 14, 2024 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
ASARCO LLC, a Delaware Limited Liability Company · Fall to the walkway or working surface

The employee stated after getting off of a shovel that EE slipped and fell from the same level because there was oil on the entrance floor coming from the air compressor.

April 26, 2024 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Asarco LLC · Over-exertion (Not Elsewhere Classified)

Walking to wash bin and stepped in crack on the ground, rolled left foot.

April 24, 2024 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Asarco LLC · Over-exertion (Not Elsewhere Classified)

The employee was startled by an attempted rattlesnake bite. As employee kicked leg outward and jumped away awkwardly in response, employee felt a sharp pain in left knee.

December 23, 2023 AZ · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
Asarco LLC · Over-exertion (Not Elsewhere Classified)

Employee was checking the chute at the ST100 when twisted ankle at east side.***Employee did not become reportable until 01/18/2024, when they were placed on restrictions***

November 30, 2023 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Asarco LLC · Fall onto or against objects

Employee was servicing dozer 524 once the service was completed, employee was climbing down from the tracks with the service hose in one hand and the other hand on the grab iron for support when foot got caught in the tracks falling onto bilateral knees. Restricted Duty began on 12/7/2023.

May 27, 2023 AZ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
ASARCO LLC, a Delaware Limited Liability Company · Fall to the walkway or working surface

EE has fallen attempting to climb the CR3 tiedown berm (the height of the berm is approximately 3FT). EE had dismounted 329 haul truck with EE's backpack on and water jug in hand and was completing EE's post op inspection when EE fell climbing the CR3 Tiedown berm.

May 25, 2023 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Asarco LLC · Over-exertion (Not Elsewhere Classified)

Employee was walking down stairs, stepped wrong twisting right ankle. Restricted duty began 5/30/2023.

May 12, 2023 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
ASARCO LLC, a Delaware Limited Liability Company · Over-exertion (Not Elsewhere Classified)

employee was stepping on to the ground from the last step of a haul truck hydraulic ladder at the end of EE's shift. EE states EE felt pain in EE's left hip. The ladder retracted close to the ground leaving the last step shorter than the rest

October 22, 2022 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
ASARCO LLC, a Delaware Limited Liability Company · Fall onto or against objects

EE was standing in the back of a pickup truck and reached up to hand an EE (on top of the shovel dipper) a tool. While turning around to exit the truck bed, EE lost EE's footing and fell hitting EE's hand on a flammable cabinet in the bed of the truck.

September 16, 2022 AZ · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor SLIP OR FALL OF PERSON

Maintenance Supervisor climbed a 12ft A-frame ladder to open an air line valve underneath the flotation deck. When doing so, slurry overflowed the flotation cell(s) above knocking the ladder over and causing EE to fall about 10ft to the ground.

September 9, 2022 AZ · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
Asarco LLC · Fall to the walkway or working surface

Employee was working in the regrind area around the sump. They tripped on the 2" hose connected to the sump causing employee to slip and fall on to right hand. On 9/12/2022 employee supplied a report showing a fracture of the fourth metacarpal.

August 10, 2022 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Asarco LLC · Fall to the walkway or working surface

Employee was walking down ramp carrying a hose when EE lost their footing and hit left knee on the ramp. This caused a laceration. Wound closed with 17 stitches.

July 7, 2022 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Asarco LLC · Over-exertion (Not Elsewhere Classified)

technician was descending a truck

April 8, 2022 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
ASARCO LLC, a Delaware Limited Liability Company · Fall onto or against objects

Employee going to work area to check bolts on valve, when EE tripped over a tracer wire attached to HDPE pipe. Employee was holding battery powered drill when EE fell to the ground pinching right ring finger between rock & drill causing injury to EE's fingernail. The employee's fingernail was pulled up but was not removed and there was no other injuries.

March 30, 2022 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Asarco LLC · Over-exertion (Not Elsewhere Classified)

Employee was performing commercial utility work on cells B6-9, misjudging the foot placement, employees right leg and foot fell into the cell sustaining a right ankle sprain.

March 29, 2022 AZ · Metal/Non-Metal carpenter SLIP OR FALL OF PERSON
Asarco LLC · Over-exertion (Not Elsewhere Classified)

Employee was walking to the shop, stepped in a rain puddle just inside the threshold of the doorway to the shop, when right leg slipped (no fall occurred) and overextended the right knee causing a right knee sprain.

November 24, 2021 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Asarco LLC · Over-exertion (Not Elsewhere Classified)

Employee was descending 10 foot ladder, upon reaching second to last rung pant leg got caught in table causing to lose balance and twist right knee.

October 22, 2021 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Asarco LLC · Fall to lower level, (Not Elsewhere Classified)

Employee was assisting another technician with crack repair on the roof of a P&H 4100 Rope Shovel. EE was communicating with other tech and stepped backwards falling through the danger tape and into an open hole.

August 27, 2021 AZ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
ASARCO LLC, a Delaware Limited Liability Company · Over-exertion (Not Elsewhere Classified)

Employee was climbing up the ladder of the acid trailer to unhook the airline in the crows nest after unloading. EE lost balance as EE was climbing up the ladder and slipped while trying to grab the bar/railing. EE did not fall all the way down the ladder but caught self on the ladder while falling causing strain on EE's body.

December 4, 2020 AZ · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor SLIP OR FALL OF PERSON
Asarco LLC · Fall onto or against objects

Employee tripped over a chain while holding a sharp bolt and cut hand

Showing 50 of 419