Mining Incidents

Every mining fatality in Idaho

MSHA's accident file records 38 fatalities at mines in Idaho since 1983, listed by year. Each links to its incident record.

2023 1 fatality

April 11, 2023 ID · Metal/Non-Metal miner, nec Fatality · FALL OF ROOF OR BACK
U.S. Silver-Idaho, Inc. · Struck by falling object

Miner was working in the 3200-033 raise. EE was bolting the hanging wall. A large wedge slipped off the wall and pinned the Miner to the foot wall causing fatal crushing injuries.

2021 1 fatality

September 14, 2021 ID · Metal/Non-Metal miner, prospector, nec Fatality · FALLING/SLIDING/ROLLING MATERIALS
Higher ground resources · Caught in, under or between collapsing material or buildings

A visitor to the mine site was in a unauthorized area running a sluice box in a unstable trench when it collapsed and buried them. The trench was tapered and made safe to remove their body.

2019 1 fatality

August 2, 2019 ID · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer Fatality · POWERED HAULAGE
J R Simplot Company · Struck against a moving object

Employee maintaining equipment in mobile fuel truck lost power and brakes moving down a steep grade resulting in over-turned truck.

2017 1 fatality

October 17, 2017 ID · Metal/Non-Metal mine manager, mine foreman, mine owner Fatality · MACHINERY
Fighting Creek Materials Inc · Caught in, under or between a moving and a stationary object

Operator was up on hill pushing overburden down to excavator for feeding crusher. Operator went down a small incline on Cat Dozer and was thrown from the cab.

2014 1 fatality

June 2, 2014 ID · Metal/Non-Metal shaftcrew, shaft repair, skip tender, station tender Fatality · HOISTING
Silver Opportunity Partners LLC · Caught in, under or between a moving and a stationary object

Two shaft repairmen had finished pulling lacing from the pipe compartment, the all clear/tucked in verbal command was given twice with response. The bell signal was transmitted to raise the skip. One miner's fall protection lanyard was accidentally left connected to a shaft anchor. As the skip raised the lanyard remained secured pulling the miner between the skip and shaft timber.

2011 3 fatalities

November 17, 2011 ID · Metal/Non-Metal ledgeman/hand, quarry man Fatality · SLIP OR FALL OF PERSON
Hecla Limited · Caught in, under or between collapsing material or buildings

Two miners working in an underground bin excavation were attempting to level the muckpile by blowing muck down a hole at the brow. They were both tied to retractable fall restraints when the muckpile slid down the repose angle unexpectedly. One employee manually pulled his line and engaged his restraint but the second man was engulfed and suffocated by the finely broken muck.

September 13, 2011 ID · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant Fatality · ELECTRICAL
DeAtley Crushing Co · Contact with electrical current

Co-worker was in the process of shutting down the generators, to do maintenance to the power cables. At that time employee started to unguard the power cables on the switch van out of the vision of co-worker. He refused to have the power checked by two other co-workers. Moments later he was electrocuted.

April 15, 2011 ID · Metal/Non-Metal ledgeman/hand, quarry man Fatality · FALL OF ROOF OR BACK
Hecla Limited · Struck by falling object

A ground/roof fall occurred in the 6150-15 West Stope completely burying an employee under 30 feet of rock.

2010 1 fatality

2002 1 fatality

September 10, 2002 ID · Metal/Non-Metal truck driver Fatality · POWERED HAULAGE
Highland Enterprises Inc · Struck against stationary object

LOST CONTROL OF DUMP TRUCK REASON IS UNKNOWN. LEFT LOADING AREA, WENT DOWN A HILL, COLLIDED WITH A TREE AND TIPPED CAB OF TRUCK OVER ON ITS SIDE.

2001 2 fatalities

2000 1 fatality

August 9, 2000 ID · Metal/Non-Metal forklift operator Fatality · POWERED HAULAGE
Northern Stone Supply Inc · Caught in, under or between (Not Elsewhere Classified)

MAN WAS DRIVING 922B LOADER DOWN A ROAD WITH A STEEP GRADE. FOR UNKNOWN REASON, LOST CONTROL AND THE LOADER TURNED OVER AND THE RAPS SAFETY CAB FAILED AND COLLAPSED CAUSING FATALITY.

