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

175 total records

Showing 50 of 175
April 11, 2026 MT · Coal longwall operator, chock operator, shear operator, plow operator POWERED HAULAGE
Signal Peak Energy LLC · Over-exertion (Not Elsewhere Classified)

Hauling longwall components, was adjusting tow chains, load shifted causing fracture to the right ankle.

February 26, 2026 MT · Coal FIRE
Signal Peak Energy LLC · Accident type, without injuries

At approximately 3:00 a fire was reported off mine property, early morning on the 2/27/2026 the fire was on a remote section of the mine property, there was no lost of production, no damage to any buildings, no injury's. The fire was out on 3/1/2026.

October 29, 2025 MT · Coal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) HANDLING OF MATERIALS
Signal Peak Energy LLC · Fall onto or against objects

In bucket of LS 195, shoveling rock dust into bantam duster. Tripped over pallet that duster is setting on, hitting right side of face on duster causing laceration on the right ear required stiches. Small hematoma behind right ear.

September 4, 2025 MT · Coal FALL OF ROOF OR BACK
Signal Peak Energy LLC · Accident type, without injuries

Small roof fall was found in non-active area of the mine. full roof support was installed according to plan, with additional 12 foot cable bolts and monster mats. Ventilation was not interrupted. Fall was approximately rib to rib, 7-8 foot at the anchor zone, 9 foot wide.

August 25, 2025 MT · Coal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Signal Peak Energy LLC · Fall to the walkway or working surface

While washing ATV on wash racks, sun was shining in eyes. Miss judge the opening between wheel tracks. Fell between landing on left side of chest.

July 23, 2025 MT · Coal utility man, errand boy, service truck operator HANDLING OF MATERIALS
Signal Peak Energy LLC · Struck by falling object

EE was removing pipe in the longwall tailgate. Pipe came off wheel of man basket striking right jaw and neck area. Had CT scan with negative results. First aid treatment only.

July 17, 2025 MT · Coal FIRE
Signal Peak Energy LLC · Accident type, without injuries

A fire occurred on the surface of the mine in the compressor building. 911 was called and the local fire department responded and worked with the mine to extinguish the fire. No injuries occurred as a result of the incident.

July 15, 2025 MT · Coal grader operator MACHINERY
Signal Peak Energy LLC · Caught in, under or between a moving and a stationary object

Driving grader into mine, while pulling pull cord on out-by airlock door to open. the machine rolled foreword, pinching finger between cab and pull cord causing fractures and lacerations to right ring finger.

May 22, 2025 MT · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Signal Peak Energy LLC · (Not Elsewhere Classified)

Contract EE was in class room having experience miner training. EE suddenly collapsed unconscious having a seizure. Transported to hospital for evaluation. Is released to return to work 05/22/2025.

May 13, 2025 MT · Coal miner, prospector, nec MACHINERY
Signal Peak Energy LLC · Caught in, under or between a moving and a stationary object

employee was using a wrench to hold nut to tighten bolts with cordless impact when middle finger got caught between flange and washer and pinched it on left hand. There was only first aid to treat it.

April 11, 2025 MT · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Signal Peak Energy LLC · Struck by... (Not Elsewhere Classified)

While splicing cable, helper moved cable causing knife to slip and causing laceration to right top of hand, between thumb and index finger. Required four stitches with follow up with Ortho specialist.

January 11, 2025 MT · Coal longwall operator, chock operator, shear operator, plow operator FALL OF ROOF OR BACK
Signal Peak Energy LLC · Struck by falling object

Changing bits on shearer, rotating drum with hand. Sprags were extended shields set, pan pulled back as far as possible. A small rock fell from face striking small finger between bit and rock on left hand causing fractured bone and laceration to the middle phalanx of small finger. The medical team at the hospital removed the top part of the finger. 3 days later closed injury.

January 10, 2025 MT · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Signal Peak Energy LLC · Caught in, under or between a moving and a stationary object

Removing cylinder on pineal hitch on tow tractor, while removing hydraulic hoses, hitch dropped pinching left hand between cylinder and frame. Causing laceration in left palm. Requiring 7 stitches.