1998 2 fatalities

February 13, 1998 ID · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Thompson Creek Mining Company · Struck against a moving object

THE VICTIM WAS OPERATING A VOLVO BM-A30J, 30 TON TRUCK HAULING MILL TAILINGS. HE WAS RETURNING EMPTY DOWN A HAUL ROAD WITH A 20% GRADE AND LOST CONTROL OF THE TRUCK.THE TRUCK RAMMED THROUGH A 7-FOOT HIGH BERM AND DOWN TO AN ACCESS RAMP, APPROXIMATELY 15 FT BELOW. HE HAD COMPLETED EIGHT LOAD CYCLES PRIOR TO THE ACCIDENT. THE VICTIM WAS WEARING A SEAT BELT.

January 27, 1998 ID · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · SLIP OR FALL OF PERSON
Sunshine Precious Metals Inc · Fall down raise, shaft or manway

THREE SHAFT REPAIRMEN WERE IN PROCESS OF TURNING THE ORE SKIP IN PREPARATIOIN TO HOIST WASTE MATERIAL (ROCK). ONE OF TE SKIPS HUNG UP AND EE, VICTIM, FELL DOWN THE SHAFT WHEN HE ATTEMPTED TO FREE IT WITH A BAR.

1997 1 fatality

October 20, 1997 ID · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator Fatality · MACHINERY
Rock-N-Roll Inc · Fall from machine

THE SAFETY RAILING CHAIN PREVENT ENTRY TO THE TOP OF THE JAW WAS UNHOOKED AT TIME OF ACCIDENT. EE FELL INTO THE JAW HEAD FIRST FOR UNKNOWN REASOS. HE WAS NOT WEARING A SAFETY BELT. EE WAS NOT WEARING SAFETY BOOTS BECAUSE HE WAS WORKING INSIDE OF THE SWITCH HOUSE. NO MECHICAL REASON WAS FOUND. THERE WAS NO WITNESS.

1996 1 fatality

September 12, 1996 ID · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · SLIP OR FALL OF PERSON
Silver Valley Resources Corp · Fall down raise, shaft or manway

IT APPEARS THAT THE MINER LEFT HIS SAFE POSITIONAND FELLDOWN THE RAISE. EMP WAS WORKING TO UNPLUG SAND LINE IN 424 RAISE. SLIPPED AND FELL DOWN THE RAISE.

1994 1 fatality

1993 2 fatalities

June 29, 1993 ID · Metal/Non-Metal rodman, surveyor/transit helper Fatality · POWERED HAULAGE
Conda Mining Inc · Struck against a moving object

EMPLOYEE DROVE VEHICLE OFF HIGHWALL FORWARD. FROM START HE DROVE APPROX. 150 FT & OVER & 36 IN BERM FOR NO APPARENT REASON. VERTICAL DROP OF 134 FT. AFTER MSHA INVESTIGALTION, NO CAUSE OR EQUI PMENT FAILURE HAS BEEN DETERMINED. VEHICLE COMPLETELY TOTALED. EMPLOYEE RECEIVED MASSIVE TRAUMA INJURIES TO HEAD & BODY.

February 24, 1993 ID · Metal/Non-Metal outside foreman, leadman Fatality · FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL
J R Simplot Company · Caught in, under or between (Not Elsewhere Classified)

EARTHEN HIGHWALL GAVE WAY SENDING TONS OF MUD & MATERIAL DOWN WHICH BURIED THE SUBURAN UTILITY TRUCK IN WHICH HE WAS SITTING

1992 1 fatality

November 25, 1992 ID · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator Fatality · POWERED HAULAGE
Atlas Sand & Rock Inc · Caught in, under or between a moving and a stationary object

CRANE BOOM TIPPED OVER ON BUCKET. OUTRIGGERS WERE NOT EXTENDED. EMPLOYEE IN BUCKET DIED.

1989 1 fatality

August 22, 1989 ID · Metal/Non-Metal cage/cager/station attendant Fatality · FALLING/SLIDING/ROLLING MATERIALS
Sunshine Precious Metals Inc · Fall to lower level, (Not Elsewhere Classified)

INFLUX OF WATER INTO THE WASTE POCKET 5000 NO 12 SHAFT RESULTED IN A SIGNIFICANT HYDRAULIC HEAD CAGERS PULLED ABOUT 8 TONS OF WASTE FROM THE POCKET SUDDEN VIOLENT RELEASE OF PRESSURE CIRCUMVEN TED ALL CONTROL GATES & DEFLECTORS RUSH OF ROCK & WATER WASHED BOTH CAGERS OUT OF CONTROL AREA INTO THE SHAFT ONE LANDED ON A LOADED SKIP OF WASTE WHICH WAS STOPPED OTHER WENT DOWN SHAFT ABOU

1988 1 fatality

March 7, 1988 ID · Metal/Non-Metal Fatality · SLIP OR FALL OF PERSON
Sunshine Precious Metals Inc · Fall down raise, shaft or manway

VICTIM WANTED TO MEASURE THE CROSS SECTION OF THE TIMBER SLIDE IN THE RAISE MANWAY TO DETERMINE IF A 30 HORSEPOWER ELECTRIC SLUSHER WOULD PASS. HAD PARTNER SPOT TIMBER SKIP AT A POINT 24' BELO W THE 4800 SILL. PROCEEDED TO MAKE MEASUREMENT. PARTNER WAS NOT OBSERVING. A SHORT TIME LATER, PARTNER HEARD A BUMPING SOUND. VICTIM HAD FALLEN ABOUT 50' TO A LANDING IN THE TIMBER SLIDE JUST

1987 2 fatalities

December 16, 1987 ID · Metal/Non-Metal ledgeman/hand, quarry man Fatality · HOISTING
Bunker Hill Mining Company (Us) Inc · Caught in, under or between a moving and a stationary object

SHAFT SINKING B6CKET OVERTURNED OUT OF CRADLE PINNING MINER'S HEAD BETWEEN BUCKET LIP AND RIB.

March 12, 1987 ID · Metal/Non-Metal timberman Fatality · FALL OF ROOF OR BACK
Asarco Inc · Struck by falling object

WHILE THE MINER3AND HIS PARTNER WERE IN THE STOPE, A ROCKBURST OCCURRED, THE ROCKBURST TRIGGERED A GROUND FALL WHICH KNOCKED DOWN, COVERED, AND KILLED THE MINER. APPROX THREE FEET OF MUCK WERE ON TOP OF THE M3NER

1986 1 fatality

March 12, 1986 ID · Metal/Non-Metal ledgeman/hand, quarry man Fatality · FALL OF ROOF OR BACK
Hecla Limited · Struck by falling object

AN OUTBURST OCC6RRED ON THE 4900 LEVEL 105 STOPE RESULTING IN FATAL INJURIES.

1985 5 fatalities

December 4, 1985 ID · Metal/Non-Metal Fatality · FALL OF ROOF OR BACK
Hecla Limited · Struck by flying object

A ROCK OUTBURST3OCCURRED ON 5100 LEVEL 92 RAISE PREP RESULTING IN FATAL INJURIES TO I.NAME FROM FALL-FLYING-ROCK.

November 11, 1985 ID · Metal/Non-Metal superintendent Fatality · FALLING/SLIDING/ROLLING MATERIALS
Hecla Limited · Struck by falling object

A RAISE LINER W9IGHING 60,000 LBS WAS BEING LOWERED IN 4900-5100 ORE PASS.THE LINER WAS SUSPENDED ON 2 WIRE ROPES,EACH 1'' DIA.,GRIPPED BY 4 LUCKER GLAND TYPE DEVICES.SUSPENSION SYSTEM FAILED AND I.NAME WAS3STRUCK BY ONE OF THE WIRE ROPE STORAGE REELS AND WAS FATALLY INJURED.