December 15, 2024 MT · Coal utility man, errand boy, service truck operator HANDLING OF MATERIALS
Signal Peak Energy LLC · Struck by... (Not Elsewhere Classified)

Removing staple out of shield return hose. When staple came out line still had some pressure on it, causing hose to whip striking right side of face. Laceration to right eyebrow (5 stitches) and a hematoma under right eye.

October 30, 2024 MT · Coal laborer, bull gang, parts runner, roustabout, roof trimmer/scaler HANDLING OF MATERIALS
Signal Peak Energy LLC · Caught in, under or between a moving and a stationary object

While moving high pressure emulsion pipe, attempted to adjust pipe collar, while lifting pipe. Pipe slipped and pinched left middle finger between pipe and pallet, causing laceration and small fracture to distal bone. Received four stitches in finger.

October 16, 2024 MT · Coal utility man, errand boy, service truck operator HANDLING OF MATERIALS
Signal Peak Energy LLC · Struck by rolling or sliding object

Removed forks off LHD-5, and installed bucket on equipment. While hooking up hydraulic lines to bucket, the forks rolled back pinching palm and fore arm between tire and forks causing fracture to right wrist.

September 28, 2024 MT · Coal continuous miner operator, coal mole operator SLIP OR FALL OF PERSON
Signal Peak Energy LLC · Over-exertion (Not Elsewhere Classified)

EE was trying to move vent tub that was stuck in the mud, handle broke causing body to twist, foot was stuck in the mud, causing knee to twist in an awkward position. Felt a popping sensation in the left knee, finished shift. Next day any movement of knee was very painful, safety took to seek Medical care. 9-30-2024 restricted from any work by specialist.

September 14, 2024 MT · Coal utility man, errand boy, service truck operator DISORDERS (REPEATED TRAUMA)
Signal Peak Energy LLC · Over-exertion (Not Elsewhere Classified)

EE has had surgery on shoulders previously, during their mining carrier the shoulder has been causing more pain, On 9-14-2024, EE was having pain in their shoulder and felt they could not return to work, currently EE is seeking medical assistance. There was no incident

September 13, 2024 MT · Coal FALL OF ROOF OR BACK
Signal Peak Energy LLC · Accident type, without injuries

A roof fall was discovered in the 1 east tailgate at x-cut 14 2-3 entry. the fall was confined within the x-cut and did not obstruct ventilation, travel ways or escapeways, the width was approximately 18 feet and 25 feet across towards 3 entry.

September 11, 2024 MT · Coal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider HANDLING OF MATERIALS
Signal Peak Energy LLC · Struck by... (Not Elsewhere Classified)

Throwing feeder nip over discharge pipe, tried to catch nip. Hit right hand chipping bone on right middle metacarpal knuckle.

September 11, 2024 MT · Coal laborer, bull gang, parts runner, roustabout, roof trimmer/scaler HANDLING OF MATERIALS
Signal Peak Energy LLC · Struck against stationary object

While pulling pin on fifth wheel hitch, cut the top of thumb on left hand. On 9-24-24, safety looked at injury, the wound was infected. Transported to medical for treatment for the infection.

September 9, 2024 MT · Coal continuous miner operator, coal mole operator HANDLING OF MATERIALS
Signal Peak Energy LLC · Over-exertion in pulling or pushing objects

Bent over to pull miner cable, felt pain in lower back. Tried to walk off, no relief.

August 7, 2024 MT · Coal FALL OF ROOF OR BACK
Signal Peak Energy LLC · Accident type, without injuries

A small roof fall, in the 1 east tail gate road. Location xcut 13 in two entry. Conditions are good thru out this area.

July 23, 2024 MT · Coal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) SLIP OR FALL OF PERSON
Signal Peak Energy LLC · Over-exertion (Not Elsewhere Classified)

CONTRACT EMPLOYEE WAS STEPPING OFF ROOF BOLTER, STEPPED INTO HOLE TWISTING RIGHT ANKLE CAUSING AVULSION FRACTURE TO THE RIGHT TALAS BONE.

June 16, 2024 MT · Coal electrician, lineman OTHER
Signal Peak Energy LLC · Bodily reaction, (Not Elsewhere Classified)

EE was working in shield, stepping over hose, when placed foot down on back of shield, knee cap dislocated.