April 26, 1985 ID · Metal/Non-Metal Fatality · FALL OF ROOF OR BACK
Asarco Inc · Struck by falling object

WHILE A STOPE MINER WAS AT THE FACE OF HIS STOPE A ROCKBURST OCCURED. THE OUTBUST PRESSURE TRIGGERED A FALL OF GROUND TO OCCUR. THE MINER WAS KNOCKED DOWN BY THE FALLING ROCK. THERE WAS APPROX TWO FEET OF MUCK ON TOP OF THE MINER WHICH CAUSED HIS DEATH.

March 28, 1985 ID · Metal/Non-Metal ledgeman/hand, quarry man Fatality · SLIP OR FALL OF PERSON
Hecla Limited · Fall down raise, shaft or manway

I.NAME & I.NAME WERE WORKING ON TOP OF A BULKHEAD WHICH COVERED THE ORE PASS. I.NAME WAS CUTTING 3"X12" PLANK & I.NAME WAS CUTTING STEEL BEAM WITH A TORCH. I.NAME ASKED I.NAME TO GET A CHIPP ING HAMMER, I.NAME WALKED TOWARDS THE TOOL BOX STOPPED ON A PLANK- OR PLANKS- NOT SUPPORTED ON THE ENDS & FELL DOWN THE RISE.

February 21, 1985 ID · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator Fatality · POWERED HAULAGE
Twin Falls Construction Company Inc · Caught in, under or between a moving and a stationary object

OPERATOR ALLOWED LOADER TO RUN BACKWARDS UN-CONTROLLED LOADER OVERTURNED.

1984 5 fatalities

December 14, 1984 ID · Metal/Non-Metal Fatality · POWERED HAULAGE
Hecla Mining Company · Caught in, under or between (Not Elsewhere Classified)

EMPLOYEE WAS OPERATING BATTERY MOTOR ON 5400 LEVEL MAINDRIFT WHEN HE RAN INTO PARKED JUMBO MACHINE CAUSING FATAL INJURIES.

August 29, 1984 ID · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Superior Oil Company · Struck against a moving object

WATER TRUCK DRIVER PROCEEDING DOWN UPPER HAUL ROAD APPX 1/4 MI FROM BOTTOM HE HIT INSIDE BANK AND OVERTURNED.

January 26, 1984 ID · Metal/Non-Metal drill operator Fatality · MACHINERY
Mapco Minerals Corp · Caught in, under or between (Not Elsewhere Classified)

EMPLOYEE GOT OUT OF DRILL AND WALKED AROUND TO HAMMER SIDE TO CLEAN WINDOW OF CAB IT APPEARS THAT EMPLOYEE STEPPED UPON THE DRILL CHUCK TO CLEAN THE UPPER WINDOW OF THE CAB EMPLOYEE MAY HAVE L EANED BUT SOMEHOW HIS COVERALL BECAME ENTANGLED INT HE DRILL STEEL THIS PULLED HIM THROUGH THE SPACE BETWEEN THE STEEL AND THE MAST AND WRAPPED HIS RIGTH ARM AND CHEST AROUND THE STEEL

1983 2 fatalities

October 7, 1983 ID · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman Fatality · SLIP OR FALL OF PERSON
J R Simplot Company · Fall to lower level, (Not Elsewhere Classified)

STEPPED THRU INSULATION FELL 60.8 FEET TO SOLID GROUND

July 7, 1983 ID · Metal/Non-Metal electrician, lineman Fatality · ELECTRICAL
Asarco Inc · Contact with electrical current

THE MAN WAS WORKING ON ELECTRICAL EQUIPMENT IN AN ELECTRICAL SUB STATION ON THE 4900 LEVEL WHEN A WIRE INADVERTENTLY WENT INTO THE SIDE OF AN ELECTRICAL CUTOUT CAUSING MAN TO BE ELECTROCUTED