May 14, 2024 MT · Coal utility man, errand boy, service truck operator HANDLING OF MATERIALS
Signal Peak Energy LLC · Over-exertion in lifting objects

Contract EE was lifting mine cable over head, felt slight pinch in lower back. Went to hospital next day lower back strain.

April 28, 2024 MT · Coal utility man, errand boy, service truck operator DISORDERS (REPEATED TRAUMA)
Signal Peak Energy LLC · Over-exertion (Not Elsewhere Classified)

EE was getting into trash trailer to arrange trash, felt a pain in right knee. Filed an incident report refused medical treatment, 4:30 4/28/2024 EE decided to get knee checked. Hospital gave full release to return to work. EE continued to work full duty until 12/27/2024. EE had follow up visit with ortho, surgery was suggested to stop the degeneration in the knee.

April 28, 2024 MT · Coal utility man, errand boy, service truck operator HANDLING OF MATERIALS
Signal Peak Energy LLC · Struck by falling object

EE was recovering steel pipe from mine roof, pipe slipped and fell on left foot. Causing facture to small toe with a laceration between small toe and next, requiring four stiches.

March 18, 2024 MT · Coal miner, nec POWERED HAULAGE
Signal Peak Energy LLC · Struck by falling object

EMPLOYEE WAS GUIDING THE SKID STEER OPERATOR, LOADING SPILL TRAYS ONTO A TRAILER. EE WAS STANDING ON THE BACK OF THE TRAILER WHEN THE SPILL TRAYS SLID OFF THE FORKS, CONTACTING PREVIOUSLY LOADED TRAYS; THEN THOSE TRAYS SLID AND HIT THE TOP OF THEIR LEFT FOOT.

March 9, 2024 MT · Coal roof bolter helper, rock bolter helper, pinner helper SLIP OR FALL OF PERSON
Signal Peak Energy LLC · Fall onto or against objects

Stocking bolts on bolters boom. Went to step over walkway, lost balance and slipped to walkway, hitting right foot on walkway. Causing pain in right foot. Finished shift went to doctor next day. Fractured bone on the 5th, center metatarsal right foot.

February 17, 2024 MT · Coal continuous miner operator, coal mole operator HANDLING OF MATERIALS
Signal Peak Energy LLC · Struck by... (Not Elsewhere Classified)

EE was hanging 3" poly pipe. Pipe came off basket roller hitting EE on left side of face, causing multiple frag fractures to left side of face.

February 3, 2024 MT · Coal FALL OF ROOF OR BACK
Signal Peak Energy LLC · Accident type, without injuries

A small roof fall was found in three entry between xcut 1-2 approximately 35 foot long, 1 east headgate section, was at or above the anchor zone. MSHA is notified.

February 2, 2024 MT · Coal continuous miner operator, coal mole operator FALL OF ROOF OR BACK
Signal Peak Energy LLC · Struck by falling object

Turning xcut cap rock fell thru roof mesh hitting continuous mining machine. Rock ricocheted off striking mine operator. Causing injuries to left leg, right ankle, pelvis, Abrasions left shoulder

January 8, 2024 MT · Coal FALL OF ROOF OR BACK
Signal Peak Energy LLC · Accident type, without injuries

Small roof fall 1 east headgate, 2 entry, xcut 2. was approximately 20ft x 18 feet. From 1 foot to 6.5 feet high, this area is remote with weekly examiners checking weekly.

November 30, 2023 MT · Coal utility man, errand boy, service truck operator HANDLING OF MATERIALS
Signal Peak Energy LLC · Caught in, under or between a moving and a stationary object

EE opening doors on trash trailer, finger was pinched. Refused medical treatment continued working. On 9-19-2024 EE went to occupational health was diagnosed with a mallet finger. Became a lost time accident at this time.

November 7, 2023 MT · Coal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Signal Peak Energy LLC · Struck against stationary object

Raking under belt, pulled back and elbow came in contact with with bolt. Causing small chip in right elbow.

November 5, 2023 MT · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Signal Peak Energy LLC · Caught in, under or between a moving and a stationary object

Working on shearer, removing ranging arm pin. I had my hand in the eyelet pushing on pin while EE was pulling on pin, the pin bounced back in pinching middle finger on right hand. No broke bones, doctor release pressure on finger nail.

November 4, 2023 MT · Coal scoop tram operator, load/haul/dump operator POWERED HAULAGE
Signal Peak Energy LLC · Caught in, under or between running or meshing objects

backed in LOXC rear of scoop first, pulled around corner and noticed cable on ground(bolter reversed direction, removed hand from bucket lever as operator slid on seat grabbed cab of scoop to adjust body position, scoop fully jack knifed articulated crushing hand between cab and fender.

September 17, 2023 MT · Coal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) HANDTOOLS (NONPOWERED)
Signal Peak Energy LLC · Struck by... (Not Elsewhere Classified)

Cutting bands off bacon skins, band sprung back hitting inside of wrist. Small cut/puncture on right wrist. Required one stitch.

August 5, 2023 MT · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Signal Peak Energy LLC · Fall to the walkway or working surface

Bent over to pick up Mine Bits, leg popped and caused EE to fall.

May 30, 2023 MT · Coal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Signal Peak Energy LLC · Struck by... (Not Elsewhere Classified)

Temporary staffed labor (C2605) was pumping diesel fuel when they used a knife to cut away an obstruction. The knife slipped cutting their left palm.

February 28, 2023 MT · Coal headgate operator FALL OF ROOF OR BACK
Signal Peak Energy LLC · Struck by falling object

Was watching and helping with blasting, standing on toes of shields. EE could hear rock falling, went to get out of way when EE was hit by a piece of rock on the hard hat. Knocking of hard hat of head. Started looking for hard hat, found and signaled for help. Then continues down face to get more help.

February 28, 2023 MT · Coal longwall operator, chock operator, shear operator, plow operator FALL OF ROOF OR BACK
Signal Peak Energy LLC · Struck by falling object

Rock in face conveyor, was in the process of drilling and shooting the rock. When moving to load the 5th hole, noticed movement in the rock. Told everyone to clear the pan, rock caught the right foot, amputating all toes on right foot.

February 28, 2023 MT · Coal lw propman, propman helper, move crew if lw, move-up man, jacksetter, advanceman lw helper FALL OF ROOF OR BACK
Signal Peak Energy LLC · Struck by falling object

Rock in face conveyor, was in process of drilling and shooting rock. When moving to load the fifth hole, noticed movement in the rock, started to leap over pan, the rock pinned EE against spill tray. Pinning both lower legs against spill tray. Fracturing both legs(lower leg bones) and pelvis.

February 18, 2023 MT · Coal longwall operator, chock operator, shear operator, plow operator FALL OF ROOF OR BACK
Signal Peak Energy LLC · Struck by falling object

Cutting the tailgate out, was headed toward the headgate, getting ready to turn around to cut snake out when a slab of rock came over the spill tray hitting the left leg.

January 20, 2023 MT · Coal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider DISORDERS (REPEATED TRAUMA)
Signal Peak Energy LLC · Over-exertion (Not Elsewhere Classified)

Had pain in my ankle for several months. On 1/20/2023 went home after work and was having trouble walking, went to the doctor on 1-24-2023. The doctor said that I had tendonitis in my left ankle. Able to return to work when tolerated. This was reported on 1-24-2023

September 20, 2022 MT · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Signal Peak Energy LLC · Struck by falling object

Installing wheel on trailer. Pushed wheel over with left hand to align the wheel, the walking axle fell down striking left arm. Breaking bone in left forearm.

September 10, 2022 MT · Coal outside foreman, leadman MACHINERY
Signal Peak Energy LLC · Struck by falling object

Moving metal storage rack with electric hoist to replace with new rack. When slacking off on hoist the back side of rack set down on a piece of wood causing the rack to tilt and the plates of steel fell over landing on left lower leg. Fracturing bone in lower leg.

August 2, 2022 MT · Coal FIRE
Signal Peak Energy LLC · Accident type, without injuries

At approximately 5:16 pm 8/2/2022 is was reported that small fire approximately 4 miles east of mine office was burning on the mine property. DNRC was on site fighting the fire. This is a very remote area, with no mine activity in the area. Called MSHA report line at 5:26 PM. There are no structures or equipment in the area.

Showing 50 of 175